Mercurial > trustbridge > nss-cmake-static

annotate nss/lib/util/hasht.h @ 4:b513267f632f tip

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Build DBM module
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 05 Aug 2014 18:58:03 +0200
parents 1e5118fa0cb1
children
rev   line source
0
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1 /* This Source Code Form is subject to the terms of the Mozilla Public
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2 * License, v. 2.0. If a copy of the MPL was not distributed with this
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3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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4
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5 #ifndef _HASHT_H_
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6 #define _HASHT_H_
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7
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8 #include "prtypes.h"
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9
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10 /* Opaque objects */
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11 typedef struct SECHashObjectStr SECHashObject;
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12 typedef struct HASHContextStr HASHContext;
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13
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14 /*
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15 * The hash functions the security library supports
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16 * NOTE the order must match the definition of SECHashObjects[]!
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17 */
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18 typedef enum {
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19 HASH_AlgNULL = 0,
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20 HASH_AlgMD2 = 1,
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21 HASH_AlgMD5 = 2,
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22 HASH_AlgSHA1 = 3,
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23 HASH_AlgSHA256 = 4,
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24 HASH_AlgSHA384 = 5,
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25 HASH_AlgSHA512 = 6,
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26 HASH_AlgSHA224 = 7,
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27 HASH_AlgTOTAL
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28 } HASH_HashType;
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29
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30 /*
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31 * Number of bytes each hash algorithm produces
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32 */
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33 #define MD2_LENGTH 16
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34 #define MD5_LENGTH 16
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35 #define SHA1_LENGTH 20
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36 #define SHA224_LENGTH 28
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37 #define SHA256_LENGTH 32
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38 #define SHA384_LENGTH 48
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39 #define SHA512_LENGTH 64
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40 #define HASH_LENGTH_MAX SHA512_LENGTH
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41
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42 /*
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43 * Structure to hold hash computation info and routines
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44 */
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45 struct SECHashObjectStr {
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46 unsigned int length; /* hash output length (in bytes) */
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47 void * (*create)(void);
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48 void * (*clone)(void *);
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49 void (*destroy)(void *, PRBool);
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50 void (*begin)(void *);
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51 void (*update)(void *, const unsigned char *, unsigned int);
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52 void (*end)(void *, unsigned char *, unsigned int *, unsigned int);
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53 unsigned int blocklength; /* hash input block size (in bytes) */
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54 HASH_HashType type;
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55 void (*end_raw)(void *, unsigned char *, unsigned int *, unsigned int);
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56 };
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57
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58 struct HASHContextStr {
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59 const struct SECHashObjectStr *hashobj;
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60 void *hash_context;
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61 };
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62
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63 #endif /* _HASHT_H_ */
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