annotate crypt_find_cipher_any.c @ 164:cd1143579f00 libtomcrypt LTC_DB_0.44

mpi.c isn't needed if we're using libtommath seperately
author Matt Johnston <matt@ucc.asn.au>
date Sun, 02 Jan 2005 17:19:46 +0000
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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 * Tom St Denis, [email protected], http://libtomcrypt.org
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10 */
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11 #include "mycrypt.h"
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12
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13 /* idea from Wayne Scott */
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14 int find_cipher_any(const char *name, int blocklen, int keylen)
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15 {
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16 int x;
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17
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18 _ARGCHK(name != NULL);
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19
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20 x = find_cipher(name);
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21 if (x != -1) return x;
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22
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23 for (x = 0; x < TAB_SIZE; x++) {
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24 if (cipher_descriptor[x].name == NULL) {
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25 continue;
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26 }
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27 if (blocklen <= (int)cipher_descriptor[x].block_length && keylen <= (int)cipher_descriptor[x].max_key_length) {
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28 return x;
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29 }
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30 }
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31 return -1;
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32 }