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annotate ecb_decrypt.c @ 3:7faae8f46238 libtomcrypt-orig

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author Matt Johnston <matt@ucc.asn.au>
date Mon, 31 May 2004 18:25:41 +0000
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
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2 *
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3 * LibTomCrypt is a library that provides various cryptographic
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4 * algorithms in a highly modular and flexible manner.
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5 *
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6 * The library is free for all purposes without any express
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7 * guarantee it works.
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8 *
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9 * Tom St Denis, [email protected], http://libtomcrypt.org
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10 */
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11 #include "mycrypt.h"
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13 #ifdef ECB
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15 int ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_ECB *ecb)
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16 {
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17 int err;
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18 _ARGCHK(pt != NULL);
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19 _ARGCHK(ct != NULL);
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20 _ARGCHK(ecb != NULL);
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21
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22 if ((err = cipher_is_valid(ecb->cipher)) != CRYPT_OK) {
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23 return err;
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24 }
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25 cipher_descriptor[ecb->cipher].ecb_decrypt(ct, pt, &ecb->key);
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26 return CRYPT_OK;
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27 }
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29 #endif
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