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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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* The library is free for all purposes without any express
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* Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org
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ECB implementation, encrypt a block, Tom St Denis
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@param ct [out] Ciphertext
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@param len The number of octets to process (must be multiple of the cipher block size)
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@return CRYPT_OK if successful
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int ecb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_ECB *ecb)
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LTC_ARGCHK(pt != NULL);
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LTC_ARGCHK(ct != NULL);
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LTC_ARGCHK(ecb != NULL);
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if ((err = cipher_is_valid(ecb->cipher)) != CRYPT_OK) {
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if (len % cipher_descriptor[ecb->cipher].block_length) {
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return CRYPT_INVALID_ARG;
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if (cipher_descriptor[ecb->cipher].accel_ecb_encrypt != NULL) {
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cipher_descriptor[ecb->cipher].accel_ecb_encrypt(pt, ct, len / cipher_descriptor[ecb->cipher].block_length, &ecb->key);
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cipher_descriptor[ecb->cipher].ecb_encrypt(pt, ct, &ecb->key);
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pt += cipher_descriptor[ecb->cipher].block_length;
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ct += cipher_descriptor[ecb->cipher].block_length;
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len -= cipher_descriptor[ecb->cipher].block_length;
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/* $Source: /cvs/libtom/libtomcrypt/src/modes/ecb/ecb_encrypt.c,v $ */
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/* $Revision: 1.5 $ */
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/* $Date: 2005/05/05 14:35:59 $ */