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      1 /* rsa_asn1.c */
      2 /* Written by Dr Stephen N Henson (steve (at) openssl.org) for the OpenSSL
      3  * project 2000.
      4  */
      5 /* ====================================================================
      6  * Copyright (c) 2000 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 (at) 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 (at) cryptsoft.com).  This product includes software written by Tim
     55  * Hudson (tjh (at) 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 static ASN1_METHOD method={
     66         (I2D_OF(void))     i2d_RSAPrivateKey,
     67         (D2I_OF(void))     d2i_RSAPrivateKey,
     68         (void *(*)(void))  RSA_new,
     69         (void (*)(void *)) RSA_free};
     70 
     71 ASN1_METHOD *RSAPrivateKey_asn1_meth(void)
     72 	{
     73 	return(&method);
     74 	}
     75 
     76 /* Override the default free and new methods */
     77 static int rsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
     78 {
     79 	if(operation == ASN1_OP_NEW_PRE) {
     80 		*pval = (ASN1_VALUE *)RSA_new();
     81 		if(*pval) return 2;
     82 		return 0;
     83 	} else if(operation == ASN1_OP_FREE_PRE) {
     84 		RSA_free((RSA *)*pval);
     85 		*pval = NULL;
     86 		return 2;
     87 	}
     88 	return 1;
     89 }
     90 
     91 ASN1_SEQUENCE_cb(RSAPrivateKey, rsa_cb) = {
     92 	ASN1_SIMPLE(RSA, version, LONG),
     93 	ASN1_SIMPLE(RSA, n, BIGNUM),
     94 	ASN1_SIMPLE(RSA, e, BIGNUM),
     95 	ASN1_SIMPLE(RSA, d, BIGNUM),
     96 	ASN1_SIMPLE(RSA, p, BIGNUM),
     97 	ASN1_SIMPLE(RSA, q, BIGNUM),
     98 	ASN1_SIMPLE(RSA, dmp1, BIGNUM),
     99 	ASN1_SIMPLE(RSA, dmq1, BIGNUM),
    100 	ASN1_SIMPLE(RSA, iqmp, BIGNUM)
    101 } ASN1_SEQUENCE_END_cb(RSA, RSAPrivateKey)
    102 
    103 
    104 ASN1_SEQUENCE_cb(RSAPublicKey, rsa_cb) = {
    105 	ASN1_SIMPLE(RSA, n, BIGNUM),
    106 	ASN1_SIMPLE(RSA, e, BIGNUM),
    107 } ASN1_SEQUENCE_END_cb(RSA, RSAPublicKey)
    108 
    109 IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(RSA, RSAPrivateKey, RSAPrivateKey)
    110 
    111 IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(RSA, RSAPublicKey, RSAPublicKey)
    112 
    113 RSA *RSAPublicKey_dup(RSA *rsa)
    114 	{
    115 	return ASN1_item_dup(ASN1_ITEM_rptr(RSAPublicKey), rsa);
    116 	}
    117 
    118 RSA *RSAPrivateKey_dup(RSA *rsa)
    119 	{
    120 	return ASN1_item_dup(ASN1_ITEM_rptr(RSAPrivateKey), rsa);
    121 	}
    122