diff options
Diffstat (limited to 'libtomcrypt/src/modes/lrw/lrw_encrypt.c')
-rw-r--r-- | libtomcrypt/src/modes/lrw/lrw_encrypt.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/libtomcrypt/src/modes/lrw/lrw_encrypt.c b/libtomcrypt/src/modes/lrw/lrw_encrypt.c new file mode 100644 index 0000000..5ed11c9 --- /dev/null +++ b/libtomcrypt/src/modes/lrw/lrw_encrypt.c @@ -0,0 +1,50 @@ +/* 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 lrw_encrypt.c + LRW_MODE implementation, Encrypt blocks, Tom St Denis +*/ + +#ifdef LTC_LRW_MODE + +/** + LRW encrypt blocks + @param pt The plaintext + @param ct [out] The ciphertext + @param len The length in octets, must be a multiple of 16 + @param lrw The LRW state +*/ +int lrw_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_LRW *lrw) +{ + int err; + + LTC_ARGCHK(pt != NULL); + LTC_ARGCHK(ct != NULL); + LTC_ARGCHK(lrw != NULL); + + if ((err = cipher_is_valid(lrw->cipher)) != CRYPT_OK) { + return err; + } + + if (cipher_descriptor[lrw->cipher].accel_lrw_encrypt != NULL) { + return cipher_descriptor[lrw->cipher].accel_lrw_encrypt(pt, ct, len, lrw->IV, lrw->tweak, &lrw->key); + } + + return lrw_process(pt, ct, len, LRW_ENCRYPT, lrw); +} + + +#endif +/* $Source: /cvs/libtom/libtomcrypt/src/modes/lrw/lrw_encrypt.c,v $ */ +/* $Revision: 1.9 $ */ +/* $Date: 2006/06/29 01:53:13 $ */ |