#ifndef SHA1_H #define SHA1_H #include #include #define __LITTLE_ENDIAN__ //#define __BIG_ENDIAN__ namespace sha1 { /* This code is public-domain - it is based on libcrypt * placed in the public domain by Wei Dai and other contributors. */ // gcc -Wall -DSHA1TEST -o sha1test sha1.c && ./sha1test #ifdef __BIG_ENDIAN__ # define SHA_BIG_ENDIAN #elif defined __LITTLE_ENDIAN__ /* override */ #elif defined __BYTE_ORDER # if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ # define SHA_BIG_ENDIAN # endif #else // ! defined __LITTLE_ENDIAN__ # include // machine/endian.h # if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ # define SHA_BIG_ENDIAN # endif #endif /* header */ #define HASH_LENGTH 20 #define BLOCK_LENGTH 64 typedef struct sha1nfo { uint32_t buffer[BLOCK_LENGTH/4]; uint32_t state[HASH_LENGTH/4]; uint32_t byteCount; uint8_t bufferOffset; uint8_t keyBuffer[BLOCK_LENGTH]; uint8_t innerHash[HASH_LENGTH]; } sha1nfo; /* public API - prototypes - TODO: doxygen*/ /** */ void sha1_init(sha1nfo *s); /** */ void sha1_writebyte(sha1nfo *s, uint8_t data); /** */ void sha1_write(sha1nfo *s, const char *data, size_t len); /** */ uint8_t* sha1_result(sha1nfo *s); /** */ void sha1_initHmac(sha1nfo *s, const uint8_t* key, int keyLength); /** */ uint8_t* sha1_resultHmac(sha1nfo *s); } #endif //SHA1_H