fips-1.0/rsa/fips_rsa_lib.c

   1 /* fips_rsa_sign.c */
   2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
   3  * project 2007.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2007 The OpenSSL Project.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in
  17  *    the documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  * 3. All advertising materials mentioning features or use of this
  21  *    software must display the following acknowledgment:
  22  *    "This product includes software developed by the OpenSSL Project
  23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24  *
  25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26  *    endorse or promote products derived from this software without
  27  *    prior written permission. For written permission, please contact
  28  *    licensing@OpenSSL.org.
  29  *
  30  * 5. Products derived from this software may not be called "OpenSSL"
  31  *    nor may "OpenSSL" appear in their names without prior written
  32  *    permission of the OpenSSL Project.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50  * OF THE POSSIBILITY OF SUCH DAMAGE.
  51  * ====================================================================
  52  *
  53  * This product includes cryptographic software written by Eric Young
  54  * (eay@cryptsoft.com).  This product includes software written by Tim
  55  * Hudson (tjh@cryptsoft.com).
  56  *
  57  */
  58
  59 #include <string.h>
  60 #include <openssl/evp.h>
  61 #include <openssl/rsa.h>
  62 #include <openssl/err.h>
  63
  64 /* Minimal FIPS versions of FIPS_rsa_new() and FIPS_rsa_free: to
  65  * reduce external dependencies.
  66  */
  67
  68 RSA *FIPS_rsa_new(void)
  69         {
  70         RSA *ret;
  71         ret = OPENSSL_malloc(sizeof(RSA));
  72         if (!ret)
  73                 return NULL;
  74         memset(ret, 0, sizeof(RSA));
  75         ret->meth = RSA_PKCS1_SSLeay();
  76         if (ret->meth->init)
  77                 ret->meth->init(ret);
  78         return ret;
  79         }
  80
  81 void FIPS_rsa_free(RSA *r)
  82         {
  83         if (!r)
  84                 return;
  85         if (r->meth->finish)
  86                 r->meth->finish(r);
  87         if (r->n != NULL) BN_clear_free(r->n);
  88         if (r->e != NULL) BN_clear_free(r->e);
  89         if (r->d != NULL) BN_clear_free(r->d);
  90         if (r->p != NULL) BN_clear_free(r->p);
  91         if (r->q != NULL) BN_clear_free(r->q);
  92         if (r->dmp1 != NULL) BN_clear_free(r->dmp1);
  93         if (r->dmq1 != NULL) BN_clear_free(r->dmq1);
  94         if (r->iqmp != NULL) BN_clear_free(r->iqmp);
  95         if (r->blinding != NULL) BN_BLINDING_free(r->blinding);
  96         if (r->mt_blinding != NULL) BN_BLINDING_free(r->mt_blinding);
  97         if (r->bignum_data != NULL) OPENSSL_free_locked(r->bignum_data);
  98         OPENSSL_free(r);
  99         }
 100