crypto/openssl-0.9/crypto/bn/bn_depr.c

   1 /* crypto/bn/bn_depr.c */
   2 /* ====================================================================
   3  * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  *
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in
  14  *    the documentation and/or other materials provided with the
  15  *    distribution.
  16  *
  17  * 3. All advertising materials mentioning features or use of this
  18  *    software must display the following acknowledgment:
  19  *    "This product includes software developed by the OpenSSL Project
  20  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  21  *
  22  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  23  *    endorse or promote products derived from this software without
  24  *    prior written permission. For written permission, please contact
  25  *    openssl-core@openssl.org.
  26  *
  27  * 5. Products derived from this software may not be called "OpenSSL"
  28  *    nor may "OpenSSL" appear in their names without prior written
  29  *    permission of the OpenSSL Project.
  30  *
  31  * 6. Redistributions of any form whatsoever must retain the following
  32  *    acknowledgment:
  33  *    "This product includes software developed by the OpenSSL Project
  34  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  35  *
  36  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  37  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  38  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  39  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  42  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  43  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  44  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  45  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  46  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  47  * OF THE POSSIBILITY OF SUCH DAMAGE.
  48  * ====================================================================
  49  *
  50  * This product includes cryptographic software written by Eric Young
  51  * (eay@cryptsoft.com).  This product includes software written by Tim
  52  * Hudson (tjh@cryptsoft.com).
  53  *
  54  */
  55
  56 /* Support for deprecated functions goes here - static linkage will only slurp
  57  * this code if applications are using them directly. */
  58
  59 #include <stdio.h>
  60 #include <time.h>
  61 #include "cryptlib.h"
  62 #include "bn_lcl.h"
  63 #include <openssl/rand.h>
  64
  65 static void *dummy=&dummy;
  66
  67 #ifndef OPENSSL_NO_DEPRECATED
  68 BIGNUM *BN_generate_prime(BIGNUM *ret, int bits, int safe,
  69         const BIGNUM *add, const BIGNUM *rem,
  70         void (*callback)(int,int,void *), void *cb_arg)
  71         {
  72         BN_GENCB cb;
  73         BIGNUM *rnd=NULL;
  74         int found = 0;
  75
  76         BN_GENCB_set_old(&cb, callback, cb_arg);
  77
  78         if (ret == NULL)
  79                 {
  80                 if ((rnd=BN_new()) == NULL) goto err;
  81                 }
  82         else
  83                 rnd=ret;
  84         if(!BN_generate_prime_ex(rnd, bits, safe, add, rem, &cb))
  85                 goto err;
  86
  87         /* we have a prime :-) */
  88         found = 1;
  89 err:
  90         if (!found && (ret == NULL) && (rnd != NULL)) BN_free(rnd);
  91         return(found ? rnd : NULL);
  92         }
  93
  94 int BN_is_prime(const BIGNUM *a, int checks, void (*callback)(int,int,void *),
  95         BN_CTX *ctx_passed, void *cb_arg)
  96         {
  97         BN_GENCB cb;
  98         BN_GENCB_set_old(&cb, callback, cb_arg);
  99         return BN_is_prime_ex(a, checks, ctx_passed, &cb);
 100         }
 101
 102 int BN_is_prime_fasttest(const BIGNUM *a, int checks,
 103                 void (*callback)(int,int,void *),
 104                 BN_CTX *ctx_passed, void *cb_arg,
 105                 int do_trial_division)
 106         {
 107         BN_GENCB cb;
 108         BN_GENCB_set_old(&cb, callback, cb_arg);
 109         return BN_is_prime_fasttest_ex(a, checks, ctx_passed,
 110                                 do_trial_division, &cb);
 111         }
 112 #endif