Mercurial > dropbear
annotate libtomcrypt/src/misc/crypt/crypt_find_cipher.c @ 1593:c8c20fb57a9a
Don't read uninitialised value.
From https://github.com/libtom/libtommath/commit/1d03522625f46214733e8e143a4765c01fc146f9
author | Matt Johnston <matt@ucc.asn.au> |
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date | Mon, 05 Mar 2018 16:50:24 +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_cipher.c |
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13 Find a cipher in the descriptor tables, 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 registered cipher by name |
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18 @param name The name of the cipher to look for |
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19 @return >= 0 if found, -1 if not present |
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20 */ |
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21 int find_cipher(const char *name) |
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22 { |
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23 int x; |
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24 LTC_ARGCHK(name != NULL); |
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25 LTC_MUTEX_LOCK(<c_cipher_mutex); |
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26 for (x = 0; x < TAB_SIZE; x++) { |
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27 if (cipher_descriptor[x].name != NULL && !XSTRCMP(cipher_descriptor[x].name, name)) { |
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28 LTC_MUTEX_UNLOCK(<c_cipher_mutex); |
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29 return x; |
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30 } |
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31 } |
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32 LTC_MUTEX_UNLOCK(<c_cipher_mutex); |
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33 return -1; |
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34 } |
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35 |
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36 |
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37 /* ref: $Format:%D$ */ |
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38 /* git commit: $Format:%H$ */ |
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39 /* commit time: $Format:%ai$ */ |