+++ /dev/null
-/*
- * Copyright (c) 2000-2002,2011,2014 Apple Inc. All Rights Reserved.
- *
- * The contents of this file constitute Original Code as defined in and are
- * subject to the Apple Public Source License Version 1.2 (the 'License').
- * You may not use this file except in compliance with the License. Please obtain
- * a copy of the License at http://www.apple.com/publicsource and read it before
- * using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
- * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
- * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
- * specific language governing rights and limitations under the License.
- */
-
-/* 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>
-
-const char *DH_version="Diffie-Hellman" OPENSSL_VERSION_PTEXT;
-
-static DH_METHOD *default_DH_method;
-static int dh_meth_num = 0;
-static STACK_OF(CRYPTO_EX_DATA_FUNCS) *dh_meth = NULL;
-
-void DH_set_default_method(DH_METHOD *meth)
-{
- default_DH_method = meth;
-}
-
-DH_METHOD *DH_get_default_method(void)
-{
- if(!default_DH_method) default_DH_method = DH_OpenSSL();
- return default_DH_method;
-}
-
-DH_METHOD *DH_set_method(DH *dh, DH_METHOD *meth)
-{
- DH_METHOD *mtmp;
- mtmp = dh->meth;
- if (mtmp->finish) mtmp->finish(dh);
- dh->meth = meth;
- if (meth->init) meth->init(dh);
- return mtmp;
-}
-
-DH *DH_new(void)
-{
- return DH_new_method(NULL);
-}
-
-DH *DH_new_method(DH_METHOD *meth)
- {
- DH *ret;
- ret=(DH *)Malloc(sizeof(DH));
-
- if (ret == NULL)
- {
- DHerr(DH_F_DH_NEW,ERR_R_MALLOC_FAILURE);
- return(NULL);
- }
- if(meth) ret->meth = meth;
- else ret->meth = DH_get_default_method();
- 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(dh_meth,ret,&ret->ex_data);
- if ((ret->meth->init != NULL) && !ret->meth->init(ret))
- {
- CRYPTO_free_ex_data(dh_meth,ret,&ret->ex_data);
- 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);
-
- CRYPTO_free_ex_data(dh_meth, 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) 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);
- Free(r);
- }
-
-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)
- {
- dh_meth_num++;
- return(CRYPTO_get_ex_new_index(dh_meth_num-1,
- &dh_meth,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(DH *dh)
- {
- return(BN_num_bytes(dh->p));
- }
projects / apple / security.git / blobdiff