security/nss/lib/util/hasht.h@6474c204b198 (annotated)
security/nss/lib/util/hasht.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | #ifndef _HASHT_H_ |
| michael@0 | 6 | #define _HASHT_H_ |
| michael@0 | 7 | |
| michael@0 | 8 | #include "prtypes.h" |
| michael@0 | 9 | |
| michael@0 | 10 | /* Opaque objects */ |
| michael@0 | 11 | typedef struct SECHashObjectStr SECHashObject; |
| michael@0 | 12 | typedef struct HASHContextStr HASHContext; |
| michael@0 | 13 | |
| michael@0 | 14 | /* |
| michael@0 | 15 | * The hash functions the security library supports |
| michael@0 | 16 | * NOTE the order must match the definition of SECHashObjects[]! |
| michael@0 | 17 | */ |
| michael@0 | 18 | typedef enum { |
| michael@0 | 19 | HASH_AlgNULL = 0, |
| michael@0 | 20 | HASH_AlgMD2 = 1, |
| michael@0 | 21 | HASH_AlgMD5 = 2, |
| michael@0 | 22 | HASH_AlgSHA1 = 3, |
| michael@0 | 23 | HASH_AlgSHA256 = 4, |
| michael@0 | 24 | HASH_AlgSHA384 = 5, |
| michael@0 | 25 | HASH_AlgSHA512 = 6, |
| michael@0 | 26 | HASH_AlgSHA224 = 7, |
| michael@0 | 27 | HASH_AlgTOTAL |
| michael@0 | 28 | } HASH_HashType; |
| michael@0 | 29 | |
| michael@0 | 30 | /* |
| michael@0 | 31 | * Number of bytes each hash algorithm produces |
| michael@0 | 32 | */ |
| michael@0 | 33 | #define MD2_LENGTH 16 |
| michael@0 | 34 | #define MD5_LENGTH 16 |
| michael@0 | 35 | #define SHA1_LENGTH 20 |
| michael@0 | 36 | #define SHA224_LENGTH 28 |
| michael@0 | 37 | #define SHA256_LENGTH 32 |
| michael@0 | 38 | #define SHA384_LENGTH 48 |
| michael@0 | 39 | #define SHA512_LENGTH 64 |
| michael@0 | 40 | #define HASH_LENGTH_MAX SHA512_LENGTH |
| michael@0 | 41 | |
| michael@0 | 42 | /* |
| michael@0 | 43 | * Structure to hold hash computation info and routines |
| michael@0 | 44 | */ |
| michael@0 | 45 | struct SECHashObjectStr { |
| michael@0 | 46 | unsigned int length; /* hash output length (in bytes) */ |
| michael@0 | 47 | void * (*create)(void); |
| michael@0 | 48 | void * (*clone)(void *); |
| michael@0 | 49 | void (*destroy)(void *, PRBool); |
| michael@0 | 50 | void (*begin)(void *); |
| michael@0 | 51 | void (*update)(void *, const unsigned char *, unsigned int); |
| michael@0 | 52 | void (*end)(void *, unsigned char *, unsigned int *, unsigned int); |
| michael@0 | 53 | unsigned int blocklength; /* hash input block size (in bytes) */ |
| michael@0 | 54 | HASH_HashType type; |
| michael@0 | 55 | void (*end_raw)(void *, unsigned char *, unsigned int *, unsigned int); |
| michael@0 | 56 | }; |
| michael@0 | 57 | |
| michael@0 | 58 | struct HASHContextStr { |
| michael@0 | 59 | const struct SECHashObjectStr *hashobj; |
| michael@0 | 60 | void *hash_context; |
| michael@0 | 61 | }; |
| michael@0 | 62 | |
| michael@0 | 63 | #endif /* _HASHT_H_ */ |
