/* 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 ECBint ecb_start(int cipher, const unsigned char *key, int keylen, int num_rounds, symmetric_ECB *ecb){   int err;   _ARGCHK(key != NULL);   _ARGCHK(ecb != NULL);   if ((err = cipher_is_valid(cipher)) != CRYPT_OK) {      return err;   }   ecb->cipher = cipher;   ecb->blocklen = cipher_descriptor[cipher].block_length;   return cipher_descriptor[cipher].setup(key, keylen, num_rounds, &ecb->key);}#endif