| /* 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@iahu.ca, http://libtomcrypt.org |
| */ |
| #include "mycrypt.h" |
| |
| #ifdef ECB |
| |
| int ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_ECB *ecb) |
| { |
| int err; |
| _ARGCHK(pt != NULL); |
| _ARGCHK(ct != NULL); |
| _ARGCHK(ecb != NULL); |
| |
| /* valid cipher? */ |
| if ((err = cipher_is_valid(ecb->cipher)) != CRYPT_OK) { |
| return err; |
| } |
| _ARGCHK(cipher_descriptor[ecb->cipher].ecb_decrypt != NULL); |
| |
| cipher_descriptor[ecb->cipher].ecb_decrypt(ct, pt, &ecb->key); |
| return CRYPT_OK; |
| } |
| |
| #endif |
| |
| |