summaryrefslogtreecommitdiffstats
path: root/target/linux/realtek/files/drivers/net/wireless/rtl8192e/1x_md5c.c
diff options
context:
space:
mode:
authorRoman Yeryomin <roman@advem.lv>2013-05-17 20:40:24 +0300
committerRoman Yeryomin <roman@advem.lv>2013-05-17 20:40:24 +0300
commite6d87036412b952cb083eff2dc716aee97a771f2 (patch)
tree273dd3daaa85553832d3cc6d48276229dc7fbe09 /target/linux/realtek/files/drivers/net/wireless/rtl8192e/1x_md5c.c
parenta18fec42221baa52fff4c5ffd45ec8f32e3add36 (diff)
Move to rsdk 3.2.4. Compiles cleanly.
Signed-off-by: Roman Yeryomin <roman@advem.lv>
Diffstat (limited to 'target/linux/realtek/files/drivers/net/wireless/rtl8192e/1x_md5c.c')
-rw-r--r--target/linux/realtek/files/drivers/net/wireless/rtl8192e/1x_md5c.c418
1 files changed, 418 insertions, 0 deletions
diff --git a/target/linux/realtek/files/drivers/net/wireless/rtl8192e/1x_md5c.c b/target/linux/realtek/files/drivers/net/wireless/rtl8192e/1x_md5c.c
new file mode 100644
index 000000000..aa4a434f2
--- /dev/null
+++ b/target/linux/realtek/files/drivers/net/wireless/rtl8192e/1x_md5c.c
@@ -0,0 +1,418 @@
+/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
+rights reserved.
+
+License to copy and use this software is granted provided that it
+is identified as the "RSA Data Security, Inc. MD5 Message-Digest
+Algorithm" in all material mentioning or referencing this software
+or this function.
+
+License is also granted to make and use derivative works provided
+that such works are identified as "derived from the RSA Data
+Security, Inc. MD5 Message-Digest Algorithm" in all material
+mentioning or referencing the derived work.
+
+RSA Data Security, Inc. makes no representations concerning either
+the merchantability of this software or the suitability of this
+software for any particular purpose. It is provided "as is"
+without express or implied warranty of any kind.
+
+These notices must be retained in any copies of any part of this
+documentation and/or software.
+ */
+
+//#include "8021x.h"
+#include "./8192cd_cfg.h"
+
+#if defined(INCLUDE_WPA_PSK) || defined(WIFI_HAPD)
+
+#include "1x_md5c.h"
+
+#define S11 7
+#define S12 12
+#define S13 17
+#define S14 22
+#define S21 5
+#define S22 9
+#define S23 14
+#define S24 20
+#define S31 4
+#define S32 11
+#define S33 16
+#define S34 23
+#define S41 6
+#define S42 10
+#define S43 15
+#define S44 21
+
+static void MD5Transform(UINT4 [4], UINT8 [64]);
+static void Encode(UINT8 *, UINT4 *, UINT32);
+static void Decode(UINT4 *, UINT8 *, UINT32);
+static void MD5_memcpy(POINTER, POINTER, UINT32);
+static void MD5_memset(POINTER, int, UINT32);
+
+static UINT8 PADDING[64] = {
+ 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+/* F, G, H and I are basic MD5 functions.
+ */
+#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
+#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
+#define H(x, y, z) ((x) ^ (y) ^ (z))
+#define I(x, y, z) ((y) ^ ((x) | (~z)))
+
+/* ROTATE_LEFT rotates x left n bits.
+ */
+#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
+
+/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
+Rotation is separate from addition to prevent recomputation.
+ */
+#define FF(a, b, c, d, x, s, ac) { \
+ (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+ }
+#define GG(a, b, c, d, x, s, ac) { \
+ (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+ }
+#define HH(a, b, c, d, x, s, ac) { \
+ (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+ }
+#define II(a, b, c, d, x, s, ac) { \
+ (a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+ }
+
+/* MD5 initialization. Begins an MD5 operation, writing a new context.
+ */
+void wlan_MD5_Init (context)
+MD5_CTX *context; /* context */
+{
+ context->count[0] = context->count[1] = 0;
+ /* Load magic initialization constants.
+*/
+ context->state[0] = 0x67452301;
+ context->state[1] = 0xefcdab89;
+ context->state[2] = 0x98badcfe;
+ context->state[3] = 0x10325476;
+}
+
+/* MD5 block update operation. Continues an MD5 message-digest
+ operation, processing another message block, and updating the
+ context.
+ */
+void wlan_MD5_Update (context, input, inputLen)
+MD5_CTX *context; /* context */
+UINT8 *input; /* input block */
+UINT32 inputLen; /* length of input block */
+{
+ UINT32 i, index, partLen;
+
+ /* Compute number of bytes mod 64 */
+ index = (UINT32)((context->count[0] >> 3) & 0x3F);
+
+ /* Update number of bits */
+ if ((context->count[0] += ((UINT4)inputLen << 3))
+
+ < ((UINT4)inputLen << 3))
+ context->count[1]++;
+ context->count[1] += ((UINT4)inputLen >> 29);
+
+ partLen = 64 - index;
+
+ /* Transform as many times as possible.
+*/
+ if (inputLen >= partLen) {
+ MD5_memcpy
+ ((POINTER)&context->buffer[index], (POINTER)input, partLen);
+ MD5Transform (context->state, context->buffer);
+
+ for (i = partLen; i + 63 < inputLen; i += 64)
+ MD5Transform (context->state, &input[i]);
+
+ index = 0;
+ }
+ else
+ i = 0;
+
+ /* Buffer remaining input */
+ MD5_memcpy
+ ((POINTER)&context->buffer[index], (POINTER)&input[i],
+ inputLen-i);
+}
+
+/* MD5 finalization. Ends an MD5 message-digest operation, writing the
+ the message digest and zeroizing the context.
+ */
+void wlan_MD5_Final (digest, context)
+UINT8 digest[16]; /* message digest */
+MD5_CTX *context; /* context */
+{
+ UINT8 bits[8];
+ UINT32 index, padLen;
+
+ /* Save number of bits */
+ Encode (bits, context->count, 8);
+
+ /* Pad out to 56 mod 64.
+*/
+ index = (UINT32)((context->count[0] >> 3) & 0x3f);
+ padLen = (index < 56) ? (56 - index) : (120 - index);
+ wlan_MD5_Update (context, PADDING, padLen);
+
+ /* Append length (before padding) */
+ wlan_MD5_Update (context, bits, 8);
+
+ /* Store state in digest */
+ Encode (digest, context->state, 16);
+
+ /* Zeroize sensitive information.
+*/
+ MD5_memset ((POINTER)context, 0, sizeof (*context));
+}
+
+/* MD5 basic transformation. Transforms state based on block.
+ */
+static void MD5Transform (state, block)
+UINT4 state[4];
+UINT8 block[64];
+{
+ UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
+
+ Decode (x, block, 64);
+
+ /* Round 1 */
+ FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
+ FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
+ FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
+ FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
+ FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
+ FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
+ FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
+ FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
+ FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
+ FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
+ FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
+ FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
+ FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
+ FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
+ FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
+ FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
+
+ /* Round 2 */
+ GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
+ GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
+ GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
+ GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
+ GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
+ GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */
+ GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
+ GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
+ GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
+ GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
+ GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
+
+ GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
+ GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
+ GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
+ GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
+ GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
+
+ /* Round 3 */
+ HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
+ HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
+ HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
+ HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
+ HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
+ HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
+ HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
+ HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
+ HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
+ HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
+ HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
+ HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */
+ HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
+ HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
+ HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
+ HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
+
+ /* Round 4 */
+ II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
+ II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
+ II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
+ II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
+ II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
+ II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
+ II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
+ II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
+ II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
+ II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
+ II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
+ II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
+ II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
+ II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
+ II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
+ II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
+
+ state[0] += a;
+ state[1] += b;
+ state[2] += c;
+ state[3] += d;
+
+ /* Zeroize sensitive information.
+
+*/
+ MD5_memset ((POINTER)x, 0, sizeof (x));
+}
+
+/* Encodes input (UINT4) into output (UINT8). Assumes len is
+ a multiple of 4.
+ */
+static void Encode (output, input, len)
+UINT8 *output;
+UINT4 *input;
+UINT32 len;
+{
+ UINT32 i, j;
+
+ for (i = 0, j = 0; j < len; i++, j += 4) {
+ output[j] = (UINT8)(input[i] & 0xff);
+ output[j+1] = (UINT8)((input[i] >> 8) & 0xff);
+ output[j+2] = (UINT8)((input[i] >> 16) & 0xff);
+ output[j+3] = (UINT8)((input[i] >> 24) & 0xff);
+ }
+}
+
+/* Decodes input (UINT8) into output (UINT4). Assumes len is
+ a multiple of 4.
+ */
+static void Decode (output, input, len)
+UINT4 *output;
+UINT8 *input;
+UINT32 len;
+{
+ UINT32 i, j;
+
+ for (i = 0, j = 0; j < len; i++, j += 4)
+ output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
+ (((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
+}
+
+/* Note: Replace "for loop" with standard memcpy if possible.
+ */
+
+static void MD5_memcpy (output, input, len)
+POINTER output;
+POINTER input;
+UINT32 len;
+{
+ UINT32 i;
+
+ for (i = 0; i < len; i++)
+
+ output[i] = input[i];
+}
+
+/* Note: Replace "for loop" with standard memset if possible.
+ */
+static void MD5_memset (output, value, len)
+POINTER output;
+int value;
+UINT32 len;
+{
+ UINT32 i;
+
+ for (i = 0; i < len; i++)
+ ((char *)output)[i] = (char)value;
+}
+
+
+
+#if 0
+/*
+UINT8* text; pointer to data stream
+int text_len; length of data stream
+UINT8* key; pointer to authentication key
+int key_len; length of authentication key
+UINT8* digest; caller digest to be filled in
+*/
+void hmac_md5(UINT8 *text, INT32 text_len, UINT8 *key, INT32 key_len,UINT8 *digest)
+{
+ MD5_CTX context;
+ UINT8 k_ipad[65]; /* inner padding -
+ * key XORd with ipad
+ */
+ UINT8 k_opad[65]; /* outer padding -
+ * key XORd with opad
+ */
+ UINT8 tk[16];
+ int i;
+ /* if key is longer than 64 bytes reset it to key=MD5(key) */
+ if (key_len > 64) {
+
+ MD5_CTX tctx;
+
+ MD5Init(&tctx);
+ MD5Update(&tctx, key, key_len);
+ MD5Final(tk, &tctx);
+
+ key = tk;
+ key_len = 16;
+ }
+
+ /*
+ * the HMAC_MD5 transform looks like:
+ *
+ * MD5(K XOR opad, MD5(K XOR ipad, text))
+ *
+ * where K is an n byte key
+ * ipad is the byte 0x36 repeated 64 times
+ * opad is the byte 0x5c repeated 64 times
+ * and text is the data being protected
+ */
+
+ /* start out by storing key in pads */
+ memset(k_ipad, 0x0, sizeof(k_ipad));
+ memset(k_opad, 0x0, sizeof(k_opad));
+ memcpy(k_ipad, key, key_len);
+ memcpy(k_opad, key, key_len);
+
+ //bzero( k_ipad, sizeof k_ipad);
+ //bzero( k_opad, sizeof k_opad);
+ //bcopy( key, k_ipad, key_len);
+ //bcopy( key, k_opad, key_len);
+
+
+ /* XOR key with ipad and opad values */
+ for (i=0; i<64; i++) {
+ k_ipad[i] ^= 0x36;
+ k_opad[i] ^= 0x5c;
+ }
+ /*
+ * perform inner MD5
+ */
+ MD5Init(&context); /* init context for 1st
+ * pass */
+ MD5Update(&context, k_ipad, 64); /* start with inner pad */
+ MD5Update(&context, text, text_len); /* then text of datagram */
+ MD5Final(digest, &context); /* finish up 1st pass */
+ /*
+ * perform outer MD5
+ */
+ MD5Init(&context); /* init context for 2nd
+ * pass */
+ MD5Update(&context, k_opad, 64); /* start with outer pad */
+ MD5Update(&context, digest, 16); /* then results of 1st
+ * hash */
+ MD5Final(digest, &context); /* finish up 2nd pass */
+}
+#endif
+#endif // INCLUDE_WPA_PSK