Mercurial > dropbear
annotate libtomcrypt/src/misc/crypt/crypt_find_hash_any.c @ 1784:94323a20e572
Some minor manpage improvements
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sat, 05 Dec 2020 14:56:53 +0800 |
parents | 6dba84798cd5 |
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis |
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2 * |
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3 * LibTomCrypt is a library that provides various cryptographic |
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4 * algorithms in a highly modular and flexible manner. |
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5 * |
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6 * The library is free for all purposes without any express |
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7 * guarantee it works. |
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8 */ |
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9 #include "tomcrypt.h" |
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10 |
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11 /** |
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12 @file crypt_find_hash_any.c |
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13 Find a hash, Tom St Denis |
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14 */ |
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15 |
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16 /** |
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17 Find a hash flexibly. First by name then if not present by digest size |
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18 @param name The name of the hash desired |
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19 @param digestlen The minimum length of the digest size (octets) |
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20 @return >= 0 if found, -1 if not present |
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21 */int find_hash_any(const char *name, int digestlen) |
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22 { |
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23 int x, y, z; |
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24 LTC_ARGCHK(name != NULL); |
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25 |
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26 x = find_hash(name); |
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27 if (x != -1) return x; |
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28 |
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29 LTC_MUTEX_LOCK(<c_hash_mutex); |
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30 y = MAXBLOCKSIZE+1; |
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31 z = -1; |
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32 for (x = 0; x < TAB_SIZE; x++) { |
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33 if (hash_descriptor[x].name == NULL) { |
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34 continue; |
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35 } |
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36 if ((int)hash_descriptor[x].hashsize >= digestlen && (int)hash_descriptor[x].hashsize < y) { |
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37 z = x; |
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38 y = hash_descriptor[x].hashsize; |
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39 } |
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40 } |
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41 LTC_MUTEX_UNLOCK(<c_hash_mutex); |
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42 return z; |
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43 } |
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44 |
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45 /* ref: $Format:%D$ */ |
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46 /* git commit: $Format:%H$ */ |
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47 /* commit time: $Format:%ai$ */ |