Mercurial > dropbear
comparison libtomcrypt/src/modes/ctr/ctr_decrypt.c @ 297:79bf1023cf11 agent-client
propagate from branch 'au.asn.ucc.matt.dropbear' (head 0501e6f661b5415eb76f3b312d183c3adfbfb712)
to branch 'au.asn.ucc.matt.dropbear.cli-agent' (head 01038174ec27245b51bd43a66c01ad930880f67b)
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Tue, 21 Mar 2006 16:20:59 +0000 |
| parents | 1b9e69c058d2 |
| children | 0cbe8f6dbf9e |
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| 225:ca7e76d981d9 | 297:79bf1023cf11 |
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| 1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis | |
| 2 * | |
| 3 * LibTomCrypt is a library that provides various cryptographic | |
| 4 * algorithms in a highly modular and flexible manner. | |
| 5 * | |
| 6 * The library is free for all purposes without any express | |
| 7 * guarantee it works. | |
| 8 * | |
| 9 * Tom St Denis, [email protected], http://libtomcrypt.org | |
| 10 */ | |
| 11 #include "tomcrypt.h" | |
| 12 | |
| 13 /** | |
| 14 @file ctr_decrypt.c | |
| 15 CTR implementation, decrypt data, Tom St Denis | |
| 16 */ | |
| 17 | |
| 18 #ifdef CTR | |
| 19 | |
| 20 /** | |
| 21 CTR decrypt | |
| 22 @param ct Ciphertext | |
| 23 @param pt [out] Plaintext | |
| 24 @param len Length of ciphertext (octets) | |
| 25 @param ctr CTR state | |
| 26 @return CRYPT_OK if successful | |
| 27 */ | |
| 28 int ctr_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CTR *ctr) | |
| 29 { | |
| 30 LTC_ARGCHK(pt != NULL); | |
| 31 LTC_ARGCHK(ct != NULL); | |
| 32 LTC_ARGCHK(ctr != NULL); | |
| 33 | |
| 34 return ctr_encrypt(ct, pt, len, ctr); | |
| 35 } | |
| 36 | |
| 37 #endif | |
| 38 | |
| 39 | |
| 40 /* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_decrypt.c,v $ */ | |
| 41 /* $Revision: 1.3 $ */ | |
| 42 /* $Date: 2005/05/05 14:35:59 $ */ |