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85 lines
3.1 KiB
C
85 lines
3.1 KiB
C
/* crypto/skf/skf_rand.c */
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/* ====================================================================
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* Copyright (c) 2015-2016 The GmSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the GmSSL Project.
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* (http://gmssl.org/)"
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*
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* 4. The name "GmSSL Project" must not be used to endorse or promote
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* products derived from this software without prior written
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* permission. For written permission, please contact
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* guanzhi1980@gmail.com.
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*
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* 5. Products derived from this software may not be called "GmSSL"
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* nor may "GmSSL" appear in their names without prior written
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* permission of the GmSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the GmSSL Project
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* (http://gmssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GmSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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*/
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#include <stdio.h>
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#include <openssl/err.h>
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#include <openssl/rand.h>
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#include <openssl/gmskf.h>
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#include <openssl/gmapi.h>
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#include "skf_lcl.h"
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#define SKF_DEV_AUTH_RANDOM_LENGTH 16
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#define SKF_MAX_RANDOM_LENGTH (1024*1024*1024)
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//FIXME: INT_MAX
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ULONG DEVAPI SKF_GenRandom(DEVHANDLE hDev,
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BYTE *pbRandom,
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ULONG ulRandomLen)
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{
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if (!pbRandom) {
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SKFerr(SKF_F_SKF_GENRANDOM, SKF_R_NULL_ARGUMENT);
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return SAR_INVALIDPARAMERR;
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}
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if (ulRandomLen > SKF_MAX_RANDOM_LENGTH) {
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SKFerr(SKF_F_SKF_GENRANDOM, SKF_R_INVALID_RANDOM_LENGTH);
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return SAR_INVALIDPARAMERR;
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}
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if (!RAND_bytes(pbRandom, ulRandomLen)) {
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SKFerr(SKF_F_SKF_GENRANDOM, ERR_R_GMAPI_LIB);
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return SAR_GENRANDERR;
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}
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return SAR_OK;
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}
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