1656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* crypto/des/rand_key.c */ 2656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* ==================================================================== 3656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. 4656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 5656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Redistribution and use in source and binary forms, with or without 6656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * modification, are permitted provided that the following conditions 7656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * are met: 8656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 9656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1. Redistributions of source code must retain the above copyright 10656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer. 11656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 12656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 13656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer in 14656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the documentation and/or other materials provided with the 15656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * distribution. 16656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 17656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 3. All advertising materials mentioning features or use of this 18656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * software must display the following acknowledgment: 19656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software developed by the OpenSSL Project 20656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 21656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 22656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 23656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * endorse or promote products derived from this software without 24656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * prior written permission. For written permission, please contact 25656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * openssl-core@openssl.org. 26656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 27656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 5. Products derived from this software may not be called "OpenSSL" 28656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * nor may "OpenSSL" appear in their names without prior written 29656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * permission of the OpenSSL Project. 30656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 31656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 6. Redistributions of any form whatsoever must retain the following 32656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * acknowledgment: 33656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software developed by the OpenSSL Project 34656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 35656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 36656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 37656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 38656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 39656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 40656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 41656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 42656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 43656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 44656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 45656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 46656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 47656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OF THE POSSIBILITY OF SUCH DAMAGE. 48656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ==================================================================== 49656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 50656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This product includes cryptographic software written by Eric Young 51656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * (eay@cryptsoft.com). This product includes software written by Tim 52656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Hudson (tjh@cryptsoft.com). 53656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 54656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 55656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 56656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/des.h> 57656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/rand.h> 58656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 59656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint DES_random_key(DES_cblock *ret) 60656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 61656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project do 62656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 63656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (RAND_bytes((unsigned char *)ret, sizeof(DES_cblock)) != 1) 64656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return (0); 65656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } while (DES_is_weak_key(ret)); 66656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DES_set_odd_parity(ret); 67656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return (1); 68656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 69