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 67656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectconst char DH_version[]="Diffie-Hellman" OPENSSL_VERSION_PTEXT; 68656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 69656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic const DH_METHOD *default_DH_method = NULL; 70656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 71656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid DH_set_default_method(const DH_METHOD *meth) 72656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 73656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project default_DH_method = meth; 74656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 75656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 76656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectconst DH_METHOD *DH_get_default_method(void) 77656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 78656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!default_DH_method) 79656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project default_DH_method = DH_OpenSSL(); 80656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return default_DH_method; 81656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 82656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 83656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint DH_set_method(DH *dh, const DH_METHOD *meth) 84656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 85656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* NB: The caller is specifically setting a method, so it's not up to us 86656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * to deal with which ENGINE it comes from. */ 87656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project const DH_METHOD *mtmp; 88656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project mtmp = dh->meth; 89656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (mtmp->finish) mtmp->finish(dh); 90656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ENGINE 91656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (dh->engine) 92656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 93656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_finish(dh->engine); 94656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dh->engine = NULL; 95656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 96656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 97656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project dh->meth = meth; 98656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (meth->init) meth->init(dh); 99656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 100656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 101656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 102656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectDH *DH_new(void) 103656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 104656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return DH_new_method(NULL); 105656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 106656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 107656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectDH *DH_new_method(ENGINE *engine) 108656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 109656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DH *ret; 110656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 111656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=(DH *)OPENSSL_malloc(sizeof(DH)); 112656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ret == NULL) 113656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 114656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DHerr(DH_F_DH_NEW_METHOD,ERR_R_MALLOC_FAILURE); 115656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(NULL); 116656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 117656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 118656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->meth = DH_get_default_method(); 119656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ENGINE 120656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (engine) 121656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 122656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (!ENGINE_init(engine)) 123656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 124656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project DHerr(DH_F_DH_NEW_METHOD, ERR_R_ENGINE_LIB); 125656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(ret); 126656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return NULL; 127656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 128656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->engine = engine; 129656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 130656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else 131656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->engine = ENGINE_get_default_DH(); 132656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ret->engine) 133656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 134656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->meth = ENGINE_get_DH(ret->engine); 135656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!ret->meth) 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 ENGINE_finish(ret->engine); 139656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(ret); 140656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return NULL; 141656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 142656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 143656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 144656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 145656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->pad=0; 146656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->version=0; 147656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->p=NULL; 148656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->g=NULL; 149656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->length=0; 150656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->pub_key=NULL; 151656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->priv_key=NULL; 152656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->q=NULL; 153656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->j=NULL; 154656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->seed = NULL; 155656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->seedlen = 0; 156656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->counter = NULL; 157656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->method_mont_p=NULL; 158656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->references = 1; 159656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret->flags=ret->meth->flags; 160656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_new_ex_data(CRYPTO_EX_INDEX_DH, ret, &ret->ex_data); 161656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if ((ret->meth->init != NULL) && !ret->meth->init(ret)) 162656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 163656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ENGINE 164656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (ret->engine) 165656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_finish(ret->engine); 166656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 167656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DH, ret, &ret->ex_data); 168656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(ret); 169656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ret=NULL; 170656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 171656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(ret); 172656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 173656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 174656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid DH_free(DH *r) 175656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 176656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i; 177656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(r == NULL) return; 178656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project i = CRYPTO_add(&r->references, -1, CRYPTO_LOCK_DH); 179656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifdef REF_PRINT 180656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project REF_PRINT("DH",r); 181656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 182656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i > 0) return; 183656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifdef REF_CHECK 184656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i < 0) 185656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 186656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project fprintf(stderr,"DH_free, bad reference count\n"); 187656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project abort(); 188656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 189656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 190656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 191656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->meth->finish) 192656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project r->meth->finish(r); 193656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifndef OPENSSL_NO_ENGINE 194656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->engine) 195656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ENGINE_finish(r->engine); 196656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 197656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 198656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DH, r, &r->ex_data); 199656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 200656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->p != NULL) BN_clear_free(r->p); 201656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->g != NULL) BN_clear_free(r->g); 202656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->q != NULL) BN_clear_free(r->q); 203656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->j != NULL) BN_clear_free(r->j); 204656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->seed) OPENSSL_free(r->seed); 205656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->counter != NULL) BN_clear_free(r->counter); 206656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->pub_key != NULL) BN_clear_free(r->pub_key); 207656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (r->priv_key != NULL) BN_clear_free(r->priv_key); 208656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project OPENSSL_free(r); 209656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 210656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 211656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint DH_up_ref(DH *r) 212656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 213656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int i = CRYPTO_add(&r->references, 1, CRYPTO_LOCK_DH); 214656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifdef REF_PRINT 215656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project REF_PRINT("DH",r); 216656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 217656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#ifdef REF_CHECK 218656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if (i < 2) 219656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 220656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project fprintf(stderr, "DH_up, bad reference count\n"); 221656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project abort(); 222656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 223656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#endif 224656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ((i > 1) ? 1 : 0); 225656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 226656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 227656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint DH_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, 228656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) 229656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 230656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_DH, argl, argp, 231656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project new_func, dup_func, free_func); 232656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 233656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 234656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint DH_set_ex_data(DH *d, int idx, void *arg) 235656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 236656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(CRYPTO_set_ex_data(&d->ex_data,idx,arg)); 237656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 238656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 239656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid *DH_get_ex_data(DH *d, int idx) 240656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 241656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(CRYPTO_get_ex_data(&d->ex_data,idx)); 242656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 243656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 244656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint DH_size(const DH *dh) 245656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 246656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return(BN_num_bytes(dh->p)); 247656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 248