/* $OpenBSD: sha1.h,v 1.24 2012/12/05 23:19:57 deraadt Exp $ */ /* * SHA-1 in C * By Steve Reid * 100% Public Domain */ #ifndef _SHA1_H #define _SHA1_H #include #include #define SHA1_BLOCK_LENGTH 64 #define SHA1_DIGEST_LENGTH 20 #define SHA1_DIGEST_STRING_LENGTH (SHA1_DIGEST_LENGTH * 2 + 1) typedef struct { uint32_t state[5]; uint64_t count; uint8_t buffer[SHA1_BLOCK_LENGTH]; } SHA1_CTX; #ifdef __cplusplus extern "C" { #endif void SHA1Init(SHA1_CTX *); void SHA1Pad(SHA1_CTX *); void SHA1Transform(uint32_t [5], const uint8_t [SHA1_BLOCK_LENGTH]); void SHA1Update(SHA1_CTX *, const uint8_t *, size_t); void SHA1Final(uint8_t [SHA1_DIGEST_LENGTH], SHA1_CTX *); char *SHA1End(SHA1_CTX *, char *); char *SHA1File(const char *, char *); char *SHA1FileChunk(const char *, char *, off_t, off_t); char *SHA1Data(const uint8_t *, size_t, char *); #ifdef __cplusplus } #endif #define HTONDIGEST(x) do { \ x[0] = htonl(x[0]); \ x[1] = htonl(x[1]); \ x[2] = htonl(x[2]); \ x[3] = htonl(x[3]); \ x[4] = htonl(x[4]); } while (0) #define NTOHDIGEST(x) do { \ x[0] = ntohl(x[0]); \ x[1] = ntohl(x[1]); \ x[2] = ntohl(x[2]); \ x[3] = ntohl(x[3]); \ x[4] = ntohl(x[4]); } while (0) #endif /* _SHA1_H */