Damien Miller | 81bfbd0 | 2015-01-14 21:48:18 +1100 | [diff] [blame] | 1 | /* $OpenBSD: sha1.h,v 1.24 2012/12/05 23:19:57 deraadt Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * SHA-1 in C |
| 5 | * By Steve Reid <steve@edmweb.com> |
| 6 | * 100% Public Domain |
| 7 | */ |
| 8 | |
| 9 | #ifndef _SHA1_H |
| 10 | #define _SHA1_H |
| 11 | |
| 12 | #ifndef WITH_OPENSSL |
| 13 | |
| 14 | #define SHA1_BLOCK_LENGTH 64 |
| 15 | #define SHA1_DIGEST_LENGTH 20 |
| 16 | #define SHA1_DIGEST_STRING_LENGTH (SHA1_DIGEST_LENGTH * 2 + 1) |
| 17 | |
| 18 | typedef struct { |
| 19 | u_int32_t state[5]; |
| 20 | u_int64_t count; |
| 21 | u_int8_t buffer[SHA1_BLOCK_LENGTH]; |
| 22 | } SHA1_CTX; |
| 23 | |
| 24 | void SHA1Init(SHA1_CTX *); |
| 25 | void SHA1Pad(SHA1_CTX *); |
| 26 | void SHA1Transform(u_int32_t [5], const u_int8_t [SHA1_BLOCK_LENGTH]) |
| 27 | __attribute__((__bounded__(__minbytes__,1,5))) |
| 28 | __attribute__((__bounded__(__minbytes__,2,SHA1_BLOCK_LENGTH))); |
| 29 | void SHA1Update(SHA1_CTX *, const u_int8_t *, size_t) |
| 30 | __attribute__((__bounded__(__string__,2,3))); |
| 31 | void SHA1Final(u_int8_t [SHA1_DIGEST_LENGTH], SHA1_CTX *) |
| 32 | __attribute__((__bounded__(__minbytes__,1,SHA1_DIGEST_LENGTH))); |
| 33 | char *SHA1End(SHA1_CTX *, char *) |
| 34 | __attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH))); |
| 35 | char *SHA1File(const char *, char *) |
| 36 | __attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH))); |
| 37 | char *SHA1FileChunk(const char *, char *, off_t, off_t) |
| 38 | __attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH))); |
| 39 | char *SHA1Data(const u_int8_t *, size_t, char *) |
| 40 | __attribute__((__bounded__(__string__,1,2))) |
| 41 | __attribute__((__bounded__(__minbytes__,3,SHA1_DIGEST_STRING_LENGTH))); |
| 42 | |
| 43 | #define HTONDIGEST(x) do { \ |
| 44 | x[0] = htonl(x[0]); \ |
| 45 | x[1] = htonl(x[1]); \ |
| 46 | x[2] = htonl(x[2]); \ |
| 47 | x[3] = htonl(x[3]); \ |
| 48 | x[4] = htonl(x[4]); } while (0) |
| 49 | |
| 50 | #define NTOHDIGEST(x) do { \ |
| 51 | x[0] = ntohl(x[0]); \ |
| 52 | x[1] = ntohl(x[1]); \ |
| 53 | x[2] = ntohl(x[2]); \ |
| 54 | x[3] = ntohl(x[3]); \ |
| 55 | x[4] = ntohl(x[4]); } while (0) |
| 56 | |
| 57 | #endif /* !WITH_OPENSSL */ |
| 58 | #endif /* _SHA1_H */ |