diff options
Diffstat (limited to 'libtomcrypt/src/modes/ctr/ctr_decrypt.c')
| -rw-r--r-- | libtomcrypt/src/modes/ctr/ctr_decrypt.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libtomcrypt/src/modes/ctr/ctr_decrypt.c b/libtomcrypt/src/modes/ctr/ctr_decrypt.c new file mode 100644 index 0000000..f32821f --- /dev/null +++ b/libtomcrypt/src/modes/ctr/ctr_decrypt.c @@ -0,0 +1,42 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + */ +#include "tomcrypt.h" + +/** + @file ctr_decrypt.c + CTR implementation, decrypt data, Tom St Denis +*/ + +#ifdef LTC_CTR_MODE + +/** + CTR decrypt + @param ct Ciphertext + @param pt [out] Plaintext + @param len Length of ciphertext (octets) + @param ctr CTR state + @return CRYPT_OK if successful +*/ +int ctr_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CTR *ctr) +{ + LTC_ARGCHK(pt != NULL); + LTC_ARGCHK(ct != NULL); + LTC_ARGCHK(ctr != NULL); + + return ctr_encrypt(ct, pt, len, ctr); +} + +#endif + + +/* $Source: /cvs/libtom/libtomcrypt/src/modes/ctr/ctr_decrypt.c,v $ */ +/* $Revision: 1.5 $ */ +/* $Date: 2006/06/29 01:46:46 $ */ |