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#ifndef WAPICRYPTO_H
#define WAPICRYPTO_H 1
#define ENCRYPT 0
#define DECRYPT 1
/**
* \brief SHA-256 context structure
*/
typedef struct
{
unsigned long total[2]; /*!< number of bytes processed */
unsigned long state[8]; /*!< intermediate digest state */
unsigned char buffer[64]; /*!< data block being processed */
unsigned char ipad[64]; /*!< HMAC: inner padding */
unsigned char opad[64]; /*!< HMAC: outer padding */
int is224; /*!< 0 => SHA-256, else SHA-224 */
}
sha2_context;
/**
* \brief SHA-256 context setup
*
* \param ctx context to be initialized
* \param is224 0 = use SHA256, 1 = use SHA224
*/
void sha2_starts( sha2_context *ctx, int is224 );
/**
* \brief SHA-256 process buffer
*
* \param ctx SHA-256 context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void sha2_update( sha2_context *ctx, unsigned char *input, int ilen );
/**
* \brief SHA-256 final digest
*
* \param ctx SHA-256 context
* \param output SHA-224/256 checksum result
*/
void sha2_finish( sha2_context *ctx, unsigned char output[32] );
/**
* \brief Output = SHA-256( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output SHA-224/256 checksum result
* \param is224 0 = use SHA256, 1 = use SHA224
*/
void sha2( unsigned char *input, int ilen,
unsigned char output[32], int is224 );
#if 0
/**
* \brief Output = SHA-256( file contents )
*
* \param path input file name
* \param output SHA-224/256 checksum result
* \param is224 0 = use SHA256, 1 = use SHA224
*
* \return 0 if successful, 1 if fopen failed,
* or 2 if fread failed
*/
int sha2_file( char *path, unsigned char output[32], int is224 );
#endif
/**
* \brief SHA-256 HMAC context setup
*
* \param ctx HMAC context to be initialized
* \param key HMAC secret key
* \param keylen length of the HMAC key
* \param is224 0 = use SHA256, 1 = use SHA224
*/
void sha2_hmac_starts( sha2_context *ctx, unsigned char *key, int keylen,
int is224 );
/**
* \brief SHA-256 HMAC process buffer
*
* \param ctx HMAC context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void sha2_hmac_update( sha2_context *ctx, unsigned char *input, int ilen );
/**
* \brief SHA-256 HMAC final digest
*
* \param ctx HMAC context
* \param output SHA-224/256 HMAC checksum result
*/
void sha2_hmac_finish( sha2_context *ctx, unsigned char output[32] );
/**
* \brief Output = HMAC-SHA-256( hmac key, input buffer )
*
* \param key HMAC secret key
* \param keylen length of the HMAC key
* \param input buffer holding the data
* \param ilen length of the input data
* \param output HMAC-SHA-224/256 result
* \param is224 0 = use SHA256, 1 = use SHA224
*/
void sha2_hmac( unsigned char *key, int keylen,
unsigned char *input, int ilen,
unsigned char output[32], int is224 );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int sha2_self_test( int verbose );
typedef struct _WPISMS4HEADER {
uint8 keyIdx;
uint8 reserved;
uint8 pn[WAPI_PN_LEN];
uint8 data[0];
} wpiSMS4Hdr;
//extern unsigned short rtl_SMS4_rxSeq[RX_QUEUE_NUM];
/*
* output = HMAC-SHA-256 ( hmac key, input buffer )
*/
void sha256_hmac( unsigned char *key, int keylen,
unsigned char *input, int ilen,
unsigned char *output, int hlen);
void KD_hmac_sha256( unsigned char *key, int keylen,
unsigned char *input, int ilen,
unsigned char *output, int hlen);
void WapiSMS4ForMNKEncrypt(uint8 *key, uint8*IV, uint8*input, uint32 inputLength, uint8 *output, uint8 *outputLength, uint32 CryptFlag);
void GenerateRandomData(unsigned char * data, unsigned int len);
int32 init_SMS4_CK_Sbox(void);
int32 SecSWSMS4Decryption(struct rtl8192cd_priv *priv, struct stat_info *pstat, struct rx_frinfo* pfrinfo);
#endif /* WAPICRYPTO_H */
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