31 lines
706 B
C
31 lines
706 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 CTR
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int ctr_getiv(unsigned char *IV, unsigned long *len, symmetric_CTR *ctr)
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{
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_ARGCHK(IV != NULL);
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_ARGCHK(len != NULL);
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_ARGCHK(ctr != NULL);
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if ((unsigned long)ctr->blocklen > *len) {
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return CRYPT_BUFFER_OVERFLOW;
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}
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XMEMCPY(IV, ctr->ctr, ctr->blocklen);
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*len = ctr->blocklen;
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return CRYPT_OK;
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}
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#endif
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