Mercurial > dropbear
annotate libtomcrypt/src/misc/crypt/crypt_cipher_is_valid.c @ 792:239ede24d54f
Update config.guess and config.sub
author | Matt Johnston <matt@ucc.asn.au> |
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date | Mon, 13 May 2013 21:06:35 +0800 (2013-05-13) |
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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, tomstdenis@gmail.com, http://libtomcrypt.com |
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10 */ |
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11 #include "tomcrypt.h" |
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12 |
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13 /** |
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14 @file crypt_cipher_is_valid.c |
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15 Determine if cipher is valid, Tom St Denis |
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16 */ |
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17 |
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18 /* |
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19 Test if a cipher index is valid |
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20 @param idx The index of the cipher to search for |
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21 @return CRYPT_OK if valid |
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22 */ |
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23 int cipher_is_valid(int idx) |
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24 { |
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25 LTC_MUTEX_LOCK(<c_cipher_mutex); |
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26 if (idx < 0 || idx >= TAB_SIZE || cipher_descriptor[idx].name == NULL) { |
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27 LTC_MUTEX_UNLOCK(<c_cipher_mutex); |
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28 return CRYPT_INVALID_CIPHER; |
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29 } |
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30 LTC_MUTEX_UNLOCK(<c_cipher_mutex); |
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31 return CRYPT_OK; |
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32 } |
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33 |
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34 /* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_cipher_is_valid.c,v $ */ |
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35 /* $Revision: 1.5 $ */ |
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36 /* $Date: 2006/03/31 14:15:35 $ */ |