crypto/rsa/rsa_depr.c

   1 /* crypto/rsa/rsa_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 /*
  57  * NB: This file contains deprecated functions (compatibility wrappers to the
  58  * "new" versions).
  59  */
  60
  61 #include <stdio.h>
  62 #include <time.h>
  63 #include "internal/cryptlib.h"
  64 #include <openssl/opensslconf.h>
  65 #include <openssl/bn.h>
  66 #include <openssl/rsa.h>
  67
  68 #if OPENSSL_API_COMPAT >= 0x00908000L
  69
  70 static void *dummy = &dummy;
  71
  72 #else
  73
  74 RSA *RSA_generate_key(int bits, unsigned long e_value,
  75                       void (*callback) (int, int, void *), void *cb_arg)
  76 {
  77     int i;
  78     BN_GENCB *cb = BN_GENCB_new();
  79     RSA *rsa = RSA_new();
  80     BIGNUM *e = BN_new();
  81
  82     if (cb == NULL || rsa == NULL || e == NULL)
  83         goto err;
  84
  85     /*
  86      * The problem is when building with 8, 16, or 32 BN_ULONG, unsigned long
  87      * can be larger
  88      */
  89     for (i = 0; i < (int)sizeof(unsigned long) * 8; i++) {
  90         if (e_value & (1UL << i))
  91             if (BN_set_bit(e, i) == 0)
  92                 goto err;
  93     }
  94
  95     BN_GENCB_set_old(cb, callback, cb_arg);
  96
  97     if (RSA_generate_key_ex(rsa, bits, e, cb)) {
  98         BN_free(e);
  99         BN_GENCB_free(cb);
 100         return rsa;
 101     }
 102  err:
 103     BN_free(e);
 104     RSA_free(rsa);
 105     BN_GENCB_free(cb);
 106     return 0;
 107 }
 108 #endif