/* 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