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