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annotate ctr_getiv.c @ 164:cd1143579f00 libtomcrypt LTC_DB_0.44

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mpi.c isn't needed if we're using libtommath seperately
author Matt Johnston <matt@ucc.asn.au>
date Sun, 02 Jan 2005 17:19:46 +0000
parents 5d99163f7e32
children
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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
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12 #include "mycrypt.h"
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14 #ifdef CTR
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16 int ctr_getiv(unsigned char *IV, unsigned long *len, symmetric_CTR *ctr)
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17 {
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18 _ARGCHK(IV != NULL);
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19 _ARGCHK(len != NULL);
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20 _ARGCHK(ctr != NULL);
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21 if ((unsigned long)ctr->blocklen > *len) {
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22 return CRYPT_BUFFER_OVERFLOW;
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23 }
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24 XMEMCPY(IV, ctr->ctr, ctr->blocklen);
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25 *len = ctr->blocklen;
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27 return CRYPT_OK;
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28 }
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30 #endif