1193645Ssimon/* fips_dh_lib.c */ 2296465Sdelphij/* 3296465Sdelphij * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project 4296465Sdelphij * 2007. 5193645Ssimon */ 6193645Ssimon/* ==================================================================== 7193645Ssimon * Copyright (c) 2007 The OpenSSL Project. All rights reserved. 8193645Ssimon * 9193645Ssimon * Redistribution and use in source and binary forms, with or without 10193645Ssimon * modification, are permitted provided that the following conditions 11193645Ssimon * are met: 12193645Ssimon * 13193645Ssimon * 1. Redistributions of source code must retain the above copyright 14296465Sdelphij * notice, this list of conditions and the following disclaimer. 15193645Ssimon * 16193645Ssimon * 2. Redistributions in binary form must reproduce the above copyright 17193645Ssimon * notice, this list of conditions and the following disclaimer in 18193645Ssimon * the documentation and/or other materials provided with the 19193645Ssimon * distribution. 20193645Ssimon * 21193645Ssimon * 3. All advertising materials mentioning features or use of this 22193645Ssimon * software must display the following acknowledgment: 23193645Ssimon * "This product includes software developed by the OpenSSL Project 24193645Ssimon * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 25193645Ssimon * 26193645Ssimon * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 27193645Ssimon * endorse or promote products derived from this software without 28193645Ssimon * prior written permission. For written permission, please contact 29193645Ssimon * licensing@OpenSSL.org. 30193645Ssimon * 31193645Ssimon * 5. Products derived from this software may not be called "OpenSSL" 32193645Ssimon * nor may "OpenSSL" appear in their names without prior written 33193645Ssimon * permission of the OpenSSL Project. 34193645Ssimon * 35193645Ssimon * 6. Redistributions of any form whatsoever must retain the following 36193645Ssimon * acknowledgment: 37193645Ssimon * "This product includes software developed by the OpenSSL Project 38193645Ssimon * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 39193645Ssimon * 40193645Ssimon * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 41193645Ssimon * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42193645Ssimon * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43193645Ssimon * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 44193645Ssimon * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45193645Ssimon * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46193645Ssimon * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 47193645Ssimon * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48193645Ssimon * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 49193645Ssimon * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 50193645Ssimon * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 51193645Ssimon * OF THE POSSIBILITY OF SUCH DAMAGE. 52193645Ssimon * ==================================================================== 53193645Ssimon * 54193645Ssimon * This product includes cryptographic software written by Eric Young 55193645Ssimon * (eay@cryptsoft.com). This product includes software written by Tim 56193645Ssimon * Hudson (tjh@cryptsoft.com). 57193645Ssimon * 58193645Ssimon */ 59193645Ssimon 60193645Ssimon#include <string.h> 61193645Ssimon#include <openssl/bn.h> 62193645Ssimon#include <openssl/dh.h> 63193645Ssimon 64296465Sdelphij/* 65296465Sdelphij * Minimal FIPS versions of FIPS_dh_new() and FIPS_dh_free(): to reduce 66296465Sdelphij * external dependencies. 67193645Ssimon */ 68193645Ssimon 69193645SsimonDH *FIPS_dh_new(void) 70296465Sdelphij{ 71296465Sdelphij DH *ret; 72296465Sdelphij ret = OPENSSL_malloc(sizeof(DH)); 73296465Sdelphij if (!ret) 74296465Sdelphij return NULL; 75296465Sdelphij memset(ret, 0, sizeof(DH)); 76296465Sdelphij ret->meth = DH_OpenSSL(); 77296465Sdelphij if (ret->meth->init) 78296465Sdelphij ret->meth->init(ret); 79296465Sdelphij return ret; 80296465Sdelphij} 81193645Ssimon 82193645Ssimonvoid FIPS_dh_free(DH *r) 83296465Sdelphij{ 84296465Sdelphij if (!r) 85296465Sdelphij return; 86296465Sdelphij if (r->meth->finish) 87296465Sdelphij r->meth->finish(r); 88296465Sdelphij if (r->p != NULL) 89296465Sdelphij BN_clear_free(r->p); 90296465Sdelphij if (r->g != NULL) 91296465Sdelphij BN_clear_free(r->g); 92296465Sdelphij if (r->q != NULL) 93296465Sdelphij BN_clear_free(r->q); 94296465Sdelphij if (r->j != NULL) 95296465Sdelphij BN_clear_free(r->j); 96296465Sdelphij if (r->seed) 97296465Sdelphij OPENSSL_free(r->seed); 98296465Sdelphij if (r->counter != NULL) 99296465Sdelphij BN_clear_free(r->counter); 100296465Sdelphij if (r->pub_key != NULL) 101296465Sdelphij BN_clear_free(r->pub_key); 102296465Sdelphij if (r->priv_key != NULL) 103296465Sdelphij BN_clear_free(r->priv_key); 104296465Sdelphij OPENSSL_free(r); 105296465Sdelphij} 106