| /* $OpenBSD: sha1.h,v 1.24 2012/12/05 23:19:57 deraadt Exp $ */ |
| |
| /* |
| * SHA-1 in C |
| * By Steve Reid <steve@edmweb.com> |
| * 100% Public Domain |
| */ |
| |
| #ifndef _SHA1_H |
| #define _SHA1_H |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #define SHA1_BLOCK_LENGTH 64 |
| #define SHA1_DIGEST_LENGTH 20 |
| #define SHA1_DIGEST_STRING_LENGTH (SHA1_DIGEST_LENGTH * 2 + 1) |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| typedef struct _SHA1_CTX { |
| uint32_t state[5]; |
| uint64_t count; |
| uint8_t buffer[SHA1_BLOCK_LENGTH]; |
| } SHA1_CTX; |
| |
| 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 *); |
| |
| #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) |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _SHA1_H */ |
