crypto/rsa/rsa_asn1.c

   1 /* rsa_asn1.c */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project 2000.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2000-2005 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 <stdio.h>
  60 #include "cryptlib.h"
  61 #include <openssl/bn.h>
  62 #include <openssl/rsa.h>
  63 #include <openssl/asn1t.h>
  64
  65 /* Override the default free and new methods */
  66 static int rsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
  67                                                                 void *exarg)
  68 {
  69         if(operation == ASN1_OP_NEW_PRE) {
  70                 *pval = (ASN1_VALUE *)RSA_new();
  71                 if(*pval) return 2;
  72                 return 0;
  73         } else if(operation == ASN1_OP_FREE_PRE) {
  74                 RSA_free((RSA *)*pval);
  75                 *pval = NULL;
  76                 return 2;
  77         }
  78         return 1;
  79 }
  80
  81 ASN1_SEQUENCE_cb(RSAPrivateKey, rsa_cb) = {
  82         ASN1_SIMPLE(RSA, version, LONG),
  83         ASN1_SIMPLE(RSA, n, BIGNUM),
  84         ASN1_SIMPLE(RSA, e, BIGNUM),
  85         ASN1_SIMPLE(RSA, d, BIGNUM),
  86         ASN1_SIMPLE(RSA, p, BIGNUM),
  87         ASN1_SIMPLE(RSA, q, BIGNUM),
  88         ASN1_SIMPLE(RSA, dmp1, BIGNUM),
  89         ASN1_SIMPLE(RSA, dmq1, BIGNUM),
  90         ASN1_SIMPLE(RSA, iqmp, BIGNUM)
  91 } ASN1_SEQUENCE_END_cb(RSA, RSAPrivateKey)
  92
  93
  94 ASN1_SEQUENCE_cb(RSAPublicKey, rsa_cb) = {
  95         ASN1_SIMPLE(RSA, n, BIGNUM),
  96         ASN1_SIMPLE(RSA, e, BIGNUM),
  97 } ASN1_SEQUENCE_END_cb(RSA, RSAPublicKey)
  98
  99 IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(RSA, RSAPrivateKey, RSAPrivateKey)
 100
 101 IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(RSA, RSAPublicKey, RSAPublicKey)
 102
 103 RSA *RSAPublicKey_dup(RSA *rsa)
 104         {
 105         return ASN1_item_dup(ASN1_ITEM_rptr(RSAPublicKey), rsa);
 106         }
 107
 108 RSA *RSAPrivateKey_dup(RSA *rsa)
 109         {
 110         return ASN1_item_dup(ASN1_ITEM_rptr(RSAPrivateKey), rsa);
 111         }