1656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* crypto/dh/dh_lib.c */ 2656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * All rights reserved. 4656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 5656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This package is an SSL implementation written 6656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * by Eric Young (eay@cryptsoft.com). 7656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The implementation was written so as to conform with Netscapes SSL. 8656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 9656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This library is free for commercial and non-commercial use as long as 10656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the following conditions are aheared to. The following conditions 11656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * apply to all code found in this distribution, be it the RC4, RSA, 12656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * included with this distribution is covered by the same copyright terms 14656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 16656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Copyright remains Eric Young's, and as such any Copyright notices in 17656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the code are not to be removed. 18656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * If this package is used in a product, Eric Young should be given attribution 19656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * as the author of the parts of the library used. 20656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This can be in the form of a textual message at program startup or 21656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * in documentation (online or textual) provided with the package. 22656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 23656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Redistribution and use in source and binary forms, with or without 24656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * modification, are permitted provided that the following conditions 25656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * are met: 26656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1. Redistributions of source code must retain the copyright 27656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer. 28656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 29656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer in the 30656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * documentation and/or other materials provided with the distribution. 31656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 3. All advertising materials mentioning features or use of this software 32656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * must display the following acknowledgement: 33656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes cryptographic software written by 34656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Eric Young (eay@cryptsoft.com)" 35656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The word 'cryptographic' can be left out if the rouines from the library 36656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * being used are not cryptographic related :-). 37656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 4. If you include any Windows specific code (or a derivative thereof) from 38656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the apps directory (application code) you must include an acknowledgement: 39656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 41656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * SUCH DAMAGE. 52656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 53656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The licence and distribution terms for any publically available version or 54656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * derivative of this code cannot be changed. i.e. this code cannot simply be 55656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * copied and put under another distribution licence 56656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * [including the GNU Public Licence.] 57656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 58656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 59656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <stdio.h> 60656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include "cryptlib.h" 61656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/bn.h> 62656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/dh.h> 63656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ENGINE 64656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/engine.h> 65656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 66656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 67392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#ifdef OPENSSL_FIPS 68392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#include <openssl/fips.h> 69392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#endif 70392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom 71656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectconst char DH_version[]="Diffie-Hellman" OPENSSL_VERSION_PTEXT; 72656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 73656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic const DH_METHOD *default_DH_method = NULL; 74656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 75656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid DH_set_default_method(const DH_METHOD *meth) 76656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 77656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project default_DH_method = meth; 78656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 79656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 80656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectconst DH_METHOD *DH_get_default_method(void) 81656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 82656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!default_DH_method) 83392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom { 84392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#ifdef OPENSSL_FIPS 85392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom if (FIPS_mode()) 86392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom return FIPS_dh_openssl(); 87392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom else 88392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom return DH_OpenSSL(); 89392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#else 90656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project default_DH_method = DH_OpenSSL(); 91392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom#endif 92392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom } 93656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return default_DH_method; 94656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 95656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 96656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint DH_set_method(DH *dh, const DH_METHOD *meth) 97656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 98656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* NB: The caller is specifically setting a method, so it's not up to us 99656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * to deal with which ENGINE it comes from. */ 100656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project const DH_METHOD *mtmp; 101656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project mtmp = dh->meth; 102656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (mtmp->finish) mtmp->finish(dh); 103656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ENGINE 104656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (dh->engine) 105656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 106656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_finish(dh->engine); 107656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dh->engine = NULL; 108656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 109656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 110656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dh->meth = meth; 111656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (meth->init) meth->init(dh); 112656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 113656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 114656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 115656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectDH *DH_new(void) 116656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 117656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return DH_new_method(NULL); 118656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 119656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 120656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectDH *DH_new_method(ENGINE *engine) 121656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 122656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DH *ret; 123656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 124656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=(DH *)OPENSSL_malloc(sizeof(DH)); 125656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ret == NULL) 126656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 127656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DHerr(DH_F_DH_NEW_METHOD,ERR_R_MALLOC_FAILURE); 128656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(NULL); 129656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 130656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 131656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->meth = DH_get_default_method(); 132656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ENGINE 133656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (engine) 134656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 135656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!ENGINE_init(engine)) 136656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 137656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DHerr(DH_F_DH_NEW_METHOD, ERR_R_ENGINE_LIB); 138656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(ret); 139656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return NULL; 140656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 141656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->engine = engine; 142656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 143656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 144656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->engine = ENGINE_get_default_DH(); 145656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ret->engine) 146656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 147656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->meth = ENGINE_get_DH(ret->engine); 148656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!ret->meth) 149656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 150656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DHerr(DH_F_DH_NEW_METHOD,ERR_R_ENGINE_LIB); 151656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_finish(ret->engine); 152656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(ret); 153656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return NULL; 154656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 155656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 156656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 157656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 158656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->pad=0; 159656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->version=0; 160656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->p=NULL; 161656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->g=NULL; 162656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->length=0; 163656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->pub_key=NULL; 164656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->priv_key=NULL; 165656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->q=NULL; 166656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->j=NULL; 167656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->seed = NULL; 168656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->seedlen = 0; 169656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->counter = NULL; 170656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->method_mont_p=NULL; 171656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->references = 1; 172392aa7cc7d2b122614c5393c3e357da07fd07af3Brian Carlstrom ret->flags=ret->meth->flags & ~DH_FLAG_NON_FIPS_ALLOW; 173656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_new_ex_data(CRYPTO_EX_INDEX_DH, ret, &ret->ex_data); 174656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((ret->meth->init != NULL) && !ret->meth->init(ret)) 175656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 176656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ENGINE 177656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ret->engine) 178656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_finish(ret->engine); 179656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 180656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DH, ret, &ret->ex_data); 181656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(ret); 182656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=NULL; 183656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 184656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(ret); 185656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 186656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 187656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid DH_free(DH *r) 188656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 189656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i; 190656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(r == NULL) return; 191656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project i = CRYPTO_add(&r->references, -1, CRYPTO_LOCK_DH); 192656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifdef REF_PRINT 193656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project REF_PRINT("DH",r); 194656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 195656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i > 0) return; 196656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifdef REF_CHECK 197656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i < 0) 198656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 199656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project fprintf(stderr,"DH_free, bad reference count\n"); 200656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project abort(); 201656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 202656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 203656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 204656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->meth->finish) 205656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project r->meth->finish(r); 206656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ENGINE 207656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->engine) 208656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_finish(r->engine); 209656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 210656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 211656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DH, r, &r->ex_data); 212656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 213656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->p != NULL) BN_clear_free(r->p); 214656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->g != NULL) BN_clear_free(r->g); 215656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->q != NULL) BN_clear_free(r->q); 216656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->j != NULL) BN_clear_free(r->j); 217656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->seed) OPENSSL_free(r->seed); 218656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->counter != NULL) BN_clear_free(r->counter); 219656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->pub_key != NULL) BN_clear_free(r->pub_key); 220656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->priv_key != NULL) BN_clear_free(r->priv_key); 221656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(r); 222656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 223656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 224656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint DH_up_ref(DH *r) 225656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 226656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i = CRYPTO_add(&r->references, 1, CRYPTO_LOCK_DH); 227656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifdef REF_PRINT 228656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project REF_PRINT("DH",r); 229656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 230656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifdef REF_CHECK 231656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i < 2) 232656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 233656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project fprintf(stderr, "DH_up, bad reference count\n"); 234656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project abort(); 235656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 236656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 237656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ((i > 1) ? 1 : 0); 238656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 239656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 240656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint DH_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, 241656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) 242656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 243656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_DH, argl, argp, 244656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project new_func, dup_func, free_func); 245656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 246656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 247656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint DH_set_ex_data(DH *d, int idx, void *arg) 248656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 249656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(CRYPTO_set_ex_data(&d->ex_data,idx,arg)); 250656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 251656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 252656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid *DH_get_ex_data(DH *d, int idx) 253656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 254656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(CRYPTO_get_ex_data(&d->ex_data,idx)); 255656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 256656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 257656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint DH_size(const DH *dh) 258656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 259656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(BN_num_bytes(dh->p)); 260656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 261