X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fdes%2Frand_key.c;h=da95bfebae29ce9a6303b6af9ef25e69ac0783c5;hp=2032c59df6f3e4a87b6da85900f4f4851d5d90ec;hb=e0a651945cb5a70a2abd9902c0fd3e9759d35867;hpb=cddfe788fbbc4726fcf9892963df3f3e823eb233 diff --git a/crypto/des/rand_key.c b/crypto/des/rand_key.c index 2032c59df6..da95bfebae 100644 --- a/crypto/des/rand_key.c +++ b/crypto/des/rand_key.c @@ -1,114 +1,66 @@ -/* crypto/des/rand_key.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. +/* ==================================================================== + * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: - * 1. Redistributions of source code must retain the copyright + * + * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. + * * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * */ -#include "des_locl.h" -#include - -static int seed=0; -static des_cblock init; - -void des_random_seed(des_cblock *key) - { - memcpy(&init,key,sizeof(des_cblock)); - seed=1; - } - -void des_random_key(des_cblock *ret) - { - des_key_schedule ks; - static DES_LONG c=0; - static unsigned short pid=0; - static des_cblock data={0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef}; - des_cblock key; - unsigned char *p; - DES_LONG t; - int i; - -#ifdef MSDOS - pid=1; -#else - if (!pid) pid=getpid(); -#endif - p=key; - if (seed) - { - for (i=0; i<8; i++) - { - data[i] ^= init[i]; - init[i]=0; - } - seed=0; - } - t=(DES_LONG)time(NULL); - l2c(t,p); - t=(DES_LONG)((pid)|((c++)<<16)); - l2c(t,p); - - des_set_odd_parity(&data); - des_set_key_unchecked(&data,ks); - des_cbc_cksum(key,&key,sizeof(key),ks,&data); - - des_set_odd_parity(&key); - des_set_key_unchecked(&key,ks); - des_cbc_cksum(key,&data,sizeof(key),ks,&key); +#include +#include - memcpy(ret,data,sizeof(key)); - memset(key,0,sizeof(key)); - memset(ks,0,sizeof(ks)); - t=0; - } +int DES_random_key(DES_cblock *ret) +{ + do { + if (RAND_bytes((unsigned char *)ret, sizeof(DES_cblock)) != 1) + return (0); + } while (DES_is_weak_key(ret)); + DES_set_odd_parity(ret); + return (1); +}