1109998Smarkm/* crypto/rand/rand_lcl.h */ 268651Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 368651Skris * All rights reserved. 468651Skris * 568651Skris * This package is an SSL implementation written 668651Skris * by Eric Young (eay@cryptsoft.com). 768651Skris * The implementation was written so as to conform with Netscapes SSL. 8296465Sdelphij * 968651Skris * This library is free for commercial and non-commercial use as long as 1068651Skris * the following conditions are aheared to. The following conditions 1168651Skris * apply to all code found in this distribution, be it the RC4, RSA, 1268651Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1368651Skris * included with this distribution is covered by the same copyright terms 1468651Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15296465Sdelphij * 1668651Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1768651Skris * the code are not to be removed. 1868651Skris * If this package is used in a product, Eric Young should be given attribution 1968651Skris * as the author of the parts of the library used. 2068651Skris * This can be in the form of a textual message at program startup or 2168651Skris * in documentation (online or textual) provided with the package. 22296465Sdelphij * 2368651Skris * Redistribution and use in source and binary forms, with or without 2468651Skris * modification, are permitted provided that the following conditions 2568651Skris * are met: 2668651Skris * 1. Redistributions of source code must retain the copyright 2768651Skris * notice, this list of conditions and the following disclaimer. 2868651Skris * 2. Redistributions in binary form must reproduce the above copyright 2968651Skris * notice, this list of conditions and the following disclaimer in the 3068651Skris * documentation and/or other materials provided with the distribution. 3168651Skris * 3. All advertising materials mentioning features or use of this software 3268651Skris * must display the following acknowledgement: 3368651Skris * "This product includes cryptographic software written by 3468651Skris * Eric Young (eay@cryptsoft.com)" 3568651Skris * The word 'cryptographic' can be left out if the rouines from the library 3668651Skris * being used are not cryptographic related :-). 37296465Sdelphij * 4. If you include any Windows specific code (or a derivative thereof) from 3868651Skris * the apps directory (application code) you must include an acknowledgement: 3968651Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40296465Sdelphij * 4168651Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4268651Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4368651Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4468651Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4568651Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4668651Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4768651Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4868651Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4968651Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5068651Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5168651Skris * SUCH DAMAGE. 52296465Sdelphij * 5368651Skris * The licence and distribution terms for any publically available version or 5468651Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5568651Skris * copied and put under another distribution licence 5668651Skris * [including the GNU Public Licence.] 5768651Skris */ 5868651Skris/* ==================================================================== 5968651Skris * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. 6068651Skris * 6168651Skris * Redistribution and use in source and binary forms, with or without 6268651Skris * modification, are permitted provided that the following conditions 6368651Skris * are met: 6468651Skris * 6568651Skris * 1. Redistributions of source code must retain the above copyright 66296465Sdelphij * notice, this list of conditions and the following disclaimer. 6768651Skris * 6868651Skris * 2. Redistributions in binary form must reproduce the above copyright 6968651Skris * notice, this list of conditions and the following disclaimer in 7068651Skris * the documentation and/or other materials provided with the 7168651Skris * distribution. 7268651Skris * 7368651Skris * 3. All advertising materials mentioning features or use of this 7468651Skris * software must display the following acknowledgment: 7568651Skris * "This product includes software developed by the OpenSSL Project 7668651Skris * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 7768651Skris * 7868651Skris * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 7968651Skris * endorse or promote products derived from this software without 8068651Skris * prior written permission. For written permission, please contact 8168651Skris * openssl-core@openssl.org. 8268651Skris * 8368651Skris * 5. Products derived from this software may not be called "OpenSSL" 8468651Skris * nor may "OpenSSL" appear in their names without prior written 8568651Skris * permission of the OpenSSL Project. 8668651Skris * 8768651Skris * 6. Redistributions of any form whatsoever must retain the following 8868651Skris * acknowledgment: 8968651Skris * "This product includes software developed by the OpenSSL Project 9068651Skris * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 9168651Skris * 9268651Skris * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 9368651Skris * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 9468651Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 9568651Skris * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 9668651Skris * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 9768651Skris * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 9868651Skris * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 9968651Skris * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 10068651Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 10168651Skris * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 10268651Skris * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 10368651Skris * OF THE POSSIBILITY OF SUCH DAMAGE. 10468651Skris * ==================================================================== 10568651Skris * 10668651Skris * This product includes cryptographic software written by Eric Young 10768651Skris * (eay@cryptsoft.com). This product includes software written by Tim 10868651Skris * Hudson (tjh@cryptsoft.com). 10968651Skris * 11068651Skris */ 11168651Skris 11268651Skris#ifndef HEADER_RAND_LCL_H 113296465Sdelphij# define HEADER_RAND_LCL_H 11468651Skris 115296465Sdelphij# define ENTROPY_NEEDED 32 /* require 256 bits = 32 bytes of randomness */ 11668651Skris 117296465Sdelphij# if !defined(USE_MD5_RAND) && !defined(USE_SHA1_RAND) && !defined(USE_MDC2_RAND) && !defined(USE_MD2_RAND) 118296465Sdelphij# if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1) 119296465Sdelphij# define USE_SHA1_RAND 120296465Sdelphij# elif !defined(OPENSSL_NO_MD5) 121296465Sdelphij# define USE_MD5_RAND 122296465Sdelphij# elif !defined(OPENSSL_NO_MDC2) && !defined(OPENSSL_NO_DES) 123296465Sdelphij# define USE_MDC2_RAND 124296465Sdelphij# elif !defined(OPENSSL_NO_MD2) 125296465Sdelphij# define USE_MD2_RAND 126296465Sdelphij# else 127296465Sdelphij# error No message digest algorithm available 128296465Sdelphij# endif 129296465Sdelphij# endif 13068651Skris 131296465Sdelphij# include <openssl/evp.h> 132296465Sdelphij# define MD_Update(a,b,c) EVP_DigestUpdate(a,b,c) 133296465Sdelphij# define MD_Final(a,b) EVP_DigestFinal_ex(a,b,NULL) 134296465Sdelphij# if defined(USE_MD5_RAND) 135296465Sdelphij# include <openssl/md5.h> 136296465Sdelphij# define MD_DIGEST_LENGTH MD5_DIGEST_LENGTH 137296465Sdelphij# define MD_Init(a) EVP_DigestInit_ex(a,EVP_md5(), NULL) 138296465Sdelphij# define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_md5(), NULL) 139296465Sdelphij# elif defined(USE_SHA1_RAND) 140296465Sdelphij# include <openssl/sha.h> 141296465Sdelphij# define MD_DIGEST_LENGTH SHA_DIGEST_LENGTH 142296465Sdelphij# define MD_Init(a) EVP_DigestInit_ex(a,EVP_sha1(), NULL) 143296465Sdelphij# define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_sha1(), NULL) 144296465Sdelphij# elif defined(USE_MDC2_RAND) 145296465Sdelphij# include <openssl/mdc2.h> 146296465Sdelphij# define MD_DIGEST_LENGTH MDC2_DIGEST_LENGTH 147296465Sdelphij# define MD_Init(a) EVP_DigestInit_ex(a,EVP_mdc2(), NULL) 148296465Sdelphij# define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_mdc2(), NULL) 149296465Sdelphij# elif defined(USE_MD2_RAND) 150296465Sdelphij# include <openssl/md2.h> 151296465Sdelphij# define MD_DIGEST_LENGTH MD2_DIGEST_LENGTH 152296465Sdelphij# define MD_Init(a) EVP_DigestInit_ex(a,EVP_md2(), NULL) 153296465Sdelphij# define MD(a,b,c) EVP_Digest(a,b,c,NULL,EVP_md2(), NULL) 154296465Sdelphij# endif 15568651Skris 156296465Sdelphij# ifndef OPENSSL_NO_ENGINE 157296465Sdelphijvoid int_RAND_set_callbacks(int (*set_rand_func) (const RAND_METHOD *meth, 158296465Sdelphij const RAND_METHOD **pmeth), 159296465Sdelphij const RAND_METHOD *(*get_rand_func) 160296465Sdelphij (const RAND_METHOD **pmeth)); 161194206Ssimonint eng_RAND_set_rand_method(const RAND_METHOD *meth, 162296465Sdelphij const RAND_METHOD **pmeth); 163194206Ssimonconst RAND_METHOD *eng_RAND_get_rand_method(const RAND_METHOD **pmeth); 164296465Sdelphij# endif 16568651Skris 16668651Skris#endif 167