view libtomcrypt/src/modes/ecb/ecb_start.c @ 1938:77bc00dcc19f default tip main master

Bump version to 2022.82
author Matt Johnston <>
date Fri, 01 Apr 2022 14:43:27 +0800
parents 6dba84798cd5
line wrap: on
line source

/* 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.h"

   @file ecb_start.c
   ECB implementation, start chain, Tom St Denis


   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);


/* ref:         $Format:%D$ */
/* git commit:  $Format:%H$ */
/* commit time: $Format:%ai$ */