lib/libcrypto/rsa/rsa_depr.c

   1 /* $OpenBSD: rsa_depr.c,v 1.8 2014/07/11 08:44:49 jsing Exp $ */
   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 /* NB: This file contains deprecated functions (compatibility wrappers to the
  57  * "new" versions). */
  58
  59 #include <stdio.h>
  60 #include <time.h>
  61
  62 #include <openssl/opensslconf.h>
  63
  64 #include <openssl/bn.h>
  65 #include <openssl/rsa.h>
  66
  67 #ifndef OPENSSL_NO_DEPRECATED
  68
  69 RSA *
  70 RSA_generate_key(int bits, unsigned long e_value,
  71     void (*callback)(int, int, void *), void *cb_arg)
  72 {
  73         BN_GENCB cb;
  74         int i;
  75         RSA *rsa = RSA_new();
  76         BIGNUM *e = BN_new();
  77
  78         if (!rsa || !e)
  79                 goto err;
  80
  81         /* The problem is when building with 8, 16, or 32 BN_ULONG,
  82          * unsigned long can be larger */
  83         for (i = 0; i < (int)sizeof(unsigned long) * 8; i++) {
  84                 if (e_value & (1UL << i))
  85                         if (BN_set_bit(e, i) == 0)
  86                                 goto err;
  87         }
  88
  89         BN_GENCB_set_old(&cb, callback, cb_arg);
  90
  91         if (RSA_generate_key_ex(rsa, bits, e, &cb)) {
  92                 BN_free(e);
  93                 return rsa;
  94         }
  95 err:
  96         BN_free(e);
  97         RSA_free(rsa);
  98
  99         return 0;
 100 }
 101 #endif