1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
3 * LibTomCrypt is a library that provides various cryptographic
4 * algorithms in a highly modular and flexible manner.
6 * The library is free for all purposes without any express
13 ECB implementation, encrypt a block, Tom St Denis
21 @param ct [out] Ciphertext
22 @param len The number of octets to process (must be multiple of the cipher block size)
24 @return CRYPT_OK if successful
26 int ecb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_ECB *ecb)
29 LTC_ARGCHK(pt != NULL);
30 LTC_ARGCHK(ct != NULL);
31 LTC_ARGCHK(ecb != NULL);
32 if ((err = cipher_is_valid(ecb->cipher)) != CRYPT_OK) {
35 if (len % cipher_descriptor[ecb->cipher].block_length) {
36 return CRYPT_INVALID_ARG;
40 if (cipher_descriptor[ecb->cipher].accel_ecb_encrypt != NULL) {
41 return cipher_descriptor[ecb->cipher].accel_ecb_encrypt(pt, ct, len / cipher_descriptor[ecb->cipher].block_length, &ecb->key);
44 if ((err = cipher_descriptor[ecb->cipher].ecb_encrypt(pt, ct, &ecb->key)) != CRYPT_OK) {
47 pt += cipher_descriptor[ecb->cipher].block_length;
48 ct += cipher_descriptor[ecb->cipher].block_length;
49 len -= cipher_descriptor[ecb->cipher].block_length;
57 /* ref: $Format:%D$ */
58 /* git commit: $Format:%H$ */
59 /* commit time: $Format:%ai$ */