/* $OpenBSD: sha1.h,v 1.5 2007/09/10 22:19:42 henric Exp $ */ /* * SHA-1 in C * By Steve Reid <steve@edmweb.com> * 100% Public Domain */ #ifndef _SHA1_H_ #define _SHA1_H_ #define SHA1_BLOCK_LENGTH 64 #define SHA1_DIGEST_LENGTH 20 typedef struct { u_int32_t state[5]; u_int64_t count; unsigned char buffer[SHA1_BLOCK_LENGTH]; } SHA1_CTX; void SHA1Init(SHA1_CTX * context); void SHA1Transform(u_int32_t state[5], const unsigned char buffer[SHA1_BLOCK_LENGTH]); void SHA1Update(SHA1_CTX *context, const unsigned char *data, unsigned int len); void SHA1Final(unsigned char digest[SHA1_DIGEST_LENGTH], SHA1_CTX *context); #endif /* _SHA1_H_ */