35 lines
811 B
C
35 lines
811 B
C
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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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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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*
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* Tom St Denis, tomstdenis@iahu.ca, http://libtomcrypt.org
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*/
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#include "mycrypt.h"
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#ifdef ECB
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int ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_ECB *ecb)
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{
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int err;
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_ARGCHK(pt != NULL);
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_ARGCHK(ct != NULL);
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_ARGCHK(ecb != NULL);
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/* valid cipher? */
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if ((err = cipher_is_valid(ecb->cipher)) != CRYPT_OK) {
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return err;
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}
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_ARGCHK(cipher_descriptor[ecb->cipher].ecb_decrypt != NULL);
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cipher_descriptor[ecb->cipher].ecb_decrypt(ct, pt, &ecb->key);
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return CRYPT_OK;
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}
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#endif
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