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Diffstat (limited to '')
-rw-r--r-- | security/nss/lib/util/hasht.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/security/nss/lib/util/hasht.h b/security/nss/lib/util/hasht.h new file mode 100644 index 0000000000..b70b94fbfc --- /dev/null +++ b/security/nss/lib/util/hasht.h @@ -0,0 +1,71 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef _HASHT_H_ +#define _HASHT_H_ + +#include "prtypes.h" + +/* Opaque objects */ +typedef struct SECHashObjectStr SECHashObject; +typedef struct HASHContextStr HASHContext; + +/* + * The hash functions the security library supports + * NOTE the order must match the definition of SECHashObjects[]! + */ +typedef enum { + HASH_AlgNULL = 0, + HASH_AlgMD2 = 1, + HASH_AlgMD5 = 2, + HASH_AlgSHA1 = 3, + HASH_AlgSHA256 = 4, + HASH_AlgSHA384 = 5, + HASH_AlgSHA512 = 6, + HASH_AlgSHA224 = 7, + HASH_AlgSHA3_224 = 8, + HASH_AlgSHA3_256 = 9, + HASH_AlgSHA3_384 = 10, + HASH_AlgSHA3_512 = 11, + HASH_AlgTOTAL +} HASH_HashType; + +/* + * Number of bytes each hash algorithm produces + */ +#define MD2_LENGTH 16 +#define MD5_LENGTH 16 +#define SHA1_LENGTH 20 +#define SHA224_LENGTH 28 +#define SHA256_LENGTH 32 +#define SHA384_LENGTH 48 +#define SHA512_LENGTH 64 +#define SHA3_224_LENGTH 28 +#define SHA3_256_LENGTH 32 +#define SHA3_384_LENGTH 48 +#define SHA3_512_LENGTH 64 +#define HASH_LENGTH_MAX SHA512_LENGTH + +/* + * Structure to hold hash computation info and routines + */ +struct SECHashObjectStr { + unsigned int length; /* hash output length (in bytes) */ + void *(*create)(void); + void *(*clone)(void *); + void (*destroy)(void *, PRBool); + void (*begin)(void *); + void (*update)(void *, const unsigned char *, unsigned int); + void (*end)(void *, unsigned char *, unsigned int *, unsigned int); + unsigned int blocklength; /* hash input block size (in bytes) */ + HASH_HashType type; + void (*end_raw)(void *, unsigned char *, unsigned int *, unsigned int); +}; + +struct HASHContextStr { + const struct SECHashObjectStr *hashobj; + void *hash_context; +}; + +#endif /* _HASHT_H_ */ |