Mercurial > dropbear
annotate libtomcrypt/src/misc/crypt/crypt_cipher_is_valid.c @ 1844:7a3cd7b598d8
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author | Matt Johnston <matt@ucc.asn.au> |
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date | Mon, 18 Oct 2021 23:31:23 +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_cipher_is_valid.c |
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13 Determine if cipher is valid, Tom St Denis |
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14 */ |
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15 |
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16 /* |
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17 Test if a cipher index is valid |
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18 @param idx The index of the cipher to search for |
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19 @return CRYPT_OK if valid |
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20 */ |
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21 int cipher_is_valid(int idx) |
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22 { |
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23 LTC_MUTEX_LOCK(<c_cipher_mutex); |
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24 if (idx < 0 || idx >= TAB_SIZE || cipher_descriptor[idx].name == NULL) { |
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25 LTC_MUTEX_UNLOCK(<c_cipher_mutex); |
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26 return CRYPT_INVALID_CIPHER; |
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27 } |
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28 LTC_MUTEX_UNLOCK(<c_cipher_mutex); |
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29 return CRYPT_OK; |
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30 } |
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31 |
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6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
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32 /* ref: $Format:%D$ */ |
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33 /* git commit: $Format:%H$ */ |
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34 /* commit time: $Format:%ai$ */ |