| // SPDX-License-Identifier: BSD-2-Clause |
| /* 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. |
| */ |
| #include "tomcrypt_private.h" |
| |
| /** |
| @file ecb_start.c |
| ECB implementation, start chain, Tom St Denis |
| */ |
| |
| |
| #ifdef LTC_ECB_MODE |
| |
| /** |
| Initialize a ECB context |
| @param cipher The index of the cipher desired |
| @param key The secret key |
| @param keylen The length of the secret key (octets) |
| @param num_rounds Number of rounds in the cipher desired (0 for default) |
| @param ecb The ECB state to initialize |
| @return CRYPT_OK if successful |
| */ |
| int ecb_start(int cipher, const unsigned char *key, int keylen, int num_rounds, symmetric_ECB *ecb) |
| { |
| int err; |
| LTC_ARGCHK(key != NULL); |
| LTC_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 |
| |
| /* ref: $Format:%D$ */ |
| /* git commit: $Format:%H$ */ |
| /* commit time: $Format:%ai$ */ |