diff options
Diffstat (limited to 'target/linux/ifxmips/files-2.6.33/drivers/crypto')
15 files changed, 0 insertions, 4719 deletions
diff --git a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/Makefile b/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/Makefile deleted file mode 100755 index f8789d6e9..000000000 --- a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -obj-$(CONFIG_CRYPTO_DEV_IFXMIPS) += ifxmips_deu.o -obj-$(CONFIG_CRYPTO_DEV_IFXMIPS) += ifxmips_deu_danube.o -obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_DES) += ifxmips_des.o -obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_AES) += ifxmips_aes.o -obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_ARC4) += ifxmips_arc4.o -obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1) += ifxmips_sha1.o -obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1_HMAC) += ifxmips_sha1_hmac.o -obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_MD5) += ifxmips_mda5.o -obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_MDA5_HMAC) += ifxmips_mda5_hmac.o diff --git a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_aes.c b/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_aes.c deleted file mode 100755 index aa7d69905..000000000 --- a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_aes.c +++ /dev/null @@ -1,1020 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx DEU driver module -*/ - -/*! - \file ifxmips_aes.c - \ingroup IFX_DEU - \brief AES Encryption Driver main file -*/ - -/*! - \defgroup IFX_AES_FUNCTIONS IFX_AES_FUNCTIONS - \ingroup IFX_DEU - \brief IFX AES driver Functions -*/ - - -/* Project Header Files */ -#include <linux/version.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/crypto.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <asm/byteorder.h> -#include <crypto/algapi.h> -#include "ifxmips_deu.h" - -/* DMA related header and variables */ -#ifdef CONFIG_CRYPTO_DEV_DMA -#include "ifxmips_deu_dma.h" -#include <asm/ifx/irq.h> -#include <asm/ifx/ifx_dma_core.h> -extern _ifx_deu_device ifx_deu[1]; -extern u32 *aes_buff_in; -extern u32 *aes_buff_out; -#ifndef CONFIG_CRYPTO_DEV_POLL_DMA -#define CONFIG_CRYPTO_DEV_POLL_DMA -#endif -#endif /* CONFIG_CRYPTO_DEV_DMA */ - -spinlock_t aes_lock; -#define CRTCL_SECT_INIT spin_lock_init(&aes_lock) -#define CRTCL_SECT_START spin_lock_irqsave(&aes_lock, flag) -#define CRTCL_SECT_END spin_unlock_irqrestore(&aes_lock, flag) - -/* Definition of constants */ -#define AES_START IFX_AES_CON -#define AES_MIN_KEY_SIZE 16 -#define AES_MAX_KEY_SIZE 32 -#define AES_BLOCK_SIZE 16 -#define CTR_RFC3686_NONCE_SIZE 4 -#define CTR_RFC3686_IV_SIZE 8 -#define CTR_RFC3686_MAX_KEY_SIZE (AES_MAX_KEY_SIZE + CTR_RFC3686_NONCE_SIZE) - -/* Function decleration */ -int aes_chip_init(void); -u32 endian_swap(u32 input); -u32 input_swap(u32 input); -u32* memory_alignment(const u8 *arg, u32 *buff_alloc, int in_out, int nbytes); -void aes_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes); -void des_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes); -int aes_memory_allocate(int value); -int des_memory_allocate(int value); -void memory_release(u32 *addr); - -#ifndef CONFIG_CRYPTO_DEV_DMA -extern void ifx_deu_aes (void *ctx_arg, uint8_t *out_arg, const uint8_t *in_arg, - uint8_t *iv_arg, size_t nbytes, int encdec, int mode); -#else -extern void ifx_deu_aes_core (void *ctx_arg, uint8_t *out_arg, const uint8_t *in_arg, - uint8_t *iv_arg, size_t nbytes, int encdec, int mode); -#endif -/* End of function decleration */ - -struct aes_ctx { - int key_length; - u32 buf[AES_MAX_KEY_SIZE]; - u8 nonce[CTR_RFC3686_NONCE_SIZE]; -}; - - -extern int disable_deudma; - - -/*! \fn int aes_set_key (struct crypto_tfm *tfm, const uint8_t *in_key, unsigned int key_len) - * \ingroup IFX_AES_FUNCTIONS - * \brief sets the AES keys - * \param tfm linux crypto algo transform - * \param in_key input key - * \param key_len key lengths of 16, 24 and 32 bytes supported - * \return -EINVAL - bad key length, 0 - SUCCESS -*/ -int aes_set_key (struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len) -{ - struct aes_ctx *ctx = crypto_tfm_ctx(tfm); - u32 *flags = &tfm->crt_flags; - - DPRINTF(0, "ctx @%p, key_len %d\n", ctx, key_len); - - if (key_len != 16 && key_len != 24 && key_len != 32) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; - } - - ctx->key_length = key_len; - memcpy ((u8 *) (ctx->buf), in_key, key_len); - - return 0; -} - - -#ifndef CONFIG_CRYPTO_DEV_DMA -/*! \fn void ifx_deu_aes (void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, size_t nbytes, int encdec, int mode) - * \ingroup IFX_AES_FUNCTIONS - * \brief main interface to AES hardware - * \param ctx_arg crypto algo context - * \param out_arg output bytestream - * \param in_arg input bytestream - * \param iv_arg initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param mode operation mode such as ebc, cbc, ctr - * -*/ -void ifx_deu_aes (void *ctx_arg, u8 *out_arg, const u8 *in_arg, - u8 *iv_arg, size_t nbytes, int encdec, int mode) -#else - -/*! \fn void ifx_deu_aes_core (void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, size_t nbytes, int encdec, int mode) - * \ingroup IFX_AES_FUNCTIONS - * \brief main interface to AES hardware - * \param ctx_arg crypto algo context - * \param out_arg output bytestream - * \param in_arg input bytestream - * \param iv_arg initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param mode operation mode such as ebc, cbc, ctr - * -*/ -void ifx_deu_aes_core (void *ctx_arg, u8 *out_arg, const u8 *in_arg, - u8 *iv_arg, size_t nbytes, int encdec, int mode) -#endif - -{ - /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ - volatile struct aes_t *aes = (volatile struct aes_t *) AES_START; - struct aes_ctx *ctx = (struct aes_ctx *)ctx_arg; - u32 *in_key = ctx->buf; - ulong flag; - /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ - int key_len = ctx->key_length; - -#ifndef CONFIG_CRYPTO_DEV_DMA - int i = 0; - int byte_cnt = nbytes; - -#else - volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; - struct dma_device_info *dma_device = ifx_deu[0].dma_device; - //deu_drv_priv_t *deu_priv = (deu_drv_priv_t *)dma_device->priv; - int wlen = 0; - u32 *outcopy = NULL; - u32 *dword_mem_aligned_in = NULL; - -#ifdef CONFIG_CRYPTO_DEV_POLL_DMA - u32 timeout = 0; - u32 *out_dma = NULL; -#endif - -#endif - - DPRINTF(0, "ctx @%p, mode %d, encdec %d\n", ctx, mode, encdec); - - CRTCL_SECT_START; - - /* 128, 192 or 256 bit key length */ - aes->controlr.K = key_len / 8 - 2; - if (key_len == 128 / 8) { - aes->K3R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 0)); - aes->K2R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 1)); - aes->K1R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 2)); - aes->K0R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 3)); - } - else if (key_len == 192 / 8) { - aes->K5R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 0)); - aes->K4R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 1)); - aes->K3R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 2)); - aes->K2R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 3)); - aes->K1R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 4)); - aes->K0R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 5)); - } - else if (key_len == 256 / 8) { - aes->K7R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 0)); - aes->K6R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 1)); - aes->K5R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 2)); - aes->K4R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 3)); - aes->K3R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 4)); - aes->K2R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 5)); - aes->K1R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 6)); - aes->K0R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 7)); - } - else { - printk (KERN_ERR "[%s %s %d]: Invalid key_len : %d\n", __FILE__, __func__, __LINE__, key_len); - CRTCL_SECT_END; - return;// -EINVAL; - } - - /* let HW pre-process DEcryption key in any case (even if - ENcryption is used). Key Valid (KV) bit is then only - checked in decryption routine! */ - aes->controlr.PNK = 1; - -#ifdef CONFIG_CRYPTO_DEV_DMA - while (aes->controlr.BUS) { - // this will not take long - } - AES_DMA_MISC_CONFIG(); -#endif - - aes->controlr.E_D = !encdec; /* encryption */ - aes->controlr.O = mode; /* 0 ECB 1 CBC 2 OFB 3 CFB 4 CTR */ - aes->controlr.SM = 1; /* start after writing input register */ - aes->controlr.DAU = 0; /* Disable Automatic Update of init vector */ - aes->controlr.ARS = 1; /* Autostart Select - write to IHR */ - - //aes->controlr.F = 128; //default; only for CFB and OFB modes; change only for customer-specific apps - if (mode > 0) { - aes->IV3R = DEU_ENDIAN_SWAP(*(u32 *) iv_arg); - aes->IV2R = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 1)); - aes->IV1R = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 2)); - aes->IV0R = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 3)); - }; - -#ifndef CONFIG_CRYPTO_DEV_DMA - i = 0; - while (byte_cnt >= 16) { - - aes->ID3R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 0)); - aes->ID2R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 1)); - aes->ID1R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 2)); - aes->ID0R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 3)); /* start crypto */ - - while (aes->controlr.BUS) { - // this will not take long - } - - *((volatile u32 *) out_arg + (i * 4) + 0) = aes->OD3R; - *((volatile u32 *) out_arg + (i * 4) + 1) = aes->OD2R; - *((volatile u32 *) out_arg + (i * 4) + 2) = aes->OD1R; - *((volatile u32 *) out_arg + (i * 4) + 3) = aes->OD0R; - - i++; - byte_cnt -= 16; - } - -#else // dma - - /* Prepare Rx buf length used in dma psuedo interrupt */ - //deu_priv->deu_rx_buf = out_arg; - //deu_priv->deu_rx_len = nbytes; - - /* memory alignment issue */ - dword_mem_aligned_in = (u32 *) DEU_DWORD_REORDERING(in_arg, aes_buff_in, BUFFER_IN, nbytes); - - dma->controlr.ALGO = 1; //AES - dma->controlr.BS = 0; - aes->controlr.DAU = 0; - dma->controlr.EN = 1; - - while (aes->controlr.BUS) { - // wait for AES to be ready - }; - - wlen = dma_device_write (dma_device, (u8 *)dword_mem_aligned_in, nbytes, NULL); - if (wlen != nbytes) { - dma->controlr.EN = 0; - CRTCL_SECT_END; - printk (KERN_ERR "[%s %s %d]: dma_device_write fail!\n", __FILE__, __func__, __LINE__); - return; // -EINVAL; - } - - WAIT_AES_DMA_READY(); - -#ifdef CONFIG_CRYPTO_DEV_POLL_DMA - - outcopy = (u32 *) DEU_DWORD_REORDERING(out_arg, aes_buff_out, BUFFER_OUT, nbytes); - - // polling DMA rx channel - while ((dma_device_read (dma_device, (u8 **) &out_dma, NULL)) == 0) { - timeout++; - - if (timeout >= 333000) { - dma->controlr.EN = 0; - CRTCL_SECT_END; - printk (KERN_ERR "[%s %s %d]: timeout!!\n", __FILE__, __func__, __LINE__); - return; // -EINVAL; - } - } - - WAIT_AES_DMA_READY(); - - AES_MEMORY_COPY(outcopy, out_dma, out_arg, nbytes); - -#else // not working at the moment.. - CRTCL_SECT_END; - - /* Sleep and wait for Rx finished */ - DEU_WAIT_EVENT(deu_priv->deu_thread_wait, DEU_EVENT, deu_priv->deu_event_flags); - - CRTCL_SECT_START; -#endif - -#endif // dma - - //tc.chen : copy iv_arg back - if (mode > 0) { - *((u32 *) iv_arg) = DEU_ENDIAN_SWAP(*((u32 *) iv_arg)); - *((u32 *) iv_arg + 1) = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 1)); - *((u32 *) iv_arg + 2) = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 2)); - *((u32 *) iv_arg + 3) = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 3)); - } - - CRTCL_SECT_END; -} - -/*! - * \fn int ctr_rfc3686_aes_set_key (struct crypto_tfm *tfm, const uint8_t *in_key, unsigned int key_len) - * \ingroup IFX_AES_FUNCTIONS - * \brief sets RFC3686 key - * \param tfm linux crypto algo transform - * \param in_key input key - * \param key_len key lengths of 20, 28 and 36 bytes supported; last 4 bytes is nonce - * \return 0 - SUCCESS - * -EINVAL - bad key length -*/ -int ctr_rfc3686_aes_set_key (struct crypto_tfm *tfm, const uint8_t *in_key, unsigned int key_len) -{ - struct aes_ctx *ctx = crypto_tfm_ctx(tfm); - u32 *flags = &tfm->crt_flags; - - printk("ctr_rfc3686_aes_set_key in %s\n", __FILE__); - - memcpy(ctx->nonce, in_key + (key_len - CTR_RFC3686_NONCE_SIZE), - CTR_RFC3686_NONCE_SIZE); - - key_len -= CTR_RFC3686_NONCE_SIZE; // remove 4 bytes of nonce - - if (key_len != 16 && key_len != 24 && key_len != 32) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; - } - - ctx->key_length = key_len; - - memcpy ((u8 *) (ctx->buf), in_key, key_len); - - return 0; -} - -/*! \fn void ifx_deu_aes (void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode) - * \ingroup IFX_AES_FUNCTIONS - * \brief main interface with deu hardware in DMA mode - * \param ctx_arg crypto algo context - * \param out_arg output bytestream - * \param in_arg input bytestream - * \param iv_arg initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param mode operation mode such as ebc, cbc, ctr -*/ - -#ifdef CONFIG_CRYPTO_DEV_DMA -void ifx_deu_aes (void *ctx_arg, u8 * out_arg, const u8 * in_arg, - u8 * iv_arg, u32 nbytes, int encdec, int mode) -{ - u32 remain = nbytes; - u32 inc; - - while (remain > 0) - { - if (remain >= DEU_MAX_PACKET_SIZE) - { - inc = DEU_MAX_PACKET_SIZE; - } - else - { - inc = remain; - } - - remain -= inc; - - ifx_deu_aes_core(ctx_arg, out_arg, in_arg, iv_arg, inc, encdec, mode); - - out_arg += inc; - in_arg += inc; - } - -} -#endif - -//definitions from linux/include/crypto.h: -//#define CRYPTO_TFM_MODE_ECB 0x00000001 -//#define CRYPTO_TFM_MODE_CBC 0x00000002 -//#define CRYPTO_TFM_MODE_CFB 0x00000004 -//#define CRYPTO_TFM_MODE_CTR 0x00000008 -//#define CRYPTO_TFM_MODE_OFB 0x00000010 // not even defined -//but hardware definition: 0 ECB 1 CBC 2 OFB 3 CFB 4 CTR - -/*! \fn void ifx_deu_aes_ecb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - * \ingroup IFX_AES_FUNCTIONS - * \brief sets AES hardware to ECB mode - * \param ctx crypto algo context - * \param dst output bytestream - * \param src input bytestream - * \param iv initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param inplace not used -*/ -void ifx_deu_aes_ecb (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - ifx_deu_aes (ctx, dst, src, NULL, nbytes, encdec, 0); -} - -/*! \fn void ifx_deu_aes_cbc (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - * \ingroup IFX_AES_FUNCTIONS - * \brief sets AES hardware to CBC mode - * \param ctx crypto algo context - * \param dst output bytestream - * \param src input bytestream - * \param iv initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param inplace not used -*/ -void ifx_deu_aes_cbc (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - ifx_deu_aes (ctx, dst, src, iv, nbytes, encdec, 1); -} - -/*! \fn void ifx_deu_aes_ofb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - * \ingroup IFX_AES_FUNCTIONS - * \brief sets AES hardware to OFB mode - * \param ctx crypto algo context - * \param dst output bytestream - * \param src input bytestream - * \param iv initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param inplace not used -*/ -void ifx_deu_aes_ofb (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - ifx_deu_aes (ctx, dst, src, iv, nbytes, encdec, 2); -} - -/*! \fn void ifx_deu_aes_cfb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - * \ingroup IFX_AES_FUNCTIONS - * \brief sets AES hardware to CFB mode - * \param ctx crypto algo context - * \param dst output bytestream - * \param src input bytestream - * \param iv initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param inplace not used -*/ -void ifx_deu_aes_cfb (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - ifx_deu_aes (ctx, dst, src, iv, nbytes, encdec, 3); -} - -/*! \fn void ifx_deu_aes_ctr (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - * \ingroup IFX_AES_FUNCTIONS - * \brief sets AES hardware to CTR mode - * \param ctx crypto algo context - * \param dst output bytestream - * \param src input bytestream - * \param iv initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param inplace not used -*/ -void ifx_deu_aes_ctr (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - ifx_deu_aes (ctx, dst, src, iv, nbytes, encdec, 4); -} - -/*! \fn void aes_encrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in) - * \ingroup IFX_AES_FUNCTIONS - * \brief encrypt AES_BLOCK_SIZE of data - * \param tfm linux crypto algo transform - * \param out output bytestream - * \param in input bytestream -*/ -void aes_encrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in) -{ - struct aes_ctx *ctx = crypto_tfm_ctx(tfm); - ifx_deu_aes (ctx, out, in, NULL, AES_BLOCK_SIZE, - CRYPTO_DIR_ENCRYPT, 0); - -} - -/*! \fn void aes_decrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in) - * \ingroup IFX_AES_FUNCTIONS - * \brief decrypt AES_BLOCK_SIZE of data - * \param tfm linux crypto algo transform - * \param out output bytestream - * \param in input bytestream -*/ -void aes_decrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in) -{ - struct aes_ctx *ctx = crypto_tfm_ctx(tfm); - ifx_deu_aes (ctx, out, in, NULL, AES_BLOCK_SIZE, - CRYPTO_DIR_DECRYPT, 0); -} - -/* - * \brief AES function mappings -*/ -struct crypto_alg ifxdeu_aes_alg = { - .cra_name = "aes", - .cra_driver_name = "ifxdeu-aes", - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct aes_ctx), - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_aes_alg.cra_list), - .cra_u = { - .cipher = { - .cia_min_keysize = AES_MIN_KEY_SIZE, - .cia_max_keysize = AES_MAX_KEY_SIZE, - .cia_setkey = aes_set_key, - .cia_encrypt = aes_encrypt, - .cia_decrypt = aes_decrypt, - } - } -}; - -/*! \fn int ecb_aes_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_AES_FUNCTIONS - * \brief ECB AES encrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int ecb_aes_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - nbytes -= (nbytes % AES_BLOCK_SIZE); - ifx_deu_aes_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, - NULL, nbytes, CRYPTO_DIR_ENCRYPT, 0); - nbytes &= AES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/*! \fn int ecb_aes_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_AES_FUNCTIONS - * \brief ECB AES decrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int ecb_aes_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - nbytes -= (nbytes % AES_BLOCK_SIZE); - ifx_deu_aes_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, - NULL, nbytes, CRYPTO_DIR_DECRYPT, 0); - nbytes &= AES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/* - * \brief AES function mappings -*/ -struct crypto_alg ifxdeu_ecb_aes_alg = { - .cra_name = "ecb(aes)", - .cra_driver_name = "ifxdeu-ecb(aes)", - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct aes_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_ecb_aes_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .setkey = aes_set_key, - .encrypt = ecb_aes_encrypt, - .decrypt = ecb_aes_decrypt, - } - } -}; - - -/*! \fn int cbc_aes_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_AES_FUNCTIONS - * \brief CBC AES encrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int cbc_aes_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - u8 *iv = walk.iv; - nbytes -= (nbytes % AES_BLOCK_SIZE); - ifx_deu_aes_cbc(ctx, walk.dst.virt.addr, walk.src.virt.addr, - iv, nbytes, CRYPTO_DIR_ENCRYPT, 0); - nbytes &= AES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/*! \fn int cbc_aes_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_AES_FUNCTIONS - * \brief CBC AES decrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int cbc_aes_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - u8 *iv = walk.iv; - nbytes -= (nbytes % AES_BLOCK_SIZE); - ifx_deu_aes_cbc(ctx, walk.dst.virt.addr, walk.src.virt.addr, - iv, nbytes, CRYPTO_DIR_DECRYPT, 0); - nbytes &= AES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/* - * \brief AES function mappings -*/ -struct crypto_alg ifxdeu_cbc_aes_alg = { - .cra_name = "cbc(aes)", - .cra_driver_name = "ifxdeu-cbc(aes)", - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct aes_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_cbc_aes_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, - .setkey = aes_set_key, - .encrypt = cbc_aes_encrypt, - .decrypt = cbc_aes_decrypt, - } - } -}; - - -/*! \fn int ctr_basic_aes_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_AES_FUNCTIONS - * \brief Counter mode AES encrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int ctr_basic_aes_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - u8 *iv = walk.iv; - nbytes -= (nbytes % AES_BLOCK_SIZE); - ifx_deu_aes_ctr(ctx, walk.dst.virt.addr, walk.src.virt.addr, - iv, nbytes, CRYPTO_DIR_ENCRYPT, 0); - nbytes &= AES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/*! \fn int ctr_basic_aes_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_AES_FUNCTIONS - * \brief Counter mode AES decrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int ctr_basic_aes_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - u8 *iv = walk.iv; - nbytes -= (nbytes % AES_BLOCK_SIZE); - ifx_deu_aes_ctr(ctx, walk.dst.virt.addr, walk.src.virt.addr, - iv, nbytes, CRYPTO_DIR_DECRYPT, 0); - nbytes &= AES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/* - * \brief AES function mappings -*/ -struct crypto_alg ifxdeu_ctr_basic_aes_alg = { - .cra_name = "ctr(aes)", - .cra_driver_name = "ifxdeu-ctr(aes)", - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct aes_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_ctr_basic_aes_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, - .setkey = aes_set_key, - .encrypt = ctr_basic_aes_encrypt, - .decrypt = ctr_basic_aes_decrypt, - } - } -}; - - -/*! \fn int ctr_rfc3686_aes_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_AES_FUNCTIONS - * \brief Counter mode AES (rfc3686) encrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int ctr_rfc3686_aes_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - u8 rfc3686_iv[16]; - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - /* set up counter block */ - memcpy(rfc3686_iv, ctx->nonce, CTR_RFC3686_NONCE_SIZE); - memcpy(rfc3686_iv + CTR_RFC3686_NONCE_SIZE, walk.iv, CTR_RFC3686_IV_SIZE); - - /* initialize counter portion of counter block */ - *(__be32 *)(rfc3686_iv + CTR_RFC3686_NONCE_SIZE + CTR_RFC3686_IV_SIZE) = - cpu_to_be32(1); - - while ((nbytes = walk.nbytes)) { - nbytes -= (nbytes % AES_BLOCK_SIZE); - ifx_deu_aes_ctr(ctx, walk.dst.virt.addr, walk.src.virt.addr, - rfc3686_iv, nbytes, CRYPTO_DIR_ENCRYPT, 0); - nbytes &= AES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/*! \fn int ctr_rfc3686_aes_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_AES_FUNCTIONS - * \brief Counter mode AES (rfc3686) decrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int ctr_rfc3686_aes_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - u8 rfc3686_iv[16]; - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - /* set up counter block */ - memcpy(rfc3686_iv, ctx->nonce, CTR_RFC3686_NONCE_SIZE); - memcpy(rfc3686_iv + CTR_RFC3686_NONCE_SIZE, walk.iv, CTR_RFC3686_IV_SIZE); - - /* initialize counter portion of counter block */ - *(__be32 *)(rfc3686_iv + CTR_RFC3686_NONCE_SIZE + CTR_RFC3686_IV_SIZE) = - cpu_to_be32(1); - - while ((nbytes = walk.nbytes)) { - nbytes -= (nbytes % AES_BLOCK_SIZE); - ifx_deu_aes_ctr(ctx, walk.dst.virt.addr, walk.src.virt.addr, - rfc3686_iv, nbytes, CRYPTO_DIR_DECRYPT, 0); - nbytes &= AES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/* - * \brief AES function mappings -*/ -struct crypto_alg ifxdeu_ctr_rfc3686_aes_alg = { - .cra_name = "rfc3686(ctr(aes))", - .cra_driver_name = "ifxdeu-ctr-rfc3686(aes)", - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct aes_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_ctr_rfc3686_aes_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = CTR_RFC3686_MAX_KEY_SIZE, - .ivsize = CTR_RFC3686_IV_SIZE, - .setkey = ctr_rfc3686_aes_set_key, - .encrypt = ctr_rfc3686_aes_encrypt, - .decrypt = ctr_rfc3686_aes_decrypt, - } - } -}; - - -/*! \fn int __init ifxdeu_init_aes (void) - * \ingroup IFX_AES_FUNCTIONS - * \brief function to initialize AES driver - * \return ret -*/ -int __init ifxdeu_init_aes (void) -{ - int ret; - - if ((ret = crypto_register_alg(&ifxdeu_aes_alg))) - goto aes_err; - - if ((ret = crypto_register_alg(&ifxdeu_ecb_aes_alg))) - goto ecb_aes_err; - - if ((ret = crypto_register_alg(&ifxdeu_cbc_aes_alg))) - goto cbc_aes_err; - - if ((ret = crypto_register_alg(&ifxdeu_ctr_basic_aes_alg))) - goto ctr_basic_aes_err; - - if ((ret = crypto_register_alg(&ifxdeu_ctr_rfc3686_aes_alg))) - goto ctr_rfc3686_aes_err; - - aes_chip_init (); - - CRTCL_SECT_INIT; - -#ifdef CONFIG_CRYPTO_DEV_DMA - if (ALLOCATE_MEMORY(BUFFER_IN, AES_ALGO) < 0) { - printk(KERN_ERR "[%s %s %d]: malloc memory fail!\n", __FILE__, __func__, __LINE__); - goto ctr_rfc3686_aes_err; - } - if (ALLOCATE_MEMORY(BUFFER_OUT, AES_ALGO) < 0) { - printk(KERN_ERR "[%s %s %d]: malloc memory fail!\n", __FILE__, __func__, __LINE__); - goto ctr_rfc3686_aes_err; - } -#endif - - printk (KERN_NOTICE "IFX DEU AES initialized %s.\n", disable_deudma ? "" : " (DMA)"); - return ret; - -ctr_rfc3686_aes_err: - crypto_unregister_alg(&ifxdeu_ctr_rfc3686_aes_alg); - printk (KERN_ERR "IFX ctr_rfc3686_aes initialization failed!\n"); - return ret; -ctr_basic_aes_err: - crypto_unregister_alg(&ifxdeu_ctr_basic_aes_alg); - printk (KERN_ERR "IFX ctr_basic_aes initialization failed!\n"); - return ret; -cbc_aes_err: - crypto_unregister_alg(&ifxdeu_cbc_aes_alg); - printk (KERN_ERR "IFX cbc_aes initialization failed!\n"); - return ret; -ecb_aes_err: - crypto_unregister_alg(&ifxdeu_ecb_aes_alg); - printk (KERN_ERR "IFX aes initialization failed!\n"); - return ret; -aes_err: - printk(KERN_ERR "IFX DEU AES initialization failed!\n"); - return ret; -} - -/*! \fn void __exit ifxdeu_fini_aes (void) - * \ingroup IFX_AES_FUNCTIONS - * \brief unregister aes driver -*/ -void __exit ifxdeu_fini_aes (void) -{ - crypto_unregister_alg (&ifxdeu_aes_alg); - crypto_unregister_alg (&ifxdeu_ecb_aes_alg); - crypto_unregister_alg (&ifxdeu_cbc_aes_alg); - crypto_unregister_alg (&ifxdeu_ctr_basic_aes_alg); - crypto_unregister_alg (&ifxdeu_ctr_rfc3686_aes_alg); - -#ifdef CONFIG_CRYPTO_DEV_DMA - FREE_MEMORY(aes_buff_in); - FREE_MEMORY(aes_buff_out); -#endif - -} - diff --git a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_arc4.c b/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_arc4.c deleted file mode 100755 index b33a19de9..000000000 --- a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_arc4.c +++ /dev/null @@ -1,388 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_arc4.c - \ingroup IFX_DEU - \brief ARC4 encryption DEU driver file -*/ - -/*! - \defgroup IFX_ARC4_FUNCTIONS IFX_ARC4_FUNCTIONS - \ingroup IFX_DEU - \brief IFX deu driver functions -*/ - -/* Project header */ -#include <linux/version.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/crypto.h> -#include <crypto/algapi.h> -#include <linux/interrupt.h> -#include <asm/byteorder.h> -#include <linux/delay.h> -#include "ifxmips_deu.h" - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA - -static spinlock_t lock; -#define CRTCL_SECT_INIT spin_lock_init(&lock) -#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) -#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) - -/* Preprocessor declerations */ -#define ARC4_MIN_KEY_SIZE 1 -//#define ARC4_MAX_KEY_SIZE 256 -#define ARC4_MAX_KEY_SIZE 16 -#define ARC4_BLOCK_SIZE 1 -#define ARC4_START IFX_ARC4_CON - -/* - * \brief arc4 private structure -*/ -struct arc4_ctx { - int key_length; - u8 buf[120]; -}; - -extern int disable_deudma; - -/*! \fn static void _deu_arc4 (void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode) - \ingroup IFX_ARC4_FUNCTIONS - \brief main interface to AES hardware - \param ctx_arg crypto algo context - \param out_arg output bytestream - \param in_arg input bytestream - \param iv_arg initialization vector - \param nbytes length of bytestream - \param encdec 1 for encrypt; 0 for decrypt - \param mode operation mode such as ebc, cbc, ctr -*/ -static void _deu_arc4 (void *ctx_arg, u8 *out_arg, const u8 *in_arg, - u8 *iv_arg, u32 nbytes, int encdec, int mode) -{ - volatile struct arc4_t *arc4 = (struct arc4_t *) ARC4_START; - int i = 0; - ulong flag; - -#if 1 // need to handle nbytes not multiple of 16 - volatile u32 tmp_array32[4]; - volatile u8 *tmp_ptr8; - int remaining_bytes, j; -#endif - - CRTCL_SECT_START; - - arc4->IDLEN = nbytes; - -#if 1 - while (i < nbytes) { - arc4->ID3R = *((u32 *) in_arg + (i>>2) + 0); - arc4->ID2R = *((u32 *) in_arg + (i>>2) + 1); - arc4->ID1R = *((u32 *) in_arg + (i>>2) + 2); - arc4->ID0R = *((u32 *) in_arg + (i>>2) + 3); - - arc4->controlr.GO = 1; - - while (arc4->controlr.BUS) { - // this will not take long - } - -#if 1 - // need to handle nbytes not multiple of 16 - tmp_array32[0] = arc4->OD3R; - tmp_array32[1] = arc4->OD2R; - tmp_array32[2] = arc4->OD1R; - tmp_array32[3] = arc4->OD0R; - - remaining_bytes = nbytes - i; - if (remaining_bytes > 16) - remaining_bytes = 16; - - tmp_ptr8 = (u8 *)&tmp_array32[0]; - for (j = 0; j < remaining_bytes; j++) - *out_arg++ = *tmp_ptr8++; -#else - *((u32 *) out_arg + (i>>2) + 0) = arc4->OD3R; - *((u32 *) out_arg + (i>>2) + 1) = arc4->OD2R; - *((u32 *) out_arg + (i>>2) + 2) = arc4->OD1R; - *((u32 *) out_arg + (i>>2) + 3) = arc4->OD0R; -#endif - - i += 16; - } -#else // dma - - -#endif // dma - - CRTCL_SECT_END; -} - -/*! \fn arc4_chip_init (void) - \ingroup IFX_ARC4_FUNCTIONS - \brief initialize arc4 hardware -*/ -static void arc4_chip_init (void) -{ - //do nothing -} - -/*! \fn static int arc4_set_key(struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len) - \ingroup IFX_ARC4_FUNCTIONS - \brief sets ARC4 key - \param tfm linux crypto algo transform - \param in_key input key - \param key_len key lengths less than or equal to 16 bytes supported -*/ -static int arc4_set_key(struct crypto_tfm *tfm, const u8 *inkey, - unsigned int key_len) -{ - //struct arc4_ctx *ctx = crypto_tfm_ctx(tfm); - volatile struct arc4_t *arc4 = (struct arc4_t *) ARC4_START; - - u32 *in_key = (u32 *)inkey; - - // must program all bits at one go?!!! -#if 1 -//#ifndef CONFIG_CRYPTO_DEV_VR9_DMA - *IFX_ARC4_CON = ( (1<<31) | ((key_len - 1)<<27) | (1<<26) | (3<<16) ); - //NDC=1,ENDI=1,GO=0,KSAE=1,SM=0 - - arc4->K3R = *((u32 *) in_key + 0); - arc4->K2R = *((u32 *) in_key + 1); - arc4->K1R = *((u32 *) in_key + 2); - arc4->K0R = *((u32 *) in_key + 3); -#else //dma - *AMAZONS_ARC4_CON = ( (1<<31) | ((key_len - 1)<<27) | (1<<26) | (3<<16) | (1<<4) ); - //NDC=1,ENDI=1,GO=0,KSAE=1,SM=1 - - arc4->K3R = *((u32 *) in_key + 0); - arc4->K2R = *((u32 *) in_key + 1); - arc4->K1R = *((u32 *) in_key + 2); - arc4->K0R = *((u32 *) in_key + 3); - -#if 0 - arc4->K3R = endian_swap(*((u32 *) in_key + 0)); - arc4->K2R = endian_swap(*((u32 *) in_key + 1)); - arc4->K1R = endian_swap(*((u32 *) in_key + 2)); - arc4->K0R = endian_swap(*((u32 *) in_key + 3)); -#endif - -#endif - -#if 0 // arc4 is a ugly state machine, KSAE can only be set once per session - ctx->key_length = key_len; - - memcpy ((u8 *) (ctx->buf), in_key, key_len); -#endif - - return 0; -} - -/*! \fn static void _deu_arc4_ecb(void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - \ingroup IFX_ARC4_FUNCTIONS - \brief sets ARC4 hardware to ECB mode - \param ctx crypto algo context - \param dst output bytestream - \param src input bytestream - \param iv initialization vector - \param nbytes length of bytestream - \param encdec 1 for encrypt; 0 for decrypt - \param inplace not used -*/ -static void _deu_arc4_ecb(void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - _deu_arc4 (ctx, dst, src, NULL, nbytes, encdec, 0); -} - -/*! \fn static void arc4_crypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) - \ingroup IFX_ARC4_FUNCTIONS - \brief encrypt/decrypt ARC4_BLOCK_SIZE of data - \param tfm linux crypto algo transform - \param out output bytestream - \param in input bytestream -*/ -static void arc4_crypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) -{ - struct arc4_ctx *ctx = crypto_tfm_ctx(tfm); - - _deu_arc4 (ctx, out, in, NULL, ARC4_BLOCK_SIZE, - CRYPTO_DIR_DECRYPT, CRYPTO_TFM_MODE_ECB); - -} - -/* - * \brief ARC4 function mappings -*/ -static struct crypto_alg ifxdeu_arc4_alg = { - .cra_name = "arc4", - .cra_driver_name = "ifxdeu-arc4", - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, - .cra_blocksize = ARC4_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct arc4_ctx), - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_arc4_alg.cra_list), - .cra_u = { - .cipher = { - .cia_min_keysize = ARC4_MIN_KEY_SIZE, - .cia_max_keysize = ARC4_MAX_KEY_SIZE, - .cia_setkey = arc4_set_key, - .cia_encrypt = arc4_crypt, - .cia_decrypt = arc4_crypt, - } - } -}; - -/*! \fn static int ecb_arc4_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - \ingroup IFX_ARC4_FUNCTIONS - \brief ECB ARC4 encrypt using linux crypto blkcipher - \param desc blkcipher descriptor - \param dst output scatterlist - \param src input scatterlist - \param nbytes data size in bytes -*/ -static int ecb_arc4_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct arc4_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - DPRINTF(1, "\n"); - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - _deu_arc4_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, - NULL, nbytes, CRYPTO_DIR_ENCRYPT, 0); - nbytes &= ARC4_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/*! \fn static int ecb_arc4_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - \ingroup IFX_ARC4_FUNCTIONS - \brief ECB ARC4 decrypt using linux crypto blkcipher - \param desc blkcipher descriptor - \param dst output scatterlist - \param src input scatterlist - \param nbytes data size in bytes -*/ -static int ecb_arc4_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct arc4_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - DPRINTF(1, "\n"); - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - _deu_arc4_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, - NULL, nbytes, CRYPTO_DIR_DECRYPT, 0); - nbytes &= ARC4_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/* - * \brief ARC4 function mappings -*/ -static struct crypto_alg ifxdeu_ecb_arc4_alg = { - .cra_name = "ecb(arc4)", - .cra_driver_name = "ifxdeu-ecb(arc4)", - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = ARC4_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct arc4_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_ecb_arc4_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = ARC4_MIN_KEY_SIZE, - .max_keysize = ARC4_MAX_KEY_SIZE, - .setkey = arc4_set_key, - .encrypt = ecb_arc4_encrypt, - .decrypt = ecb_arc4_decrypt, - } - } -}; - -/*! \fn int __init ifxdeu_init_arc4(void) - \ingroup IFX_ARC4_FUNCTIONS - \brief initialize arc4 driver -*/ -int __init ifxdeu_init_arc4(void) -{ - int ret; - - if ((ret = crypto_register_alg(&ifxdeu_arc4_alg))) - goto arc4_err; - - if ((ret = crypto_register_alg(&ifxdeu_ecb_arc4_alg))) - goto ecb_arc4_err; - - arc4_chip_init (); - - CRTCL_SECT_INIT; - - printk (KERN_NOTICE "IFX DEU ARC4 initialized %s.\n", disable_deudma ? "" : " (DMA)"); - return ret; - -arc4_err: - crypto_unregister_alg(&ifxdeu_arc4_alg); - printk(KERN_ERR "IFX arc4 initialization failed!\n"); - return ret; -ecb_arc4_err: - crypto_unregister_alg(&ifxdeu_ecb_arc4_alg); - printk (KERN_ERR "IFX ecb_arc4 initialization failed!\n"); - return ret; - -} - -/*! \fn void __exit ifxdeu_fini_arc4(void) - \ingroup IFX_ARC4_FUNCTIONS - \brief unregister arc4 driver -*/ -void __exit ifxdeu_fini_arc4(void) -{ - crypto_unregister_alg (&ifxdeu_arc4_alg); - crypto_unregister_alg (&ifxdeu_ecb_arc4_alg); -} - -#endif diff --git a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_arc4.h b/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_arc4.h deleted file mode 100755 index 8cd768d2c..000000000 --- a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_arc4.h +++ /dev/null @@ -1,59 +0,0 @@ -#ifndef IFXMIPS_ARC4_H -#define IFXMIPS_ARC4_H - -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver file -*/ - -/*! - \defgroup IFX_DEU_DEFINITIONS IFX_DEU_DRIVERS - \ingroup IFX_DEU - \brief ifx deu definitions -*/ - -/*! - \file ifxmips_arc4.h - \brief ARC4 DEU header driver file -*/ - - - -#define ARC4_START IFX_ARC4_CON - -#ifdef CONFIG_CRYPTO_DEV_ARC4_AR9 -#include "ifxmips_deu_structs_ar9.h" -#endif -#ifdef CONFIG_CRYPTO_DEV_DMA_AR9 -#include "ifxmips_deu_structs_ar9.h" -#endif - -#ifdef CONFIG_CRYPTO_DEV_ARC4_VR9 -#include "ifxmips_deu_structs_vr9.h" -#endif -#ifdef CONFIG_CRYPTO_DEV_DMA_VR9 -#include "ifxmips_deu_structs_vr9.h" -#include <asm/ifx/irq.h> -#endif - -#endif /* IFXMIPS_ARC4_H */ diff --git a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_des.c b/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_des.c deleted file mode 100755 index ffceb2868..000000000 --- a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_des.c +++ /dev/null @@ -1,893 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver -*/ - -/*! - \file ifxmips_des.c - \ingroup IFX_DEU - \brief DES encryption DEU driver file -*/ - -/*! - \defgroup IFX_DES_FUNCTIONS IFX_DES_FUNCTIONS - \ingroup IFX_DEU - \brief IFX DES Encryption functions -*/ - -/* Project Header Files */ -#include <linux/version.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/crypto.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <asm/byteorder.h> -#include <crypto/algapi.h> -#include "ifxmips_deu.h" - -/* DMA specific header and variables */ -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA -#include "ifxmips_deu_dma.h" -#include <asm/ifx/irq.h> -#include <asm/ifx/ifx_dma_core.h> -extern _ifx_deu_device ifx_deu[1]; -extern u32 *des_buff_in; -extern u32 *des_buff_out; -#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA -#define CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA -#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA */ -#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA */ - -spinlock_t des_lock; -#define CRTCL_SECT_INIT spin_lock_init(&des_lock) -#define CRTCL_SECT_START spin_lock_irqsave(&des_lock, flag) -#define CRTCL_SECT_END spin_unlock_irqrestore(&des_lock, flag) - -/* Preprocessor declarations */ -#define DES_3DES_START IFX_DES_CON -#define DES_KEY_SIZE 8 -#define DES_EXPKEY_WORDS 32 -#define DES_BLOCK_SIZE 8 -#define DES3_EDE_KEY_SIZE (3 * DES_KEY_SIZE) -#define DES3_EDE_EXPKEY_WORDS (3 * DES_EXPKEY_WORDS) -#define DES3_EDE_BLOCK_SIZE DES_BLOCK_SIZE - -/* Function Declaration to prevent warning messages */ -void des_chip_init (void); -u32 endian_swap(u32 input); -u32 input_swap(u32 input); -int aes_memory_allocate(int value); -int des_memory_allocate(int value); -void memory_release(u32 *buffer); -u32* memory_alignment(const u8 *arg, u32 *buff_alloc, int in_out, int nbytes); -void aes_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes); -void des_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes); - -#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA -void ifx_deu_des (void *ctx_arg, u8 *out_arg, const u8 *in_arg, - u8 *iv_arg, u32 nbytes, int encdec, int mode); -#else -void ifx_deu_des_core (void *ctx_arg, u8 *out_arg, const u8 *in_arg, - u8 *iv_arg, u32 nbytes, int encdec, int mode); -#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA */ - -struct des_ctx { - int controlr_M; - int key_length; - u8 iv[DES_BLOCK_SIZE]; - u32 expkey[DES3_EDE_EXPKEY_WORDS]; -}; - -extern int disable_deudma; - -/*! \fn int des_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int key_len) - * \ingroup IFX_DES_FUNCTIONS - * \brief sets DES key - * \param tfm linux crypto algo transform - * \param key input key - * \param key_len key length -*/ -int des_setkey(struct crypto_tfm *tfm, const u8 *key, - unsigned int key_len) -{ - struct des_ctx *ctx = crypto_tfm_ctx(tfm); - - DPRINTF(0, "ctx @%p, key_len %d %d\n", ctx, key_len); - - ctx->controlr_M = 0; /* des */ - ctx->key_length = key_len; - - memcpy ((u8 *) (ctx->expkey), key, key_len); - - return 0; -} - -#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA -/*! \fn void ifx_deu_des(void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode) - * \ingroup IFX_DES_FUNCTIONS - * \brief main interface to DES hardware - * \param ctx_arg crypto algo context - * \param out_arg output bytestream - * \param in_arg input bytestream - * \param iv_arg initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param mode operation mode such as ebc, cbc -*/ - -void ifx_deu_des (void *ctx_arg, u8 *out_arg, const u8 *in_arg, - u8 *iv_arg, u32 nbytes, int encdec, int mode) -#else -/*! \fn void ifx_deu_des_core(void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode) - * \ingroup IFX_DES_FUNCTIONS - * \brief main interface to DES hardware - * \param ctx_arg crypto algo context - * \param out_arg output bytestream - * \param in_arg input bytestream - * \param iv_arg initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param mode operation mode such as ebc, cbc -*/ - -void ifx_deu_des_core (void *ctx_arg, u8 *out_arg, const u8 *in_arg, - u8 *iv_arg, u32 nbytes, int encdec, int mode) -#endif -{ - volatile struct des_t *des = (struct des_t *) DES_3DES_START; - struct des_ctx *dctx = ctx_arg; - u32 *key = dctx->expkey; - ulong flag; - -#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA - int i = 0; - int nblocks = 0; -#else - volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; - struct dma_device_info *dma_device = ifx_deu[0].dma_device; - //deu_drv_priv_t *deu_priv = (deu_drv_priv_t *)dma_device->priv; - int wlen = 0; - u32 *outcopy = NULL; - u32 *dword_mem_aligned_in = NULL; - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA - u32 timeout = 0; - u32 *out_dma = NULL; -#endif - -#endif - - DPRINTF(0, "ctx @%p, mode %d, encdec %d\n", dctx, mode, encdec); - - CRTCL_SECT_START; - - des->controlr.E_D = !encdec; /* encryption */ - des->controlr.O = mode; /* 0 ECB, 1 CBC, 2 OFB, 3 CFB, 4 CTR */ - des->controlr.SM = 1; /* start after writing input register */ - des->controlr.DAU = 0; /* Disable Automatic Update of init vector */ - des->controlr.ARS = 1; /* Autostart Select - write to IHR */ - - des->controlr.M = dctx->controlr_M; - /* write keys */ - if (dctx->controlr_M == 0) { - /* DES mode */ - des->K1HR = DEU_ENDIAN_SWAP(*((u32 *) key + 0)); - des->K1LR = DEU_ENDIAN_SWAP(*((u32 *) key + 1)); -#ifdef CRYPTO_DEBUG - printk ("key1: %x\n", (*((u32 *) key + 0))); - printk ("key2: %x\n", (*((u32 *) key + 1))); -#endif - } else { - /* 3DES mode (EDE-x) */ - switch (dctx->key_length) { - case 24: - des->K3HR = DEU_ENDIAN_SWAP(*((u32 *) key + 4)); - des->K3LR = DEU_ENDIAN_SWAP(*((u32 *) key + 5)); - /* no break; */ - case 16: - des->K2HR = DEU_ENDIAN_SWAP(*((u32 *) key + 2)); - des->K2LR = DEU_ENDIAN_SWAP(*((u32 *) key + 3)); - /* no break; */ - case 8: - des->K1HR = DEU_ENDIAN_SWAP(*((u32 *) key + 0)); - des->K1LR = DEU_ENDIAN_SWAP(*((u32 *) key + 1)); - break; - default: - CRTCL_SECT_END; - return; - } - } - - /* write init vector (not required for ECB mode) */ - if (mode > 0) { - des->IVHR = DEU_ENDIAN_SWAP(*(u32 *) iv_arg); - des->IVLR = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 1)); - } - -#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA - nblocks = nbytes / 4; - - for (i = 0; i < nblocks; i += 2) { - /* wait for busy bit to clear */ - - /*--- Workaround ---------------------------------------------------- - do a dummy read to the busy flag because it is not raised early - enough in CFB/OFB 3DES modes */ -#ifdef CRYPTO_DEBUG - printk ("ihr: %x\n", (*((u32 *) in_arg + i))); - printk ("ilr: %x\n", (*((u32 *) in_arg + 1 + i))); -#endif - des->IHR = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + i)); - des->ILR = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + 1 + i)); /* start crypto */ - - while (des->controlr.BUS) { - /* this will not take long */ - } - - *((u32 *) out_arg + 0 + i) = des->OHR; - *((u32 *) out_arg + 1 + i) = des->OLR; - -#ifdef CRYPTO_DEBUG - printk ("ohr: %x\n", (*((u32 *) out_arg + i))); - printk ("olr: %x\n", (*((u32 *) out_arg + 1 + i))); -#endif - } - -#else /* dma mode */ - - /* Prepare Rx buf length used in dma psuedo interrupt */ - //deu_priv->deu_rx_buf = out_arg; - //deu_priv->deu_rx_len = nbytes; - - /* memory alignment issue */ - dword_mem_aligned_in = (u32 *) DEU_DWORD_REORDERING(in_arg, des_buff_in, BUFFER_IN, nbytes); - - dma->controlr.ALGO = 0; //DES - des->controlr.DAU = 0; - dma->controlr.BS = 0; - dma->controlr.EN = 1; - - while (des->controlr.BUS) { - // wait for AES to be ready - }; - - wlen = dma_device_write (dma_device, (u8 *) dword_mem_aligned_in, nbytes, NULL); - if (wlen != nbytes) { - dma->controlr.EN = 0; - CRTCL_SECT_END; - printk (KERN_ERR "[%s %s %d]: dma_device_write fail!\n", __FILE__, __func__, __LINE__); - return; // -EINVAL; - } - - WAIT_DES_DMA_READY(); - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA - - outcopy = (u32 *) DEU_DWORD_REORDERING(out_arg, des_buff_out, BUFFER_OUT, nbytes); - - // polling DMA rx channel - while ((dma_device_read (dma_device, (u8 **) &out_dma, NULL)) == 0) { - timeout++; - - if (timeout >= 333000) { - dma->controlr.EN = 0; - CRTCL_SECT_END; - printk (KERN_ERR "[%s %s %d]: timeout!!\n", __FILE__, __func__, __LINE__); - return; // -EINVAL; - } - } - - WAIT_DES_DMA_READY(); - - DES_MEMORY_COPY(outcopy, out_dma, out_arg, nbytes); - -#else - - CRTCL_SECT_END; /* Sleep and wait for Rx finished */ - DEU_WAIT_EVENT(deu_priv->deu_thread_wait, DEU_EVENT, deu_priv->deu_event_flags); - CRTCL_SECT_START; - -#endif - -#endif /* dma mode */ - - if (mode > 0) { - *(u32 *) iv_arg = DEU_ENDIAN_SWAP(des->IVHR); - *((u32 *) iv_arg + 1) = DEU_ENDIAN_SWAP(des->IVLR); - }; - - CRTCL_SECT_END; -} - -//definitions from linux/include/crypto.h: -//#define CRYPTO_TFM_MODE_ECB 0x00000001 -//#define CRYPTO_TFM_MODE_CBC 0x00000002 -//#define CRYPTO_TFM_MODE_CFB 0x00000004 -//#define CRYPTO_TFM_MODE_CTR 0x00000008 -//#define CRYPTO_TFM_MODE_OFB 0x00000010 // not even defined -//but hardware definition: 0 ECB 1 CBC 2 OFB 3 CFB 4 CTR - -/*! \fn void ifx_deu_des(void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode) - * \ingroup IFX_DES_FUNCTIONS - * \brief main interface to DES hardware - * \param ctx_arg crypto algo context - * \param out_arg output bytestream - * \param in_arg input bytestream - * \param iv_arg initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param mode operation mode such as ebc, cbc -*/ - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA -void ifx_deu_des (void *ctx_arg, u8 *out_arg, const u8 *in_arg, - u8 *iv_arg, u32 nbytes, int encdec, int mode) -{ - u32 remain = nbytes; - u32 inc; - - DPRINTF(0, "\n"); - - while (remain > 0) - { - if (remain >= DEU_MAX_PACKET_SIZE) - { - inc = DEU_MAX_PACKET_SIZE; - } - else - { - inc = remain; - } - - remain -= inc; - - ifx_deu_des_core(ctx_arg, out_arg, in_arg, iv_arg, inc, encdec, mode); - - out_arg += inc; - in_arg += inc; - } -} -#endif - - -/*! \fn void ifx_deu_des_ecb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - * \ingroup IFX_DES_FUNCTIONS - * \brief sets DES hardware to ECB mode - * \param ctx crypto algo context - * \param dst output bytestream - * \param src input bytestream - * \param iv initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param inplace not used -*/ - -void ifx_deu_des_ecb (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - DPRINTF(0, "ctx @%p\n", ctx); - ifx_deu_des (ctx, dst, src, NULL, nbytes, encdec, 0); -} - -/*! \fn void ifx_deu_des_cbc (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - * \ingroup IFX_DES_FUNCTIONS - * \brief sets DES hardware to CBC mode - * \param ctx crypto algo context - * \param dst output bytestream - * \param src input bytestream - * \param iv initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param inplace not used -*/ -void ifx_deu_des_cbc (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - DPRINTF(0, "ctx @%p\n", ctx); - ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 1); -} - -/*! \fn void ifx_deu_des_ofb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - * \ingroup IFX_DES_FUNCTIONS - * \brief sets DES hardware to OFB mode - * \param ctx crypto algo context - * \param dst output bytestream - * \param src input bytestream - * \param iv initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param inplace not used -*/ -void ifx_deu_des_ofb (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - DPRINTF(0, "ctx @%p\n", ctx); - ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 2); -} - -/*! \fn void ifx_deu_des_cfb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - \ingroup IFX_DES_FUNCTIONS - \brief sets DES hardware to CFB mode - \param ctx crypto algo context - \param dst output bytestream - \param src input bytestream - \param iv initialization vector - \param nbytes length of bytestream - \param encdec 1 for encrypt; 0 for decrypt - \param inplace not used -*/ -void ifx_deu_des_cfb (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - DPRINTF(0, "ctx @%p\n", ctx); - ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 3); -} - -/*! \fn void ifx_deu_des_ctr (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) - * \ingroup IFX_DES_FUNCTIONS - * \brief sets DES hardware to CTR mode - * \param ctx crypto algo context - * \param dst output bytestream - * \param src input bytestream - * \param iv initialization vector - * \param nbytes length of bytestream - * \param encdec 1 for encrypt; 0 for decrypt - * \param inplace not used -*/ -void ifx_deu_des_ctr (void *ctx, uint8_t *dst, const uint8_t *src, - uint8_t *iv, size_t nbytes, int encdec, int inplace) -{ - DPRINTF(0, "ctx @%p\n", ctx); - ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 4); -} - -/*! \fn void des_encrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in) - * \ingroup IFX_DES_FUNCTIONS - * \brief encrypt DES_BLOCK_SIZE of data - * \param tfm linux crypto algo transform - * \param out output bytestream - * \param in input bytestream -*/ -void des_encrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t * in) -{ - struct des_ctx *ctx = crypto_tfm_ctx(tfm); - DPRINTF(0, "ctx @%p\n", ctx); - ifx_deu_des (ctx, out, in, NULL, DES_BLOCK_SIZE, CRYPTO_DIR_ENCRYPT, 0); -} - -/*! \fn void des_decrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in) - * \ingroup IFX_DES_FUNCTIONS - * \brief encrypt DES_BLOCK_SIZE of data - * \param tfm linux crypto algo transform - * \param out output bytestream - * \param in input bytestream -*/ -void des_decrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t * in) -{ - struct des_ctx *ctx = crypto_tfm_ctx(tfm); - DPRINTF(0, "ctx @%p\n", ctx); - ifx_deu_des (ctx, out, in, NULL, DES_BLOCK_SIZE, CRYPTO_DIR_DECRYPT, 0); -} - -/* - * \brief RFC2451: - * - * For DES-EDE3, there is no known need to reject weak or - * complementation keys. Any weakness is obviated by the use of - * multiple keys. - * - * However, if the first two or last two independent 64-bit keys are - * equal (k1 == k2 or k2 == k3), then the DES3 operation is simply the - * same as DES. Implementers MUST reject keys that exhibit this - * property. - * - */ - -/*! \fn int des3_ede_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) - * \ingroup IFX_DES_FUNCTIONS - * \brief sets 3DES key - * \param tfm linux crypto algo transform - * \param key input key - * \param keylen key length -*/ -int des3_ede_setkey(struct crypto_tfm *tfm, const u8 *key, - unsigned int key_len) -{ - struct des_ctx *ctx = crypto_tfm_ctx(tfm); - - DPRINTF(0, "ctx @%p, key_len %d\n", ctx, key_len); - - ctx->controlr_M = key_len / 8 + 1; // 3DES EDE1 / EDE2 / EDE3 Mode - ctx->key_length = key_len; - - memcpy ((u8 *) (ctx->expkey), key, key_len); - - return 0; -} - -/* - * \brief DES function mappings -*/ -struct crypto_alg ifxdeu_des_alg = { - .cra_name = "des", - .cra_driver_name = "ifxdeu-des", - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct des_ctx), - .cra_module = THIS_MODULE, - .cra_alignmask = 3, - .cra_list = LIST_HEAD_INIT(ifxdeu_des_alg.cra_list), - .cra_u = { .cipher = { - .cia_min_keysize = DES_KEY_SIZE, - .cia_max_keysize = DES_KEY_SIZE, - .cia_setkey = des_setkey, - .cia_encrypt = des_encrypt, - .cia_decrypt = des_decrypt } } -}; - -/* - * \brief DES function mappings -*/ -struct crypto_alg ifxdeu_des3_ede_alg = { - .cra_name = "des3_ede", - .cra_driver_name = "ifxdeu-des3_ede", - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct des_ctx), - .cra_module = THIS_MODULE, - .cra_alignmask = 3, - .cra_list = LIST_HEAD_INIT(ifxdeu_des3_ede_alg.cra_list), - .cra_u = { .cipher = { - .cia_min_keysize = DES_KEY_SIZE, - .cia_max_keysize = DES_KEY_SIZE, - .cia_setkey = des3_ede_setkey, - .cia_encrypt = des_encrypt, - .cia_decrypt = des_decrypt } } -}; - -/*! \fn int ecb_des_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_DES_FUNCTIONS - * \brief ECB DES encrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes -*/ -int ecb_des_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - DPRINTF(0, "ctx @%p\n", ctx); - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - nbytes -= (nbytes % DES_BLOCK_SIZE); - ifx_deu_des_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, - NULL, nbytes, CRYPTO_DIR_ENCRYPT, 0); - nbytes &= DES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/*! \fn int ecb_des_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_DES_FUNCTIONS - * \brief ECB DES decrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int ecb_des_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - DPRINTF(0, "ctx @%p\n", ctx); - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - nbytes -= (nbytes % DES_BLOCK_SIZE); - ifx_deu_des_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, - NULL, nbytes, CRYPTO_DIR_DECRYPT, 0); - nbytes &= DES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/* - * \brief DES function mappings -*/ -struct crypto_alg ifxdeu_ecb_des_alg = { - .cra_name = "ecb(des)", - .cra_driver_name = "ifxdeu-ecb(des)", - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_ecb_des_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = DES_KEY_SIZE, - .max_keysize = DES_KEY_SIZE, - .setkey = des_setkey, - .encrypt = ecb_des_encrypt, - .decrypt = ecb_des_decrypt, - } - } -}; - -/* - * \brief DES function mappings -*/ -struct crypto_alg ifxdeu_ecb_des3_ede_alg = { - .cra_name = "ecb(des3_ede)", - .cra_driver_name = "ifxdeu-ecb(des3_ede)", - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES3_EDE_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_ecb_des3_ede_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = DES3_EDE_KEY_SIZE, - .max_keysize = DES3_EDE_KEY_SIZE, - .setkey = des3_ede_setkey, - .encrypt = ecb_des_encrypt, - .decrypt = ecb_des_decrypt, - } - } -}; - -/*! \fn int cbc_des_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_DES_FUNCTIONS - * \brief CBC DES encrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int cbc_des_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - DPRINTF(0, "ctx @%p\n", ctx); - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - u8 *iv = walk.iv; - //printk("iv = %08x\n", *(u32 *)iv); - nbytes -= (nbytes % DES_BLOCK_SIZE); - ifx_deu_des_cbc(ctx, walk.dst.virt.addr, walk.src.virt.addr, - iv, nbytes, CRYPTO_DIR_ENCRYPT, 0); - nbytes &= DES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/*! \fn int cbc_des_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) - * \ingroup IFX_DES_FUNCTIONS - * \brief CBC DES decrypt using linux crypto blkcipher - * \param desc blkcipher descriptor - * \param dst output scatterlist - * \param src input scatterlist - * \param nbytes data size in bytes - * \return err -*/ -int cbc_des_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - struct des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); - struct blkcipher_walk walk; - int err; - - DPRINTF(0, "ctx @%p\n", ctx); - - blkcipher_walk_init(&walk, dst, src, nbytes); - err = blkcipher_walk_virt(desc, &walk); - - while ((nbytes = walk.nbytes)) { - u8 *iv = walk.iv; - //printk("iv = %08x\n", *(u32 *)iv); - nbytes -= (nbytes % DES_BLOCK_SIZE); - ifx_deu_des_cbc(ctx, walk.dst.virt.addr, walk.src.virt.addr, - iv, nbytes, CRYPTO_DIR_DECRYPT, 0); - nbytes &= DES_BLOCK_SIZE - 1; - err = blkcipher_walk_done(desc, &walk, nbytes); - } - - return err; -} - -/* - * \brief DES function mappings -*/ -struct crypto_alg ifxdeu_cbc_des_alg = { - .cra_name = "cbc(des)", - .cra_driver_name = "ifxdeu-cbc(des)", - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_cbc_des_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = DES_KEY_SIZE, - .max_keysize = DES_KEY_SIZE, - .ivsize = DES_BLOCK_SIZE, - .setkey = des_setkey, - .encrypt = cbc_des_encrypt, - .decrypt = cbc_des_decrypt, - } - } -}; - -/* - * \brief DES function mappings -*/ -struct crypto_alg ifxdeu_cbc_des3_ede_alg = { - .cra_name = "cbc(des3_ede)", - .cra_driver_name = "ifxdeu-cbc(des3_ede)", - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES3_EDE_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct des_ctx), - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_cbc_des3_ede_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = DES3_EDE_KEY_SIZE, - .max_keysize = DES3_EDE_KEY_SIZE, - .ivsize = DES_BLOCK_SIZE, - .setkey = des3_ede_setkey, - .encrypt = cbc_des_encrypt, - .decrypt = cbc_des_decrypt, - } - } -}; - -/*! \fn int __init ifxdeu_init_des (void) - * \ingroup IFX_DES_FUNCTIONS - * \brief initialize des driver -*/ -int __init ifxdeu_init_des (void) -{ - int ret = 0; - - ret = crypto_register_alg(&ifxdeu_des_alg); - if (ret < 0) - goto des_err; - - ret = crypto_register_alg(&ifxdeu_ecb_des_alg); - if (ret < 0) - goto ecb_des_err; - - ret = crypto_register_alg(&ifxdeu_cbc_des_alg); - if (ret < 0) - goto cbc_des_err; - - ret = crypto_register_alg(&ifxdeu_des3_ede_alg); - if (ret < 0) - goto des3_ede_err; - - ret = crypto_register_alg(&ifxdeu_ecb_des3_ede_alg); - if (ret < 0) - goto ecb_des3_ede_err; - - ret = crypto_register_alg(&ifxdeu_cbc_des3_ede_alg); - if (ret < 0) - goto cbc_des3_ede_err; - - des_chip_init(); - - CRTCL_SECT_INIT; - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA - if (ALLOCATE_MEMORY(BUFFER_IN, DES_ALGO) < 0) { - printk(KERN_ERR "[%s %s %d]: malloc memory fail!\n", __FILE__, __func__, __LINE__); - goto cbc_des3_ede_err; - } - if (ALLOCATE_MEMORY(BUFFER_OUT, DES_ALGO) < 0) { - printk(KERN_ERR "[%s %s %d]: malloc memory fail!\n", __FILE__, __func__, __LINE__); - goto cbc_des3_ede_err; - } -#endif - - printk (KERN_NOTICE "IFX DEU DES initialized %s.\n", disable_deudma ? "" : " (DMA)"); - return ret; - -des_err: - crypto_unregister_alg(&ifxdeu_des_alg); - printk(KERN_ERR "IFX des initialization failed!\n"); - return ret; -ecb_des_err: - crypto_unregister_alg(&ifxdeu_ecb_des_alg); - printk (KERN_ERR "IFX ecb_des initialization failed!\n"); - return ret; -cbc_des_err: - crypto_unregister_alg(&ifxdeu_cbc_des_alg); - printk (KERN_ERR "IFX cbc_des initialization failed!\n"); - return ret; -des3_ede_err: - crypto_unregister_alg(&ifxdeu_des3_ede_alg); - printk(KERN_ERR "IFX des3_ede initialization failed!\n"); - return ret; -ecb_des3_ede_err: - crypto_unregister_alg(&ifxdeu_ecb_des3_ede_alg); - printk (KERN_ERR "IFX ecb_des3_ede initialization failed!\n"); - return ret; -cbc_des3_ede_err: - crypto_unregister_alg(&ifxdeu_cbc_des3_ede_alg); - printk (KERN_ERR "IFX cbc_des3_ede initialization failed!\n"); - return ret; -} - -/*! \fn void __exit ifxdeu_fini_des (void) - * \ingroup IFX_DES_FUNCTIONS - * \brief unregister des driver -*/ -void __exit ifxdeu_fini_des (void) -{ - crypto_unregister_alg (&ifxdeu_des_alg); - crypto_unregister_alg (&ifxdeu_ecb_des_alg); - crypto_unregister_alg (&ifxdeu_cbc_des_alg); - crypto_unregister_alg (&ifxdeu_des3_ede_alg); - crypto_unregister_alg (&ifxdeu_ecb_des3_ede_alg); - crypto_unregister_alg (&ifxdeu_cbc_des3_ede_alg); - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA - FREE_MEMORY(des_buff_in); - FREE_MEMORY(des_buff_out); -#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA_DANUBE */ -} diff --git a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_deu.c b/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_deu.c deleted file mode 100755 index 38a5ee8b7..000000000 --- a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_deu.c +++ /dev/null @@ -1,190 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_deu.c - \ingroup IFX_DEU - \brief main deu driver file -*/ - -/*! - \defgroup IFX_DEU_FUNCTIONS IFX_DEU_FUNCTIONS - \ingroup IFX_DEU - \brief IFX DEU functions -*/ - -/* Project header */ -#include <linux/version.h> -#if defined(CONFIG_MODVERSIONS) -#define MODVERSIONS -#include <linux/modversions.h> -#endif -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/crypto.h> -#include <linux/proc_fs.h> -#include <linux/fs.h> /* Stuff about file systems that we need */ -#include <asm/byteorder.h> -#include <ifxmips_pmu.h> -#include "ifxmips_deu.h" - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA -int disable_deudma = 0; -#else -int disable_deudma = 1; -#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA */ - -#ifdef CRYPTO_DEBUG -char deu_debug_level = 3; -#endif - -/*! \fn static int __init deu_init (void) - * \ingroup IFX_DEU_FUNCTIONS - * \brief link all modules that have been selected in kernel config for ifx hw crypto support - * \return ret -*/ -static int __init deu_init (void) -{ - int ret = -ENOSYS; - u32 config; - - volatile struct clc_controlr_t *clc = (struct clc_controlr_t *) IFX_DEU_CLK; - - ifxmips_pmu_enable(1<<20); - - printk(KERN_INFO "Lantiq crypto hardware driver version %s\n", IFX_DEU_DRV_VERSION); - - chip_version(); - - clc->FSOE = 0; - clc->SBWE = 0; - clc->SPEN = 0; - clc->SBWE = 0; - clc->DISS = 0; - clc->DISR = 0; - - config = *IFX_DEU_ID; - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA - deu_dma_init (); -#endif - -#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_DES) - if(config & IFX_DEU_ID_DES) { - if ((ret = ifxdeu_init_des ())) { - printk (KERN_ERR "IFX DES initialization failed!\n"); - } - } else { - printk (KERN_ERR "IFX DES not supported!\n"); - } -#endif -#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_AES) - if(config & IFX_DEU_ID_AES) { - if ((ret = ifxdeu_init_aes ())) { - printk (KERN_ERR "IFX AES initialization failed!\n"); - } - } else { - printk (KERN_ERR "IFX AES not supported!\n"); - } -#endif -#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_ARC4) - if ((ret = ifxdeu_init_arc4 ())) { - printk (KERN_ERR "IFX ARC4 initialization failed!\n"); - } -#endif -#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1) - if(config & IFX_DEU_ID_HASH) { - if ((ret = ifxdeu_init_sha1 ())) { - printk (KERN_ERR "IFX SHA1 initialization failed!\n"); - } - } else { - printk (KERN_ERR "IFX SHA1 not supported!\n"); - } -#endif -#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5) - if(config & IFX_DEU_ID_HASH) { - if ((ret = ifxdeu_init_md5 ())) { - printk (KERN_ERR "IFX MD5 initialization failed!\n"); - } - } else { - printk (KERN_ERR "IFX MD5 not supported!\n"); - } -#endif -#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1_HMAC) - if ((ret = ifxdeu_init_sha1_hmac ())) { - printk (KERN_ERR "IFX SHA1_HMAC initialization failed!\n"); - } -#endif -#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5_HMAC) - if ((ret = ifxdeu_init_md5_hmac ())) { - printk (KERN_ERR "IFX MD5_HMAC initialization failed!\n"); - } -#endif - return ret; -} - -/*! \fn static void __exit deu_fini (void) - * \ingroup IFX_DEU_FUNCTIONS - * \brief remove the loaded crypto algorithms -*/ -static void __exit deu_fini (void) -{ - #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_DES) - ifxdeu_fini_des (); - #endif - #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_AES) - ifxdeu_fini_aes (); - #endif - #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_ARC4) - ifxdeu_fini_arc4 (); - #endif - #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1) - ifxdeu_fini_sha1 (); - #endif - #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5) - ifxdeu_fini_md5 (); - #endif - #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1_HMAC) - ifxdeu_fini_sha1_hmac (); - #endif - #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5_HMAC) - ifxdeu_fini_md5_hmac (); - #endif - printk("DEU has exited successfully\n"); - - #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_DMA) - ifxdeu_fini_dma(); - printk("DMA has deregistered successfully\n"); - #endif -} - -module_init (deu_init); -module_exit (deu_fini); - -MODULE_DESCRIPTION ("Infineon crypto engine support."); -MODULE_LICENSE ("GPL"); -MODULE_AUTHOR ("Mohammad Firdaus"); diff --git a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_deu.h b/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_deu.h deleted file mode 100755 index 77bb8daef..000000000 --- a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_deu.h +++ /dev/null @@ -1,144 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_deu.h - \brief main deu driver header file -*/ - -/*! - \defgroup IFX_DEU_DEFINITIONS IFX_DEU_DEFINITIONS - \ingroup IFX_DEU - \brief ifx deu definitions -*/ - - -#ifndef IFXMIPS_DEU_H -#define IFXMIPS_DEU_H - -#define IFX_DEU_DRV_VERSION "1.0.1" - -#include "ifxmips_deu_danube.h" - -#define IFXDEU_ALIGNMENT 16 - -#define PFX "ifxdeu: " - -#define IFXDEU_CRA_PRIORITY 300 -#define IFXDEU_COMPOSITE_PRIORITY 400 - - -#define IFX_DEU_BASE_ADDR (KSEG1 | 0x1E103100) -#define IFX_DEU_CLK ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0000)) -#define IFX_DEU_ID ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0008)) -#define IFX_DES_CON ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0010)) -#define IFX_AES_CON ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0050)) -#define IFX_HASH_CON ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x00B0)) -#define IFX_ARC4_CON ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0100)) - -#define IFX_DEU_ID_REV 0x00001F -#define IFX_DEU_ID_ID 0x00FF00 -#define IFX_DEU_ID_DMA 0x010000 -#define IFX_DEU_ID_HASH 0x020000 -#define IFX_DEU_ID_AES 0x040000 -#define IFX_DEU_ID_3DES 0x080000 -#define IFX_DEU_ID_DES 0x100000 - -#define CRYPTO_DIR_ENCRYPT 1 -#define CRYPTO_DIR_DECRYPT 0 - -#undef CRYPTO_DEBUG - -#ifdef CRYPTO_DEBUG -extern char deu_debug_level; -#define DPRINTF(level, format, args...) if (level < deu_debug_level) printk(KERN_INFO "[%s %s %d]: " format, __FILE__, __func__, __LINE__, ##args); -#else -#define DPRINTF(level, format, args...) -#endif - -#define IFX_MPS (KSEG1 | 0x1F107000) - -#define IFX_MPS_CHIPID ((volatile u32*)(IFX_MPS + 0x0344)) -#define IFX_MPS_CHIPID_VERSION_GET(value) (((value) >> 28) & 0xF) -#define IFX_MPS_CHIPID_VERSION_SET(value) (((value) & 0xF) << 28) -#define IFX_MPS_CHIPID_PARTNUM_GET(value) (((value) >> 12) & 0xFFFF) -#define IFX_MPS_CHIPID_PARTNUM_SET(value) (((value) & 0xFFFF) << 12) -#define IFX_MPS_CHIPID_MANID_GET(value) (((value) >> 1) & 0x7FF) -#define IFX_MPS_CHIPID_MANID_SET(value) (((value) & 0x7FF) << 1) - -void chip_version(void); - -int __init ifxdeu_init_des (void); -int __init ifxdeu_init_aes (void); -int __init ifxdeu_init_arc4 (void); -int __init ifxdeu_init_sha1 (void); -int __init ifxdeu_init_md5 (void); -int __init ifxdeu_init_sha1_hmac (void); -int __init ifxdeu_init_md5_hmac (void); - -void __exit ifxdeu_fini_des (void); -void __exit ifxdeu_fini_aes (void); -void __exit ifxdeu_fini_arc4 (void); -void __exit ifxdeu_fini_sha1 (void); -void __exit ifxdeu_fini_md5 (void); -void __exit ifxdeu_fini_sha1_hmac (void); -void __exit ifxdeu_fini_md5_hmac (void); -void __exit ifxdeu_fini_dma(void); - -int deu_dma_init (void); - -#define DEU_WAKELIST_INIT(queue) \ - init_waitqueue_head(&queue) - -#define DEU_WAIT_EVENT_TIMEOUT(queue, event, flags, timeout) \ - do { \ - wait_event_interruptible_timeout((queue), \ - test_bit((event), &(flags)), (timeout)); \ - clear_bit((event), &(flags)); \ - }while (0) - - -#define DEU_WAKEUP_EVENT(queue, event, flags) \ - do { \ - set_bit((event), &(flags)); \ - wake_up_interruptible(&(queue)); \ - }while (0) - -#define DEU_WAIT_EVENT(queue, event, flags) \ - do { \ - wait_event_interruptible(queue, \ - test_bit((event), &(flags))); \ - clear_bit((event), &(flags)); \ - }while (0) - -typedef struct deu_drv_priv { - wait_queue_head_t deu_thread_wait; -#define DEU_EVENT 1 - volatile long deu_event_flags; - u8 *deu_rx_buf; - u32 deu_rx_len; -}deu_drv_priv_t; - -#endif /* IFXMIPS_DEU_H */ diff --git a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_deu_danube.c b/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_deu_danube.c deleted file mode 100755 index a8cf8a58f..000000000 --- a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_deu_danube.c +++ /dev/null @@ -1,443 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief deu driver module -*/ - -/*! - \file ifxmips_deu_danube.c - \ingroup IFX_DEU - \brief board specific deu driver file for danube -*/ - -/*! - \defgroup BOARD_SPECIFIC_FUNCTIONS IFX_BOARD_SPECIFIC_FUNCTIONS - \ingroup IFX_DEU - \brief board specific deu functions -*/ - -/* Project header files */ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/io.h> //dma_cache_inv -#include "ifxmips_deu.h" - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA -u32 *des_buff_in = NULL; -u32 *des_buff_out = NULL; -u32 *aes_buff_in = NULL; -u32 *aes_buff_out = NULL; -_ifx_deu_device ifx_deu[1]; -#endif - -/* Function Declerations */ -int aes_memory_allocate(int value); -int des_memory_allocate(int value); -void memory_release(u32 *addr); -int aes_chip_init (void); -void des_chip_init (void); -int deu_dma_init (void); -u32 endian_swap(u32 input); -u32* memory_alignment(const u8 *arg, u32 *buff_alloc, int in_out, int nbytes); -void dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes); -void __exit ifxdeu_fini_dma(void); - -#define DES_3DES_START IFX_DES_CON -#define AES_START IFX_AES_CON - -/* Variables definition */ -int ifx_danube_pre_1_4; -u8 *g_dma_page_ptr = NULL; -u8 *g_dma_block = NULL; -u8 *g_dma_block2 = NULL; - - -/*! \fn int deu_dma_init (void) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief Initialize DMA for DEU usage. DMA specific registers are - * intialized here, including a pointer to the device, memory - * space for the device and DEU-DMA descriptors - * \return -1 if fail, otherwise return 0 -*/ - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA -int deu_dma_init (void) -{ - struct dma_device_info *dma_device = NULL; - int i = 0; - volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; - struct dma_device_info *deu_dma_device_ptr; - - // get one free page and share between g_dma_block and g_dma_block2 - printk("PAGE_SIZE = %ld\n", PAGE_SIZE); - g_dma_page_ptr = (u8 *)__get_free_page(GFP_KERNEL); // need 16-byte alignment memory block - g_dma_block = g_dma_page_ptr; // need 16-byte alignment memory block - g_dma_block2 = (u8 *)(g_dma_page_ptr + (PAGE_SIZE >> 1)); // need 16-byte alignment memory block - - - deu_dma_device_ptr = dma_device_reserve ("DEU"); - if (!deu_dma_device_ptr) { - printk ("DEU: reserve DMA fail!\n"); - return -1; - } - ifx_deu[0].dma_device = deu_dma_device_ptr; - dma_device = deu_dma_device_ptr; - //dma_device->priv = &deu_dma_priv; - dma_device->buffer_alloc = &deu_dma_buffer_alloc; - dma_device->buffer_free = &deu_dma_buffer_free; - dma_device->intr_handler = &deu_dma_intr_handler; - dma_device->tx_endianness_mode = IFX_DMA_ENDIAN_TYPE3; - dma_device->rx_endianness_mode = IFX_DMA_ENDIAN_TYPE3; - dma_device->port_num = 1; - dma_device->tx_burst_len = 4; - dma_device->max_rx_chan_num = 1; - dma_device->max_tx_chan_num = 1; - dma_device->port_packet_drop_enable = 0; - - for (i = 0; i < dma_device->max_rx_chan_num; i++) { - dma_device->rx_chan[i]->packet_size = DEU_MAX_PACKET_SIZE; - dma_device->rx_chan[i]->desc_len = 1; - dma_device->rx_chan[i]->control = IFX_DMA_CH_ON; - dma_device->rx_chan[i]->byte_offset = 0; - dma_device->rx_chan[i]->chan_poll_enable = 1; - - } - - for (i = 0; i < dma_device->max_tx_chan_num; i++) { - dma_device->tx_chan[i]->control = IFX_DMA_CH_ON; - dma_device->tx_chan[i]->desc_len = 1; - dma_device->tx_chan[i]->chan_poll_enable = 1; - } - - dma_device->current_tx_chan = 0; - dma_device->current_rx_chan = 0; - - dma_device_register (dma_device); - for (i = 0; i < dma_device->max_rx_chan_num; i++) { - (dma_device->rx_chan[i])->open (dma_device->rx_chan[i]); - } - - dma->controlr.BS = 0; - dma->controlr.RXCLS = 0; - dma->controlr.EN = 1; - - - *IFX_DMA_PS = 1; - - /* DANUBE PRE 1.4 SOFTWARE FIX */ - if (ifx_danube_pre_1_4) - *IFX_DMA_PCTRL = 0x14; - else - *IFX_DMA_PCTRL = 0xF14; - - return 0; -} - -/*! \fn u32 *memory_alignment(const u8 *arg, u32 *buffer_alloc, int in_buff, int nbytes) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief A fix to align mis-aligned address for Danube version 1.3 chips which has - * memory alignment issues. - * \param arg Pointer to the input / output memory address - * \param buffer_alloc A pointer to the buffer - * \param in_buff Input (if == 1) or Output (if == 0) buffer - * \param nbytes Number of bytes of data - * \return returns arg: if address is aligned, buffer_alloc: if memory address is not aligned -*/ - -u32 *memory_alignment(const u8 *arg, u32 *buffer_alloc, int in_buff, int nbytes) -{ - if (ifx_danube_pre_1_4) { - /* for input buffer */ - if(in_buff) { - if (((u32) arg) & 0xF) { - memcpy(buffer_alloc, arg, nbytes); - return (u32 *) buffer_alloc; - } - else - return (u32 *) arg; - } - else { - /* for output buffer */ - if (((u32) arg) & 0x3) - return buffer_alloc; - else - return (u32 *) arg; - } - } - - return (u32 *) arg; -} - -/*! \fn void aes_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief copy the DMA data to the memory address space for AES. The swaping of the 4 bytes - * is done only for Danube version 1.3 (FIX). Otherwise, it is a direct memory copy - * to out_arg pointer - * \param outcopy Pointer to the address to store swapped copy - * \param out_dma A pointer to the memory address that stores the DMA data - * \param out_arg The pointer to the memory address that needs to be copied to - * \param nbytes Number of bytes of data -*/ - -void aes_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes) -{ - int i = 0; - int x = 0; - - /* DANUBE PRE 1.4 SOFTWARE FIX */ - if (ifx_danube_pre_1_4) { - for (i = 0; i < (nbytes / 4); i++) { - x = i ^ 0x3; - outcopy[i] = out_dma[x]; - - } - if (((u32) out_arg) & 0x3) { - memcpy((u8 *)out_arg, outcopy, nbytes); - } - } - else - memcpy (out_arg, out_dma, nbytes); -} - -/*! \fn void des_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief copy the DMA data to the memory address space for DES. The swaping of the 4 bytes - * is done only for Danube version 1.3 (FIX). Otherwise, it is a direct memory copy - * to out_arg pointer - * - * \param outcopy Pointer to the address to store swapped copy - * \param out_dma A pointer to the memory address that stores the DMA data - * \param out_arg The pointer to the memory address that needs to be copied to - * \param nbytes Number of bytes of data -*/ - -void des_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes) -{ - int i = 0; - int x = 0; - - /* DANUBE PRE 1.4 SOFTWARE FIX */ - if (ifx_danube_pre_1_4) { - for (i = 0; i < (nbytes / 4); i++) { - x = i ^ 1; - outcopy[i] = out_dma[x]; - - } - if (((u32) out_arg) & 0x3) { - memcpy((u8 *)out_arg, outcopy, nbytes); - } - } - else - memcpy (out_arg, out_dma, nbytes); -} - -/*! \fn int des_memory_allocate(int value) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief allocates memory to the necessary memory input/output buffer location, used during - * the DES algorithm DMA transfer (memory alignment issues) - * \param value value determinds whether the calling of the function is for a input buffer - * or for an output buffer memory allocation -*/ - -int des_memory_allocate(int value) -{ - if (ifx_danube_pre_1_4) { - if (value == BUFFER_IN) { - des_buff_in = kmalloc(DEU_MAX_PACKET_SIZE, GFP_ATOMIC); - if (!des_buff_in) - return -1; - else - return 0; - } - else { - des_buff_out = kmalloc(DEU_MAX_PACKET_SIZE, GFP_ATOMIC); - if (!des_buff_out) - return -1; - else - return 0; - } - } - - else - return 0; -} - -/*! \fn int aes_memory_allocate(int value) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief allocates memory to the necessary memory input/output buffer location, used during - * the AES algorithm DMA transfer (memory alignment issues) - * \param value value determinds whether the calling of the function is for a input buffer - * or for an output buffer memory allocation -*/ - -int aes_memory_allocate(int value) -{ - if (ifx_danube_pre_1_4) { - if (value == BUFFER_IN) { - aes_buff_in = kmalloc(DEU_MAX_PACKET_SIZE, GFP_ATOMIC); - if (!aes_buff_in) - return -1; - else - return 0; - } - else { - aes_buff_out = kmalloc(DEU_MAX_PACKET_SIZE, GFP_ATOMIC); - if (!aes_buff_out) - return -1; - else - return 0; - } - } - - else - return 0; -} - -/*! \fn void memory_release(u32 *addr) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief frees previously allocated memory - * \param addr memory address of the buffer that needs to be freed -*/ - -void memory_release(u32 *addr) -{ - if (addr) - kfree(addr); - return; -} - -/*! \fn __exit ifxdeu_fini_dma(void) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief unregister dma devices after exit -*/ - -void __exit ifxdeu_fini_dma(void) -{ - if (g_dma_page_ptr) - free_page((u32) g_dma_page_ptr); - dma_device_release(ifx_deu[0].dma_device); - dma_device_unregister(ifx_deu[0].dma_device); - -} - -#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA */ - -/*! \fn u32 endian_swap(u32 input) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief function is not used - * \param input Data input to be swapped - * \return input -*/ - -u32 endian_swap(u32 input) -{ - return input; -} - -/*! \fn u32 input_swap(u32 input) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief Swap the input data if the current chip is Danube version - * 1.4 and do nothing to the data if the current chip is - * Danube version 1.3 - * \param input data that needs to be swapped - * \return input or swapped input -*/ - -u32 input_swap(u32 input) -{ - if (!ifx_danube_pre_1_4) { - u8 *ptr = (u8 *)&input; - return ((ptr[3] << 24) | (ptr[2] << 16) | (ptr[1] << 8) | ptr[0]); - } - else - return input; -} - - - -/*! \fn void aes_chip_init (void) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief initialize AES hardware -*/ - -int aes_chip_init (void) -{ - volatile struct aes_t *aes = (struct aes_t *) AES_START; - -#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA - //start crypto engine with write to ILR - aes->controlr.SM = 1; - aes->controlr.ARS = 1; -#else - aes->controlr.SM = 1; - aes->controlr.ARS = 1; // 0 for dma -#endif - return 0; -} - -/*! \fn void des_chip_init (void) - * \ingroup BOARD_SPECIFIC_FUNCTIONS - * \brief initialize DES hardware -*/ - -void des_chip_init (void) -{ - volatile struct des_t *des = (struct des_t *) DES_3DES_START; - -#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA - // start crypto engine with write to ILR - des->controlr.SM = 1; - des->controlr.ARS = 1; -#else - des->controlr.SM = 1; - des->controlr.ARS = 1; // 0 for dma - -#endif -} - -/*! \fn void chip_version (void) - * \ingroup IFX_DES_FUNCTIONS - * \brief To find the version of the chip by looking at the chip ID - * \param ifx_danube_pre_1_4 (sets to 1 if Chip is Danube less than v1.4) -*/ - -void chip_version(void) -{ - /* DANUBE PRE 1.4 SOFTWARE FIX */ - int chip_id = 0; - chip_id = *IFX_MPS_CHIPID; - chip_id >>= 28; - - if (chip_id >= 4) { - ifx_danube_pre_1_4 = 0; - printk("Danube Chip ver. 1.4 detected. \n"); - } - else { - ifx_danube_pre_1_4 = 1; - printk("Danube Chip ver. 1.3 or below detected. \n"); - } - - return; -} - diff --git a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_deu_danube.h b/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_deu_danube.h deleted file mode 100755 index 457e11b32..000000000 --- a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_deu_danube.h +++ /dev/null @@ -1,230 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus / Infineon Technologies - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief deu driver module -*/ - -/*! - \file ifxmips_deu_danube.h - \brief board specific driver header file for danube -*/ - -/*! - \defgroup BOARD_SPECIFIC_FUNCTIONS IFX_BOARD_SPECIFIC_FUNCTIONS - \ingroup IFX_DEU - \brief board specific deu header files -*/ - -#ifndef IFXMIPS_DEU_DANUBE_H -#define IFXMIPS_DEU_DANUBE_H - -#ifdef CONFIG_CRYPTO_DEV_DMA -#define DEU_DWORD_REORDERING(ptr, buffer, in_out, bytes) memory_alignment(ptr, buffer, in_out, bytes) -#define AES_MEMORY_COPY(outcopy, out_dma, out_arg, nbytes) aes_dma_memory_copy(outcopy, out_dma, out_arg, nbytes) -#define DES_MEMORY_COPY(outcopy, out_dma, out_arg, nbytes) des_dma_memory_copy(outcopy, out_dma, out_arg, nbytes) -#define BUFFER_IN 1 -#define BUFFER_OUT 0 -#define DELAY_PERIOD 9 -#define AES_ALGO 1 -#define DES_ALGO 0 -#define FREE_MEMORY(buff) memory_release(buff) -#define ALLOCATE_MEMORY(val, type) type ? aes_memory_allocate(val) : des_memory_allocate(val) -#endif /* CONFIG_CRYPTO_DEV_DMA */ - -#define INPUT_ENDIAN_SWAP(input) input_swap(input) -#define DEU_ENDIAN_SWAP(input) endian_swap(input) -#define AES_DMA_MISC_CONFIG() - -#define WAIT_AES_DMA_READY() \ - do { \ - int i; \ - volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; \ - volatile struct aes_t *aes = (volatile struct aes_t *) AES_START; \ - for (i = 0; i < 10; i++) \ - udelay(DELAY_PERIOD); \ - while (dma->controlr.BSY) {}; \ - while (aes->controlr.BUS) {}; \ - } while (0) - -#define WAIT_DES_DMA_READY() \ - do { \ - int i; \ - volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; \ - volatile struct des_t *des = (struct des_t *) DES_3DES_START; \ - for (i = 0; i < 10; i++) \ - udelay(DELAY_PERIOD); \ - while (dma->controlr.BSY) {}; \ - while (des->controlr.BUS) {}; \ - } while (0) - -#define SHA_HASH_INIT \ - do { \ - volatile struct deu_hash_t *hash = (struct deu_hash_t *) HASH_START; \ - hash->controlr.SM = 1; \ - hash->controlr.ALGO = 0; \ - hash->controlr.INIT = 1; \ - } while(0) - -/* DEU STRUCTURES */ - -struct clc_controlr_t { - u32 Res:26; - u32 FSOE:1; - u32 SBWE:1; - u32 EDIS:1; - u32 SPEN:1; - u32 DISS:1; - u32 DISR:1; - -}; - -struct des_t { - struct des_controlr { - u32 KRE:1; - u32 reserved1:5; - u32 GO:1; - u32 STP:1; - u32 Res2:6; - u32 NDC:1; - u32 ENDI:1; - u32 Res3:2; - u32 F:3; - u32 O:3; - u32 BUS:1; - u32 DAU:1; - u32 ARS:1; - u32 SM:1; - u32 E_D:1; - u32 M:3; - - } controlr; - u32 IHR; - u32 ILR; - u32 K1HR; - u32 K1LR; - u32 K2HR; - u32 K2LR; - u32 K3HR; - u32 K3LR; - u32 IVHR; - u32 IVLR; - u32 OHR; - u32 OLR; -}; - -struct aes_t { - struct aes_controlr { - - u32 KRE:1; - u32 reserved1:4; - u32 PNK:1; - u32 GO:1; - u32 STP:1; - - u32 reserved2:6; - u32 NDC:1; - u32 ENDI:1; - u32 reserved3:2; - - u32 F:3; //fbs - u32 O:3; //om - u32 BUS:1; //bsy - u32 DAU:1; - u32 ARS:1; - u32 SM:1; - u32 E_D:1; - u32 KV:1; - u32 K:2; //KL - - } controlr; - u32 ID3R; //80h - u32 ID2R; //84h - u32 ID1R; //88h - u32 ID0R; //8Ch - u32 K7R; //90h - u32 K6R; //94h - u32 K5R; //98h - u32 K4R; //9Ch - u32 K3R; //A0h - u32 K2R; //A4h - u32 K1R; //A8h - u32 K0R; //ACh - u32 IV3R; //B0h - u32 IV2R; //B4h - u32 IV1R; //B8h - u32 IV0R; //BCh - u32 OD3R; //D4h - u32 OD2R; //D8h - u32 OD1R; //DCh - u32 OD0R; //E0h -}; - -struct deu_hash_t { - struct hash_controlr { - u32 reserved1:5; - u32 KHS:1; - u32 GO:1; - u32 INIT:1; - u32 reserved2:6; - u32 NDC:1; - u32 ENDI:1; - u32 reserved3:7; - u32 DGRY:1; - u32 BSY:1; - u32 reserved4:1; - u32 IRCL:1; - u32 SM:1; - u32 KYUE:1; - u32 HMEN:1; - u32 SSEN:1; - u32 ALGO:1; - - } controlr; - u32 MR; //B4h - u32 D1R; //B8h - u32 D2R; //BCh - u32 D3R; //C0h - u32 D4R; //C4h - u32 D5R; //C8h - - u32 dummy; //CCh - - u32 KIDX; //D0h - u32 KEY; //D4h - u32 DBN; //D8h -}; - -struct deu_dma_t { - struct dma_controlr { - u32 reserved1:22; - u32 BS:2; - u32 BSY:1; - u32 reserved2:1; - u32 ALGO:2; - u32 RXCLS:2; - u32 reserved3:1; - u32 EN:1; - - } controlr; -}; - -#endif /* IFXMIPS_DEU_DANUBE_H */ diff --git a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_deu_dma.c b/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_deu_dma.c deleted file mode 100755 index ebc4af048..000000000 --- a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_deu_dma.c +++ /dev/null @@ -1,150 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup IFX_API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_deu_dma.c - \ingroup IFX_DEU - \brief DMA deu driver file -*/ - -/*! - \defgroup IFX_DMA_FUNCTIONS IFX_DMA_FUNCTIONS - \ingroup IFX_DEU - \brief deu-dma driver functions -*/ - -/* Project header files */ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/delay.h> -#include <asm/io.h> -#include "ifxmips_deu.h" - -extern _ifx_deu_device ifx_deu[1]; -extern spinlock_t ifx_deu_lock; - -//extern deu_drv_priv_t deu_dma_priv; - -/*! \fn int deu_dma_intr_handler (struct dma_device_info *dma_dev, int status) - * \ingroup IFX_DMA_FUNCTIONS - * \brief callback function for deu dma interrupt - * \param dma_dev dma device - * \param status not used -*/ -int deu_dma_intr_handler (struct dma_device_info *dma_dev, int status) -{ -#if 0 - int len = 0; - while (len <= 20000) { len++; } - u8 *buf; - int len = 0; - - - deu_drv_priv_t *deu_priv = (deu_drv_priv_t *)dma_dev->priv; - //printk("status:%d \n",status); - switch(status) { - case RCV_INT: - len = dma_device_read(dma_dev, (u8 **)&buf, NULL); - if ( len != deu_priv->deu_rx_len) { - printk(KERN_ERR "%s packet length %d is not equal to expect %d\n", - __func__, len, deu_priv->deu_rx_len); - return -1; - } - memcpy(deu_priv->deu_rx_buf, buf, deu_priv->deu_rx_len); - /* Reset for next usage */ - deu_priv->deu_rx_buf = NULL; - deu_priv->deu_rx_len = 0; - DEU_WAKEUP_EVENT(deu_priv->deu_thread_wait, DEU_EVENT, deu_priv->deu_event_flags); - break; - case TX_BUF_FULL_INT: - // delay for buffer to be cleared - while (len <= 20000) { len++; } - break; - - case TRANSMIT_CPT_INT: - break; - default: - break; - } -#endif - return 0; -} - -extern u8 *g_dma_block; -extern u8 *g_dma_block2; - -/*! \fn u8 *deu_dma_buffer_alloc (int len, int *byte_offset, void **opt) - * \ingroup IFX_DMA_FUNCTIONS - * \brief callback function for allocating buffers for dma receive descriptors - * \param len not used - * \param byte_offset dma byte offset - * \param *opt not used - * -*/ -u8 *deu_dma_buffer_alloc (int len, int *byte_offset, void **opt) -{ - u8 *swap = NULL; - - // dma-core needs at least 2 blocks of memory - swap = g_dma_block; - g_dma_block = g_dma_block2; - g_dma_block2 = swap; - - //dma_cache_wback_inv((unsigned long) g_dma_block, (PAGE_SIZE >> 1)); - *byte_offset = 0; - - return g_dma_block; -} - -/*! \fn int deu_dma_buffer_free (u8 * dataptr, void *opt) - * \ingroup IFX_DMA_FUNCTIONS - * \brief callback function for freeing dma transmit descriptors - * \param dataptr data pointer to be freed - * \param opt not used -*/ -int deu_dma_buffer_free (u8 *dataptr, void *opt) -{ -#if 0 - printk("Trying to free memory buffer\n"); - if (dataptr == NULL && opt == NULL) - return 0; - else if (opt == NULL) { - kfree(dataptr); - return 1; - } - else if (dataptr == NULL) { - kfree(opt); - return 1; - } - else { - kfree(opt); - kfree(dataptr); - } -#endif - return 0; -} - diff --git a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_deu_dma.h b/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_deu_dma.h deleted file mode 100755 index 666009727..000000000 --- a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_deu_dma.h +++ /dev/null @@ -1,70 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \addtogroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_deu_dma.h - \ingroup IFX_DEU - \brief DMA deu driver header file -*/ - -#ifndef IFXMIPS_DEU_DMA_H -#define IFXMIPS_DEU_DMA_H - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/mm.h> -#include <linux/crypto.h> -#include <asm/scatterlist.h> -#include <asm/byteorder.h> -#include <linux/skbuff.h> -#include <linux/netdevice.h> - -// must match the size of memory block allocated for g_dma_block and g_dma_block2 -#define DEU_MAX_PACKET_SIZE (PAGE_SIZE >> 1) - -typedef struct ifx_deu_device { - struct dma_device_info *dma_device; - u8 *dst; - u8 *src; - int len; - int dst_count; - int src_count; - int recv_count; - int packet_size; - int packet_num; - wait_queue_t wait; -} _ifx_deu_device; - -extern _ifx_deu_device ifx_deu[1]; - -extern int deu_dma_intr_handler (struct dma_device_info *, int); -extern u8 *deu_dma_buffer_alloc (int, int *, void **); -extern int deu_dma_buffer_free (u8 *, void *); -extern void deu_dma_inactivate_poll(struct dma_device_info* dma_dev); -extern void deu_dma_activate_poll (struct dma_device_info* dma_dev); -extern struct dma_device_info* deu_dma_reserve(struct dma_device_info** dma_device); -extern int deu_dma_release(struct dma_device_info** dma_device); - -#endif /* IFMIPS_DEU_DMA_H */ diff --git a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_md5.c b/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_md5.c deleted file mode 100755 index cd484ab0d..000000000 --- a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_md5.c +++ /dev/null @@ -1,264 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_md5.c - \ingroup IFX_DEU - \brief MD5 encryption deu driver file -*/ - -/*! - \defgroup IFX_MD5_FUNCTIONS IFX_MD5_FUNCTIONS - \ingroup IFX_DEU - \brief ifx deu MD5 functions -*/ - -/*Project header files */ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/string.h> -#include <linux/crypto.h> -#include <linux/types.h> -#include <asm/byteorder.h> -#include "ifxmips_deu.h" - -#define MD5_DIGEST_SIZE 16 -#define MD5_HMAC_BLOCK_SIZE 64 -#define MD5_BLOCK_WORDS 16 -#define MD5_HASH_WORDS 4 -#define HASH_START IFX_HASH_CON - -static spinlock_t lock; -#define CRTCL_SECT_INIT spin_lock_init(&lock) -#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) -#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) - -struct md5_ctx { - u32 hash[MD5_HASH_WORDS]; - u32 block[MD5_BLOCK_WORDS]; - u64 byte_count; -}; - -extern int disable_deudma; - -/*! \fn static u32 endian_swap(u32 input) - * \ingroup IFX_MD5_FUNCTIONS - * \brief perform dword level endian swap - * \param input value of dword that requires to be swapped -*/ -static u32 endian_swap(u32 input) -{ - u8 *ptr = (u8 *)&input; - - return ((ptr[3] << 24) | (ptr[2] << 16) | (ptr[1] << 8) | ptr[0]); -} - -/*! \fn static void md5_transform(u32 *hash, u32 const *in) - * \ingroup IFX_MD5_FUNCTIONS - * \brief main interface to md5 hardware - * \param hash current hash value - * \param in 64-byte block of input -*/ -static void md5_transform(u32 *hash, u32 const *in) -{ - int i; - volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; - ulong flag; - - CRTCL_SECT_START; - - for (i = 0; i < 16; i++) { - hashs->MR = endian_swap(in[i]); - }; - - //wait for processing - while (hashs->controlr.BSY) { - // this will not take long - } - - CRTCL_SECT_END; -} - -/*! \fn static inline void md5_transform_helper(struct md5_ctx *ctx) - * \ingroup IFX_MD5_FUNCTIONS - * \brief interfacing function for md5_transform() - * \param ctx crypto context -*/ -static inline void md5_transform_helper(struct md5_ctx *ctx) -{ - //le32_to_cpu_array(ctx->block, sizeof(ctx->block) / sizeof(u32)); - md5_transform(ctx->hash, ctx->block); -} - -/*! \fn static void md5_init(struct crypto_tfm *tfm) - * \ingroup IFX_MD5_FUNCTIONS - * \brief initialize md5 hardware - * \param tfm linux crypto algo transform -*/ -static void md5_init(struct crypto_tfm *tfm) -{ - struct md5_ctx *mctx = crypto_tfm_ctx(tfm); - volatile struct deu_hash_t *hash = (struct deu_hash_t *) HASH_START; - - hash->controlr.SM = 1; - hash->controlr.ALGO = 1; // 1 = md5 0 = sha1 - hash->controlr.INIT = 1; // Initialize the hash operation by writing a '1' to the INIT bit. - - mctx->byte_count = 0; -} - -/*! \fn static void md5_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) - * \ingroup IFX_MD5_FUNCTIONS - * \brief on-the-fly md5 computation - * \param tfm linux crypto algo transform - * \param data input data - * \param len size of input data -*/ -static void md5_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) -{ - struct md5_ctx *mctx = crypto_tfm_ctx(tfm); - const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f); - - mctx->byte_count += len; - - if (avail > len) { - memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), - data, len); - return; - } - - memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), - data, avail); - - md5_transform_helper(mctx); - data += avail; - len -= avail; - - while (len >= sizeof(mctx->block)) { - memcpy(mctx->block, data, sizeof(mctx->block)); - md5_transform_helper(mctx); - data += sizeof(mctx->block); - len -= sizeof(mctx->block); - } - - memcpy(mctx->block, data, len); -} - -/*! \fn static void md5_final(struct crypto_tfm *tfm, u8 *out) - * \ingroup IFX_MD5_FUNCTIONS - * \brief compute final md5 value - * \param tfm linux crypto algo transform - * \param out final md5 output value -*/ -static void md5_final(struct crypto_tfm *tfm, u8 *out) -{ - struct md5_ctx *mctx = crypto_tfm_ctx(tfm); - const unsigned int offset = mctx->byte_count & 0x3f; - char *p = (char *)mctx->block + offset; - int padding = 56 - (offset + 1); - volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; - u32 flag; - - *p++ = 0x80; - if (padding < 0) { - memset(p, 0x00, padding + sizeof (u64)); - md5_transform_helper(mctx); - p = (char *)mctx->block; - padding = 56; - } - - memset(p, 0, padding); - mctx->block[14] = endian_swap(mctx->byte_count << 3); - mctx->block[15] = endian_swap(mctx->byte_count >> 29); - -#if 0 - le32_to_cpu_array(mctx->block, (sizeof(mctx->block) - - sizeof(u64)) / sizeof(u32)); -#endif - - md5_transform(mctx->hash, mctx->block); - - CRTCL_SECT_START; - - *((u32 *) out + 0) = endian_swap (hashs->D1R); - *((u32 *) out + 1) = endian_swap (hashs->D2R); - *((u32 *) out + 2) = endian_swap (hashs->D3R); - *((u32 *) out + 3) = endian_swap (hashs->D4R); - - CRTCL_SECT_END; - - // Wipe context - memset(mctx, 0, sizeof(*mctx)); -} - -/* - * \brief MD5 function mappings -*/ -static struct crypto_alg ifxdeu_md5_alg = { - .cra_name = "md5", - .cra_driver_name = "ifxdeu-md5", - .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = MD5_HMAC_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct md5_ctx), - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_md5_alg.cra_list), - .cra_u = { .digest = { - .dia_digestsize = MD5_DIGEST_SIZE, - .dia_init = md5_init, - .dia_update = md5_update, - .dia_final = md5_final } } -}; - -/*! \fn int __init ifxdeu_init_md5 (void) - * \ingroup IFX_MD5_FUNCTIONS - * \brief initialize md5 driver -*/ -int __init ifxdeu_init_md5 (void) -{ - int ret; - - if ((ret = crypto_register_alg(&ifxdeu_md5_alg))) - goto md5_err; - - CRTCL_SECT_INIT; - - printk (KERN_NOTICE "IFX DEU MD5 initialized%s.\n", disable_deudma ? "" : " (DMA)"); - return ret; - -md5_err: - printk(KERN_ERR "IFX DEU MD5 initialization failed!\n"); - return ret; -} - -/*! \fn void __exit ifxdeu_fini_md5 (void) - * \ingroup IFX_MD5_FUNCTIONS - * \brief unregister md5 driver -*/ - -void __exit ifxdeu_fini_md5 (void) -{ - crypto_unregister_alg (&ifxdeu_md5_alg); -} - diff --git a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_md5_hmac.c b/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_md5_hmac.c deleted file mode 100755 index fcd118e31..000000000 --- a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_md5_hmac.c +++ /dev/null @@ -1,307 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_md5_hmac.c - \ingroup IFX_DEU - \brief MD5-HMAC encryption deu driver file -*/ - -/*! - \defgroup IFX_MD5_HMAC_FUNCTIONS IFX_MD5_HMAC_FUNCTIONS - \ingroup IFX_DEU - \brief ifx md5-hmac driver functions -*/ - -/* Project Header files */ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/string.h> -#include <linux/crypto.h> -#include <linux/types.h> -#include <asm/byteorder.h> -#include "ifxmips_deu.h" - -#define MD5_DIGEST_SIZE 16 -#define MD5_HMAC_BLOCK_SIZE 64 -#define MD5_BLOCK_WORDS 16 -#define MD5_HASH_WORDS 4 -#define MD5_HMAC_DBN_TEMP_SIZE 1024 // size in dword, needed for dbn workaround -#define HASH_START IFX_HASH_CON - -static spinlock_t lock; -#define CRTCL_SECT_INIT spin_lock_init(&lock) -#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) -#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) - -struct md5_hmac_ctx { - u32 hash[MD5_HASH_WORDS]; - u32 block[MD5_BLOCK_WORDS]; - u64 byte_count; - u32 dbn; - u32 temp[MD5_HMAC_DBN_TEMP_SIZE]; -}; - -extern int disable_deudma; - -/*! \fn static u32 endian_swap(u32 input) - * \ingroup IFX_MD5_HMAC_FUNCTIONS - * \brief perform dword level endian swap - * \param input value of dword that requires to be swapped -*/ -static u32 endian_swap(u32 input) -{ - u8 *ptr = (u8 *)&input; - - return ((ptr[3] << 24) | (ptr[2] << 16) | (ptr[1] << 8) | ptr[0]); -} - -/*! \fn static void md5_hmac_transform(struct crypto_tfm *tfm, u32 const *in) - * \ingroup IFX_MD5_HMAC_FUNCTIONS - * \brief save input block to context - * \param tfm linux crypto algo transform - * \param in 64-byte block of input -*/ -static void md5_hmac_transform(struct crypto_tfm *tfm, u32 const *in) -{ - struct md5_hmac_ctx *mctx = crypto_tfm_ctx(tfm); - - memcpy(&mctx->temp[mctx->dbn<<4], in, 64); //dbn workaround - mctx->dbn += 1; - - if ( (mctx->dbn<<4) > MD5_HMAC_DBN_TEMP_SIZE ) - { - printk("MD5_HMAC_DBN_TEMP_SIZE exceeded\n"); - } - -} - -/*! \fn int md5_hmac_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) - * \ingroup IFX_MD5_HMAC_FUNCTIONS - * \brief sets md5 hmac key - * \param tfm linux crypto algo transform - * \param key input key - * \param keylen key length greater than 64 bytes IS NOT SUPPORTED -*/ -int md5_hmac_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) -{ - volatile struct deu_hash_t *hash = (struct deu_hash_t *) HASH_START; - int i, j; - u32 *in_key = (u32 *)key; - - hash->KIDX = 0x80000000; // reset all 16 words of the key to '0' - asm("sync"); - - j = 0; - for (i = 0; i < keylen; i+=4) - { - hash->KIDX = j; - asm("sync"); - hash->KEY = *((u32 *) in_key + j); - j++; - } - - return 0; -} - -/*! \fn void md5_hmac_init(struct crypto_tfm *tfm) - * \ingroup IFX_MD5_HMAC_FUNCTIONS - * \brief initialize md5 hmac context - * \param tfm linux crypto algo transform -*/ -void md5_hmac_init(struct crypto_tfm *tfm) -{ - struct md5_hmac_ctx *mctx = crypto_tfm_ctx(tfm); - - memset(mctx, 0, sizeof(struct md5_hmac_ctx)); - mctx->dbn = 0; //dbn workaround -} - -/*! \fn void md5_hmac_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) - * \ingroup IFX_MD5_HMAC_FUNCTIONS - * \brief on-the-fly md5 hmac computation - * \param tfm linux crypto algo transform - * \param data input data - * \param len size of input data -*/ -void md5_hmac_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) -{ - struct md5_hmac_ctx *mctx = crypto_tfm_ctx(tfm); - const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f); - - mctx->byte_count += len; - - if (avail > len) { - memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), - data, len); - return; - } - - memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), - data, avail); - - md5_hmac_transform(tfm, mctx->block); - data += avail; - len -= avail; - - while (len >= sizeof(mctx->block)) { - memcpy(mctx->block, data, sizeof(mctx->block)); - md5_hmac_transform(tfm, mctx->block); - data += sizeof(mctx->block); - len -= sizeof(mctx->block); - } - - memcpy(mctx->block, data, len); - -} - -/*! \fn void md5_hmac_final(struct crypto_tfm *tfm, u8 *out) - * \ingroup IFX_MD5_HMAC_FUNCTIONS - * \brief compute final md5 hmac value - * \param tfm linux crypto algo transform - * \param out final md5 hmac output value -*/ -void md5_hmac_final(struct crypto_tfm *tfm, u8 *out) -{ - struct md5_hmac_ctx *mctx = crypto_tfm_ctx(tfm); - const unsigned int offset = mctx->byte_count & 0x3f; - char *p = (char *)mctx->block + offset; - int padding = 56 - (offset + 1); - volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; - u32 flag; - int i = 0; - int dbn; - u32 *in = &mctx->temp[0]; - - *p++ = 0x80; - if (padding < 0) { - memset(p, 0x00, padding + sizeof (u64)); - md5_hmac_transform(tfm, mctx->block); - p = (char *)mctx->block; - padding = 56; - } - - memset(p, 0, padding); - mctx->block[14] = endian_swap((mctx->byte_count + 64) << 3); // need to add 512 bit of the IPAD operation - mctx->block[15] = 0x00000000; - - md5_hmac_transform(tfm, mctx->block); - - CRTCL_SECT_START; - - printk("dbn = %d\n", mctx->dbn); - hashs->DBN = mctx->dbn; - - *IFX_HASH_CON = 0x0703002D; //khs, go, init, ndc, endi, kyue, hmen, md5 - - //wait for processing - while (hashs->controlr.BSY) { - // this will not take long - } - -for (dbn = 0; dbn < mctx->dbn; dbn++) -{ - for (i = 0; i < 16; i++) { - hashs->MR = in[i]; - }; - - hashs->controlr.GO = 1; - asm("sync"); - - //wait for processing - while (hashs->controlr.BSY) { - // this will not take long - } - - in += 16; -} - - -#if 1 - //wait for digest ready - while (! hashs->controlr.DGRY) { - // this will not take long - } -#endif - - *((u32 *) out + 0) = hashs->D1R; - *((u32 *) out + 1) = hashs->D2R; - *((u32 *) out + 2) = hashs->D3R; - *((u32 *) out + 3) = hashs->D4R; - *((u32 *) out + 4) = hashs->D5R; - - CRTCL_SECT_END; -} - -/* - * \brief MD5_HMAC function mappings -*/ - -static struct crypto_alg ifxdeu_md5_hmac_alg = { - .cra_name = "hmac(md5)", - .cra_driver_name = "ifxdeu-md5_hmac", - .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = MD5_HMAC_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct md5_hmac_ctx), - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ifxdeu_md5_hmac_alg.cra_list), - .cra_u = { .digest = { - .dia_digestsize = MD5_DIGEST_SIZE, - .dia_setkey = md5_hmac_setkey, - .dia_init = md5_hmac_init, - .dia_update = md5_hmac_update, - .dia_final = md5_hmac_final } } -}; - -/*! \fn int __init ifxdeu_init_md5_hmac (void) - * \ingroup IFX_MD5_HMAC_FUNCTIONS - * \brief initialize md5 hmac driver -*/ -int __init ifxdeu_init_md5_hmac (void) -{ - int ret; - - if ((ret = crypto_register_alg(&ifxdeu_md5_hmac_alg))) - goto md5_hmac_err; - - CRTCL_SECT_INIT; - - printk (KERN_NOTICE "IFX DEU MD5_HMAC initialized%s.\n", disable_deudma ? "" : " (DMA)"); - return ret; - -md5_hmac_err: - printk(KERN_ERR "IFX DEU MD5_HMAC initialization failed!\n"); - return ret; -} - -/** \fn void __exit ifxdeu_fini_md5_hmac (void) - * \ingroup IFX_MD5_HMAC_FUNCTIONS - * \brief unregister md5 hmac driver -*/ -void __exit ifxdeu_fini_md5_hmac (void) -{ - crypto_unregister_alg (&ifxdeu_md5_hmac_alg); -} - diff --git a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_sha1.c b/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_sha1.c deleted file mode 100755 index 0802e2ccc..000000000 --- a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_sha1.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_sha1.c - \ingroup IFX_DEU - \brief SHA1 encryption deu driver file -*/ - -/*! - \defgroup IFX_SHA1_FUNCTIONS IFX_SHA1_FUNCTIONS - \ingroup IFX_DEU - \brief ifx deu sha1 functions -*/ - - -/* Project header */ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/mm.h> -#include <linux/crypto.h> -#include <linux/cryptohash.h> -#include <linux/types.h> -#include <asm/scatterlist.h> -#include <asm/byteorder.h> -#include "ifxmips_deu.h" - -#define SHA1_DIGEST_SIZE 20 -#define SHA1_HMAC_BLOCK_SIZE 64 -#define HASH_START IFX_HASH_CON - -static spinlock_t lock; -#define CRTCL_SECT_INIT spin_lock_init(&lock) -#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) -#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) - -/* - * \brief SHA1 private structure -*/ -struct sha1_ctx { - u64 count; - u32 state[5]; - u8 buffer[64]; -}; - -extern int disable_deudma; - - -/*! \fn static void sha1_transform (u32 *state, const u32 *in) - * \ingroup IFX_SHA1_FUNCTIONS - * \brief main interface to sha1 hardware - * \param state current state - * \param in 64-byte block of input -*/ -static void sha1_transform (u32 *state, const u32 *in) -{ - int i = 0; - volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; - u32 flag; - - CRTCL_SECT_START; - - for (i = 0; i < 16; i++) { - hashs->MR = in[i]; - }; - - //wait for processing - while (hashs->controlr.BSY) { - // this will not take long - } - - CRTCL_SECT_END; -} - -/*! \fn static void sha1_init(struct crypto_tfm *tfm) - * \ingroup IFX_SHA1_FUNCTIONS - * \brief initialize sha1 hardware - * \param tfm linux crypto algo transform -*/ -static void sha1_init(struct crypto_tfm *tfm) -{ - struct sha1_ctx *sctx = crypto_tfm_ctx(tfm); - - SHA_HASH_INIT; - - sctx->count = 0; -} - -/*! \fn static void sha1_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) - * \ingroup IFX_SHA1_FUNCTIONS - * \brief on-the-fly sha1 computation - * \param tfm linux crypto algo transform - * \param data input data - * \param len size of input data -*/ -static void sha1_update(struct crypto_tfm *tfm, const u8 *data, - unsigned int len) -{ - struct sha1_ctx *sctx = crypto_tfm_ctx(tfm); - unsigned int i, j; - - j = (sctx->count >> 3) & 0x3f; - sctx->count += len << 3; - - if ((j + len) > 63) { - memcpy (&sctx->buffer[j], data, (i = 64 - j)); - sha1_transform (sctx->state, (const u32 *)sctx->buffer); - for (; i + 63 < len; i += 64) { - sha1_transform (sctx->state, (const u32 *)&data[i]); - } - - j = 0; - } - else - i = 0; - - memcpy (&sctx->buffer[j], &data[i], len - i); -} - -/*! \fn static void sha1_final(struct crypto_tfm *tfm, u8 *out) - * \ingroup IFX_SHA1_FUNCTIONS - * \brief compute final sha1 value - * \param tfm linux crypto algo transform - * \param out final md5 output value -*/ -static void sha1_final(struct crypto_tfm *tfm, u8 *out) -{ - struct sha1_ctx *sctx = crypto_tfm_ctx(tfm); - u32 index, padlen; - u64 t; - u8 bits[8] = { 0, }; - static const u8 padding[64] = { 0x80, }; - volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; - ulong flag; - - t = sctx->count; - bits[7] = 0xff & t; - t >>= 8; - bits[6] = 0xff & t; - t >>= 8; - bits[5] = 0xff & t; - t >>= 8; - bits[4] = 0xff & t; - t >>= 8; - bits[3] = 0xff & t; - t >>= 8; - bits[2] = 0xff & t; - t >>= 8; - bits[1] = 0xff & t; - t >>= 8; - bits[0] = 0xff & t; - - /* Pad out to 56 mod 64 */ - index = (sctx->count >> 3) & 0x3f; - padlen = (index < 56) ? (56 - index) : ((64 + 56) - index); - sha1_update (tfm, padding, padlen); - - /* Append length */ - sha1_update (tfm, bits, sizeof bits); - - CRTCL_SECT_START; - - *((u32 *) out + 0) = hashs->D1R; - *((u32 *) out + 1) = hashs->D2R; - *((u32 *) out + 2) = hashs->D3R; - *((u32 *) out + 3) = hashs->D4R; - *((u32 *) out + 4) = hashs->D5R; - - CRTCL_SECT_END; - - // Wipe context - memset (sctx, 0, sizeof *sctx); -} - -/* - * \brief SHA1 function mappings -*/ -struct crypto_alg ifxdeu_sha1_alg = { - .cra_name = "sha1", - .cra_driver_name= "ifxdeu-sha1", - .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = SHA1_HMAC_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct sha1_ctx), - .cra_module = THIS_MODULE, - .cra_alignmask = 3, - .cra_list = LIST_HEAD_INIT(ifxdeu_sha1_alg.cra_list), - .cra_u = { .digest = { - .dia_digestsize = SHA1_DIGEST_SIZE, - .dia_init = sha1_init, - .dia_update = sha1_update, - .dia_final = sha1_final } } -}; - -/*! \fn int __init ifxdeu_init_sha1 (void) - * \ingroup IFX_SHA1_FUNCTIONS - * \brief initialize sha1 driver -*/ -int __init ifxdeu_init_sha1 (void) -{ - int ret; - - if ((ret = crypto_register_alg(&ifxdeu_sha1_alg))) - goto sha1_err; - - CRTCL_SECT_INIT; - - printk (KERN_NOTICE "IFX DEU SHA1 initialized%s.\n", disable_deudma ? "" : " (DMA)"); - return ret; - -sha1_err: - printk(KERN_ERR "IFX DEU SHA1 initialization failed!\n"); - return ret; -} - -/*! \fn void __exit ifxdeu_fini_sha1 (void) - * \ingroup IFX_SHA1_FUNCTIONS - * \brief unregister sha1 driver -*/ -void __exit ifxdeu_fini_sha1 (void) -{ - crypto_unregister_alg (&ifxdeu_sha1_alg); -} diff --git a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_sha1_hmac.c b/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_sha1_hmac.c deleted file mode 100755 index 59f0854c5..000000000 --- a/target/linux/ifxmips/files-2.6.33/drivers/crypto/ifxmips/ifxmips_sha1_hmac.c +++ /dev/null @@ -1,308 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> - * Copyright (C) 2009 Mohammad Firdaus - */ - -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_sha1_hmac.c - \ingroup IFX_DEU - \brief SHA1-HMAC deu driver file -*/ - -/*! - \defgroup IFX_SHA1_HMAC_FUNCTIONS IFX_SHA1_HMAC_FUNCTIONS - \ingroup IFX_DEU - \brief ifx sha1 hmac functions -*/ - - -/* Project header */ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/mm.h> -#include <linux/crypto.h> -#include <linux/cryptohash.h> -#include <linux/types.h> -#include <asm/scatterlist.h> -#include <asm/byteorder.h> -#include <linux/delay.h> -#include "ifxmips_deu.h" - -#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_SHA1_HMAC - -#define SHA1_DIGEST_SIZE 20 -#define SHA1_HMAC_BLOCK_SIZE 64 -#define SHA1_HMAC_DBN_TEMP_SIZE 1024 // size in dword, needed for dbn workaround -#define HASH_START IFX_HASH_CON - -static spinlock_t lock; -#define CRTCL_SECT_INIT spin_lock_init(&lock) -#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) -#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) - -struct sha1_hmac_ctx { - u64 count; - u32 state[5]; - u8 buffer[64]; - u32 dbn; - u32 temp[SHA1_HMAC_DBN_TEMP_SIZE]; -}; - -extern int disable_deudma; - -/*! \fn static void sha1_hmac_transform(struct crypto_tfm *tfm, u32 const *in) - * \ingroup IFX_SHA1_HMAC_FUNCTIONS - * \brief save input block to context - * \param tfm linux crypto algo transform - * \param in 64-byte block of input -*/ -static void sha1_hmac_transform(struct crypto_tfm *tfm, u32 const *in) -{ - struct sha1_hmac_ctx *sctx = crypto_tfm_ctx(tfm); - - memcpy(&sctx->temp[sctx->dbn<<4], in, 64); //dbn workaround - sctx->dbn += 1; - - if ( (sctx->dbn<<4) > SHA1_HMAC_DBN_TEMP_SIZE ) - { - printk("SHA1_HMAC_DBN_TEMP_SIZE exceeded\n"); - } - -} - -/*! \fn int sha1_hmac_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) - * \ingroup IFX_SHA1_HMAC_FUNCTIONS - * \brief sets sha1 hmac key - * \param tfm linux crypto algo transform - * \param key input key - * \param keylen key length greater than 64 bytes IS NOT SUPPORTED -*/ -int sha1_hmac_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) -{ - volatile struct deu_hash_t *hash = (struct deu_hash_t *) HASH_START; - int i, j; - u32 *in_key = (u32 *)key; - - hash->KIDX = 0x80000000; // reset all 16 words of the key to '0' - asm("sync"); - - j = 0; - for (i = 0; i < keylen; i+=4) - { - hash->KIDX = j; - asm("sync"); - hash->KEY = *((u32 *) in_key + j); - j++; - } - - return 0; -} - -/*! \fn void sha1_hmac_init(struct crypto_tfm *tfm) - * \ingroup IFX_SHA1_HMAC_FUNCTIONS - * \brief initialize sha1 hmac context - * \param tfm linux crypto algo transform -*/ -void sha1_hmac_init(struct crypto_tfm *tfm) -{ - struct sha1_hmac_ctx *sctx = crypto_tfm_ctx(tfm); - - memset(sctx, 0, sizeof(struct sha1_hmac_ctx)); - sctx->dbn = 0; //dbn workaround -} - -/*! \fn static void sha1_hmac_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) - * \ingroup IFX_SHA1_HMAC_FUNCTIONS - * \brief on-the-fly sha1 hmac computation - * \param tfm linux crypto algo transform - * \param data input data - * \param len size of input data -*/ -static void sha1_hmac_update(struct crypto_tfm *tfm, const u8 *data, - unsigned int len) -{ - struct sha1_hmac_ctx *sctx = crypto_tfm_ctx(tfm); - unsigned int i, j; - - j = (sctx->count >> 3) & 0x3f; - sctx->count += len << 3; - //printk("sctx->count = %d\n", (sctx->count >> 3)); - - if ((j + len) > 63) { - memcpy (&sctx->buffer[j], data, (i = 64 - j)); - sha1_hmac_transform (tfm, (const u32 *)sctx->buffer); - for (; i + 63 < len; i += 64) { - sha1_hmac_transform (tfm, (const u32 *)&data[i]); - } - - j = 0; - } - else - i = 0; - - memcpy (&sctx->buffer[j], &data[i], len - i); -} - -/*! \fn static void sha1_hmac_final(struct crypto_tfm *tfm, u8 *out) - * \ingroup IFX_SHA1_HMAC_FUNCTIONS - * \brief ompute final sha1 hmac value - * \param tfm linux crypto algo transform - * \param out final sha1 hmac output value -*/ -static void sha1_hmac_final(struct crypto_tfm *tfm, u8 *out) -{ - struct sha1_hmac_ctx *sctx = crypto_tfm_ctx(tfm); - u32 index, padlen; - u64 t; - u8 bits[8] = { 0, }; - static const u8 padding[64] = { 0x80, }; - volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; - ulong flag; - int i = 0; - int dbn; - u32 *in = &sctx->temp[0]; - - t = sctx->count + 512; // need to add 512 bit of the IPAD operation - bits[7] = 0xff & t; - t >>= 8; - bits[6] = 0xff & t; - t >>= 8; - bits[5] = 0xff & t; - t >>= 8; - bits[4] = 0xff & t; - t >>= 8; - bits[3] = 0xff & t; - t >>= 8; - bits[2] = 0xff & t; - t >>= 8; - bits[1] = 0xff & t; - t >>= 8; - bits[0] = 0xff & t; - - /* Pad out to 56 mod 64 */ - index = (sctx->count >> 3) & 0x3f; - padlen = (index < 56) ? (56 - index) : ((64 + 56) - index); - sha1_hmac_update (tfm, padding, padlen); - - /* Append length */ - sha1_hmac_update (tfm, bits, sizeof bits); - - CRTCL_SECT_START; - - hashs->DBN = sctx->dbn; - - //for vr9 change, ENDI = 1 - *IFX_HASH_CON = HASH_CON_VALUE; - - //wait for processing - while (hashs->controlr.BSY) { - // this will not take long - } - - for (dbn = 0; dbn < sctx->dbn; dbn++) - { - for (i = 0; i < 16; i++) { - hashs->MR = in[i]; - }; - - hashs->controlr.GO = 1; - asm("sync"); - - //wait for processing - while (hashs->controlr.BSY) { - // this will not take long - } - - in += 16; -} - - -#if 1 - //wait for digest ready - while (! hashs->controlr.DGRY) { - // this will not take long - } -#endif - - *((u32 *) out + 0) = hashs->D1R; - *((u32 *) out + 1) = hashs->D2R; - *((u32 *) out + 2) = hashs->D3R; - *((u32 *) out + 3) = hashs->D4R; - *((u32 *) out + 4) = hashs->D5R; - - CRTCL_SECT_END; -} - -/* - * \brief SHA1-HMAC function mappings -*/ - -struct crypto_alg ifxdeu_sha1_hmac_alg = { - .cra_name = "hmac(sha1)", - .cra_driver_name= "ifxdeu-sha1_hmac", - .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = SHA1_HMAC_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct sha1_hmac_ctx), - .cra_module = THIS_MODULE, - .cra_alignmask = 3, - .cra_list = LIST_HEAD_INIT(ifxdeu_sha1_hmac_alg.cra_list), - .cra_u = { .digest = { - .dia_digestsize = SHA1_DIGEST_SIZE, - .dia_setkey = sha1_hmac_setkey, - .dia_init = sha1_hmac_init, - .dia_update = sha1_hmac_update, - .dia_final = sha1_hmac_final } } -}; - - -/*! \fn int __init ifxdeu_init_sha1_hmac (void) - * \ingroup IFX_SHA1_HMAC_FUNCTIONS - * \brief initialize sha1 hmac driver -*/ -int __init ifxdeu_init_sha1_hmac (void) -{ - int ret; - - if ((ret = crypto_register_alg(&ifxdeu_sha1_hmac_alg))) - goto sha1_err; - - CRTCL_SECT_INIT; - - printk (KERN_NOTICE "IFX DEU SHA1_HMAC initialized%s.\n", disable_deudma ? "" : " (DMA)"); - return ret; - -sha1_err: - printk(KERN_ERR "IFX DEU SHA1_HMAC initialization failed!\n"); - return ret; -} - -/*! \fn void __exit ifxdeu_fini_sha1_hmac (void) - * \ingroup IFX_SHA1_HMAC_FUNCTIONS - * \brief unregister sha1 hmac driver -*/ -void __exit ifxdeu_fini_sha1_hmac (void) -{ - crypto_unregister_alg (&ifxdeu_sha1_hmac_alg); -} - -#endif |