60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
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/**
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* WinPR: Windows Portable Runtime
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*
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* Copyright 2015 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <winpr/crt.h>
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#include <winpr/crypto.h>
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#ifdef WITH_OPENSSL
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#include <openssl/crypto.h>
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#include <openssl/rand.h>
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#endif
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#ifdef WITH_MBEDTLS
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#include <mbedtls/md.h>
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#include <mbedtls/entropy.h>
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#include <mbedtls/havege.h>
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#include <mbedtls/hmac_drbg.h>
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#endif
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int winpr_RAND(BYTE* output, size_t len)
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{
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#if defined(WITH_OPENSSL)
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if (RAND_bytes(output, len) != 1)
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return -1;
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#elif defined(WITH_MBEDTLS) && defined(MBEDTLS_HAVEGE_C)
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mbedtls_havege_state hs;
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mbedtls_havege_init(&hs);
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if (mbedtls_havege_random(&hs, output, len) != 0)
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return -1;
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mbedtls_havege_free(&hs);
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#endif
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return 0;
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}
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int winpr_RAND_pseudo(BYTE* output, size_t len)
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{
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return winpr_RAND(output, len);
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}
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