1b8e80941Smrg/* $OpenBSD: sha1.h,v 1.24 2012/12/05 23:19:57 deraadt Exp $ */ 2b8e80941Smrg 3b8e80941Smrg/* 4b8e80941Smrg * SHA-1 in C 5b8e80941Smrg * By Steve Reid <steve@edmweb.com> 6b8e80941Smrg * 100% Public Domain 7b8e80941Smrg */ 8b8e80941Smrg 9b8e80941Smrg#ifndef _SHA1_H 10b8e80941Smrg#define _SHA1_H 11b8e80941Smrg 12b8e80941Smrg#include <stddef.h> 13b8e80941Smrg#include <stdint.h> 14b8e80941Smrg 15b8e80941Smrg#define SHA1_BLOCK_LENGTH 64 16b8e80941Smrg#define SHA1_DIGEST_LENGTH 20 17b8e80941Smrg#define SHA1_DIGEST_STRING_LENGTH (SHA1_DIGEST_LENGTH * 2 + 1) 18b8e80941Smrg 19b8e80941Smrg#ifdef __cplusplus 20b8e80941Smrgextern "C" { 21b8e80941Smrg#endif 22b8e80941Smrg 23b8e80941Smrgtypedef struct _SHA1_CTX { 24b8e80941Smrg uint32_t state[5]; 25b8e80941Smrg uint64_t count; 26b8e80941Smrg uint8_t buffer[SHA1_BLOCK_LENGTH]; 27b8e80941Smrg} SHA1_CTX; 28b8e80941Smrg 29b8e80941Smrgvoid SHA1Init(SHA1_CTX *); 30b8e80941Smrgvoid SHA1Pad(SHA1_CTX *); 31b8e80941Smrgvoid SHA1Transform(uint32_t [5], const uint8_t [SHA1_BLOCK_LENGTH]); 32b8e80941Smrgvoid SHA1Update(SHA1_CTX *, const uint8_t *, size_t); 33b8e80941Smrgvoid SHA1Final(uint8_t [SHA1_DIGEST_LENGTH], SHA1_CTX *); 34b8e80941Smrg 35b8e80941Smrg#define HTONDIGEST(x) do { \ 36b8e80941Smrg x[0] = htonl(x[0]); \ 37b8e80941Smrg x[1] = htonl(x[1]); \ 38b8e80941Smrg x[2] = htonl(x[2]); \ 39b8e80941Smrg x[3] = htonl(x[3]); \ 40b8e80941Smrg x[4] = htonl(x[4]); } while (0) 41b8e80941Smrg 42b8e80941Smrg#define NTOHDIGEST(x) do { \ 43b8e80941Smrg x[0] = ntohl(x[0]); \ 44b8e80941Smrg x[1] = ntohl(x[1]); \ 45b8e80941Smrg x[2] = ntohl(x[2]); \ 46b8e80941Smrg x[3] = ntohl(x[3]); \ 47b8e80941Smrg x[4] = ntohl(x[4]); } while (0) 48b8e80941Smrg 49b8e80941Smrg#ifdef __cplusplus 50b8e80941Smrg} 51b8e80941Smrg#endif 52b8e80941Smrg 53b8e80941Smrg#endif /* _SHA1_H */ 54