46 lines
1.8 KiB
C
46 lines
1.8 KiB
C
/*
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* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef HEADER_RAND_LCL_H
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# define HEADER_RAND_LCL_H
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# define ENTROPY_NEEDED 32 /* require 256 bits = 32 bytes of randomness */
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# if !defined(USE_MD5_RAND) && !defined(USE_SHA1_RAND) && !defined(USE_MDC2_RAND) && !defined(USE_MD2_RAND)
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# define USE_SHA1_RAND
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# endif
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# include <openssl/evp.h>
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# define MD_Update(a,b,c) EVP_DigestUpdate(a,b,c)
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# define MD_Final(a,b) EVP_DigestFinal_ex(a,b,NULL)
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# if defined(USE_MD5_RAND)
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# include <openssl/md5.h>
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# define MD_DIGEST_LENGTH MD5_DIGEST_LENGTH
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# define MD_Init(a) EVP_DigestInit_ex(a,EVP_md5(), NULL)
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# define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_md5(), NULL)
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# elif defined(USE_SHA1_RAND)
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# include <openssl/sha.h>
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# define MD_DIGEST_LENGTH SHA_DIGEST_LENGTH
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# define MD_Init(a) EVP_DigestInit_ex(a,EVP_sha1(), NULL)
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# define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_sha1(), NULL)
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# elif defined(USE_MDC2_RAND)
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# include <openssl/mdc2.h>
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# define MD_DIGEST_LENGTH MDC2_DIGEST_LENGTH
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# define MD_Init(a) EVP_DigestInit_ex(a,EVP_mdc2(), NULL)
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# define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_mdc2(), NULL)
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# elif defined(USE_MD2_RAND)
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# include <openssl/md2.h>
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# define MD_DIGEST_LENGTH MD2_DIGEST_LENGTH
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# define MD_Init(a) EVP_DigestInit_ex(a,EVP_md2(), NULL)
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# define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_md2(), NULL)
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# endif
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void rand_hw_xor(unsigned char *buf, size_t num);
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#endif
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