diff options
Diffstat (limited to 'openssl/crypto/dh/dh_lib.c')
-rw-r--r-- | openssl/crypto/dh/dh_lib.c | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/openssl/crypto/dh/dh_lib.c b/openssl/crypto/dh/dh_lib.c deleted file mode 100644 index 7aef080e..00000000 --- a/openssl/crypto/dh/dh_lib.c +++ /dev/null @@ -1,247 +0,0 @@ -/* crypto/dh/dh_lib.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * 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 - * 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.] - */ - -#include <stdio.h> -#include "cryptlib.h" -#include <openssl/bn.h> -#include <openssl/dh.h> -#ifndef OPENSSL_NO_ENGINE -#include <openssl/engine.h> -#endif - -const char DH_version[]="Diffie-Hellman" OPENSSL_VERSION_PTEXT; - -static const DH_METHOD *default_DH_method = NULL; - -void DH_set_default_method(const DH_METHOD *meth) - { - default_DH_method = meth; - } - -const DH_METHOD *DH_get_default_method(void) - { - if(!default_DH_method) - default_DH_method = DH_OpenSSL(); - return default_DH_method; - } - -int DH_set_method(DH *dh, const DH_METHOD *meth) - { - /* NB: The caller is specifically setting a method, so it's not up to us - * to deal with which ENGINE it comes from. */ - const DH_METHOD *mtmp; - mtmp = dh->meth; - if (mtmp->finish) mtmp->finish(dh); -#ifndef OPENSSL_NO_ENGINE - if (dh->engine) - { - ENGINE_finish(dh->engine); - dh->engine = NULL; - } -#endif - dh->meth = meth; - if (meth->init) meth->init(dh); - return 1; - } - -DH *DH_new(void) - { - return DH_new_method(NULL); - } - -DH *DH_new_method(ENGINE *engine) - { - DH *ret; - - ret=(DH *)OPENSSL_malloc(sizeof(DH)); - if (ret == NULL) - { - DHerr(DH_F_DH_NEW_METHOD,ERR_R_MALLOC_FAILURE); - return(NULL); - } - - ret->meth = DH_get_default_method(); -#ifndef OPENSSL_NO_ENGINE - if (engine) - { - if (!ENGINE_init(engine)) - { - DHerr(DH_F_DH_NEW_METHOD, ERR_R_ENGINE_LIB); - OPENSSL_free(ret); - return NULL; - } - ret->engine = engine; - } - else - ret->engine = ENGINE_get_default_DH(); - if(ret->engine) - { - ret->meth = ENGINE_get_DH(ret->engine); - if(!ret->meth) - { - DHerr(DH_F_DH_NEW_METHOD,ERR_R_ENGINE_LIB); - ENGINE_finish(ret->engine); - OPENSSL_free(ret); - return NULL; - } - } -#endif - - ret->pad=0; - ret->version=0; - ret->p=NULL; - ret->g=NULL; - ret->length=0; - ret->pub_key=NULL; - ret->priv_key=NULL; - ret->q=NULL; - ret->j=NULL; - ret->seed = NULL; - ret->seedlen = 0; - ret->counter = NULL; - ret->method_mont_p=NULL; - ret->references = 1; - ret->flags=ret->meth->flags; - CRYPTO_new_ex_data(CRYPTO_EX_INDEX_DH, ret, &ret->ex_data); - if ((ret->meth->init != NULL) && !ret->meth->init(ret)) - { -#ifndef OPENSSL_NO_ENGINE - if (ret->engine) - ENGINE_finish(ret->engine); -#endif - CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DH, ret, &ret->ex_data); - OPENSSL_free(ret); - ret=NULL; - } - return(ret); - } - -void DH_free(DH *r) - { - int i; - if(r == NULL) return; - i = CRYPTO_add(&r->references, -1, CRYPTO_LOCK_DH); -#ifdef REF_PRINT - REF_PRINT("DH",r); -#endif - if (i > 0) return; -#ifdef REF_CHECK - if (i < 0) - { - fprintf(stderr,"DH_free, bad reference count\n"); - abort(); - } -#endif - - if (r->meth->finish) - r->meth->finish(r); -#ifndef OPENSSL_NO_ENGINE - if (r->engine) - ENGINE_finish(r->engine); -#endif - - CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DH, r, &r->ex_data); - - if (r->p != NULL) BN_clear_free(r->p); - if (r->g != NULL) BN_clear_free(r->g); - if (r->q != NULL) BN_clear_free(r->q); - if (r->j != NULL) BN_clear_free(r->j); - if (r->seed) OPENSSL_free(r->seed); - if (r->counter != NULL) BN_clear_free(r->counter); - if (r->pub_key != NULL) BN_clear_free(r->pub_key); - if (r->priv_key != NULL) BN_clear_free(r->priv_key); - OPENSSL_free(r); - } - -int DH_up_ref(DH *r) - { - int i = CRYPTO_add(&r->references, 1, CRYPTO_LOCK_DH); -#ifdef REF_PRINT - REF_PRINT("DH",r); -#endif -#ifdef REF_CHECK - if (i < 2) - { - fprintf(stderr, "DH_up, bad reference count\n"); - abort(); - } -#endif - return ((i > 1) ? 1 : 0); - } - -int DH_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, - CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) - { - return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_DH, argl, argp, - new_func, dup_func, free_func); - } - -int DH_set_ex_data(DH *d, int idx, void *arg) - { - return(CRYPTO_set_ex_data(&d->ex_data,idx,arg)); - } - -void *DH_get_ex_data(DH *d, int idx) - { - return(CRYPTO_get_ex_data(&d->ex_data,idx)); - } - -int DH_size(const DH *dh) - { - return(BN_num_bytes(dh->p)); - } |