1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/security/nss/lib/util/hasht.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,63 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#ifndef _HASHT_H_
1.9 +#define _HASHT_H_
1.10 +
1.11 +#include "prtypes.h"
1.12 +
1.13 +/* Opaque objects */
1.14 +typedef struct SECHashObjectStr SECHashObject;
1.15 +typedef struct HASHContextStr HASHContext;
1.16 +
1.17 +/*
1.18 + * The hash functions the security library supports
1.19 + * NOTE the order must match the definition of SECHashObjects[]!
1.20 + */
1.21 +typedef enum {
1.22 + HASH_AlgNULL = 0,
1.23 + HASH_AlgMD2 = 1,
1.24 + HASH_AlgMD5 = 2,
1.25 + HASH_AlgSHA1 = 3,
1.26 + HASH_AlgSHA256 = 4,
1.27 + HASH_AlgSHA384 = 5,
1.28 + HASH_AlgSHA512 = 6,
1.29 + HASH_AlgSHA224 = 7,
1.30 + HASH_AlgTOTAL
1.31 +} HASH_HashType;
1.32 +
1.33 +/*
1.34 + * Number of bytes each hash algorithm produces
1.35 + */
1.36 +#define MD2_LENGTH 16
1.37 +#define MD5_LENGTH 16
1.38 +#define SHA1_LENGTH 20
1.39 +#define SHA224_LENGTH 28
1.40 +#define SHA256_LENGTH 32
1.41 +#define SHA384_LENGTH 48
1.42 +#define SHA512_LENGTH 64
1.43 +#define HASH_LENGTH_MAX SHA512_LENGTH
1.44 +
1.45 +/*
1.46 + * Structure to hold hash computation info and routines
1.47 + */
1.48 +struct SECHashObjectStr {
1.49 + unsigned int length; /* hash output length (in bytes) */
1.50 + void * (*create)(void);
1.51 + void * (*clone)(void *);
1.52 + void (*destroy)(void *, PRBool);
1.53 + void (*begin)(void *);
1.54 + void (*update)(void *, const unsigned char *, unsigned int);
1.55 + void (*end)(void *, unsigned char *, unsigned int *, unsigned int);
1.56 + unsigned int blocklength; /* hash input block size (in bytes) */
1.57 + HASH_HashType type;
1.58 + void (*end_raw)(void *, unsigned char *, unsigned int *, unsigned int);
1.59 +};
1.60 +
1.61 +struct HASHContextStr {
1.62 + const struct SECHashObjectStr *hashobj;
1.63 + void *hash_context;
1.64 +};
1.65 +
1.66 +#endif /* _HASHT_H_ */
