33 lines
711 B
C
33 lines
711 B
C
/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
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/* SPDX-License-Identifier: Unlicense */
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#include "tomcrypt_private.h"
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/**
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@file cbc_setiv.c
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CBC implementation, set IV, Tom St Denis
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*/
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#ifdef LTC_CBC_MODE
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/**
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Set an initialization vector
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@param IV The initialization vector
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@param len The length of the vector (in octets)
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@param cbc The CBC state
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@return CRYPT_OK if successful
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*/
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int cbc_setiv(const unsigned char *IV, unsigned long len, symmetric_CBC *cbc)
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{
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LTC_ARGCHK(IV != NULL);
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LTC_ARGCHK(cbc != NULL);
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if (len != (unsigned long)cbc->ecb.blocklen) {
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return CRYPT_INVALID_ARG;
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}
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XMEMCPY(cbc->IV, IV, len);
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return CRYPT_OK;
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}
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#endif
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