[thirdparty/openssl.git] / crypto / rsa / rsa_ameth.c

/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
 * project 2006.
 */
/* ====================================================================
 * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

#include <stdio.h>
#include "cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/x509.h>
#include <openssl/rsa.h>

static int rsa_pub_encode(X509_PUBKEY *pk, EVP_PKEY *pkey)
	{
	unsigned char *penc = NULL;
	int penclen;
	penclen = i2d_RSAPublicKey(pkey->pkey.rsa, &penc);
	if (penclen <= 0)
		return 0;
	if (X509_PUBKEY_set0_param(pk, OBJ_nid2obj(EVP_PKEY_RSA),
				V_ASN1_NULL, NULL, penc, penclen))
		return 1;

	OPENSSL_free(penc);
	return 0;
	}

static int rsa_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
	{
	const unsigned char *p;
	int pklen;
	RSA *rsa = NULL;
	if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, NULL, pubkey))
		return 0;
	if (!(rsa = d2i_RSAPublicKey(NULL, &p, pklen)))
		{
		RSAerr(RSA_F_RSA_PUB_DECODE, ERR_R_RSA_LIB);
		return 0;
		}
	EVP_PKEY_assign_RSA (pkey, rsa);
	return 1;
	}

static int rsa_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8)
	{
	const unsigned char *p;
	int pklen;
	RSA *rsa = NULL;
	if (!PKCS8_pkey_get0(NULL, &p, &pklen, NULL, p8))
		return 0;
	if (!(rsa = d2i_RSAPrivateKey (NULL, &p, pklen)))
		{
		RSAerr(RSA_F_RSA_PRIV_DECODE, ERR_R_RSA_LIB);
		return 0;
		}
	EVP_PKEY_assign_RSA (pkey, rsa);
	return 1;
	}

static int rsa_priv_encode(PKCS8_PRIV_KEY_INFO *p8, EVP_PKEY *pkey)
	{
	unsigned char *rk = NULL;
	int rklen;
	rklen = i2d_RSAPrivateKey(pkey->pkey.rsa, &rk);

	if (rklen <= 0)
		{
		RSAerr(RSA_F_RSA_PRIV_ENCODE,ERR_R_MALLOC_FAILURE);
		return 0;
		}

	if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_rsaEncryption), 0,
				V_ASN1_NULL, NULL, rk, rklen))
		{
		RSAerr(RSA_F_RSA_PRIV_ENCODE,ERR_R_MALLOC_FAILURE);
		return 0;
		}

	return 1;
	}

const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[] = 
	{
		{
		EVP_PKEY_RSA,
		EVP_PKEY_RSA,
		0,
		rsa_pub_decode,
		rsa_pub_encode,
		0,
		rsa_priv_decode,
		rsa_priv_encode,
		0,
		0,
		0
		},

		{
		EVP_PKEY_RSA2,
		EVP_PKEY_RSA,
		ASN1_PKEY_ALIAS
		}
	};
Commit	Line	Data
448be743 DSH	1	/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
	2	* project 2006.
	3	*/
	4	/* ====================================================================
	5	* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
	6	*
	7	* Redistribution and use in source and binary forms, with or without
	8	* modification, are permitted provided that the following conditions
	9	* are met:
	10	*
	11	* 1. Redistributions of source code must retain the above copyright
	12	* notice, this list of conditions and the following disclaimer.
	13	*
	14	* 2. Redistributions in binary form must reproduce the above copyright
	15	* notice, this list of conditions and the following disclaimer in
	16	* the documentation and/or other materials provided with the
	17	* distribution.
	18	*
	19	* 3. All advertising materials mentioning features or use of this
	20	* software must display the following acknowledgment:
	21	* "This product includes software developed by the OpenSSL Project
	22	* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
	23	*
	24	* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
	25	* endorse or promote products derived from this software without
	26	* prior written permission. For written permission, please contact
	27	* licensing@OpenSSL.org.
	28	*
	29	* 5. Products derived from this software may not be called "OpenSSL"
	30	* nor may "OpenSSL" appear in their names without prior written
	31	* permission of the OpenSSL Project.
	32	*
	33	* 6. Redistributions of any form whatsoever must retain the following
	34	* acknowledgment:
	35	* "This product includes software developed by the OpenSSL Project
	36	* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
	37	*
	38	* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
	39	* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	40	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	41	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
	42	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	43	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	44	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
	45	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	46	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	47	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	48	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
	49	* OF THE POSSIBILITY OF SUCH DAMAGE.
	50	* ====================================================================
	51	*
	52	* This product includes cryptographic software written by Eric Young
	53	* (eay@cryptsoft.com). This product includes software written by Tim
	54	* Hudson (tjh@cryptsoft.com).
	55	*
	56	*/
	57
	58	#include <stdio.h>
	59	#include "cryptlib.h"
	60	#include <openssl/asn1t.h>
	61	#include <openssl/x509.h>
	62	#include <openssl/rsa.h>
	63
	64	static int rsa_pub_encode(X509_PUBKEY pk, EVP_PKEY pkey)
65	{
66	unsigned char *penc = NULL;
67	int penclen;
68	penclen = i2d_RSAPublicKey(pkey->pkey.rsa, &penc);
69	if (penclen <= 0)
70	return 0;
71	if (X509_PUBKEY_set0_param(pk, OBJ_nid2obj(EVP_PKEY_RSA),
72	V_ASN1_NULL, NULL, penc, penclen))
73	return 1;
74
75	OPENSSL_free(penc);
76	return 0;
77	}
78
79	static int rsa_pub_decode(EVP_PKEY pkey, X509_PUBKEY pubkey)
80	{
81	const unsigned char *p;
82	int pklen;
83	RSA *rsa = NULL;
84	if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, NULL, pubkey))
85	return 0;
86	if (!(rsa = d2i_RSAPublicKey(NULL, &p, pklen)))
87	{
88	RSAerr(RSA_F_RSA_PUB_DECODE, ERR_R_RSA_LIB);
89	return 0;
90	}
91	EVP_PKEY_assign_RSA (pkey, rsa);
92	return 1;
93	}
94
95	static int rsa_priv_decode(EVP_PKEY pkey, PKCS8_PRIV_KEY_INFO p8)
96	{
97	const unsigned char *p;
98	int pklen;
99	RSA *rsa = NULL;
100	if (!PKCS8_pkey_get0(NULL, &p, &pklen, NULL, p8))
101	return 0;
102	if (!(rsa = d2i_RSAPrivateKey (NULL, &p, pklen)))
103	{
104	RSAerr(RSA_F_RSA_PRIV_DECODE, ERR_R_RSA_LIB);
105	return 0;
106	}
107	EVP_PKEY_assign_RSA (pkey, rsa);
108	return 1;
109	}
110
111	static int rsa_priv_encode(PKCS8_PRIV_KEY_INFO p8, EVP_PKEY pkey)
112	{
113	unsigned char *rk = NULL;
114	int rklen;
115	rklen = i2d_RSAPrivateKey(pkey->pkey.rsa, &rk);
116
117	if (rklen <= 0)
118	{
119	RSAerr(RSA_F_RSA_PRIV_ENCODE,ERR_R_MALLOC_FAILURE);
120	return 0;
121	}
122
123	if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_rsaEncryption), 0,
124	V_ASN1_NULL, NULL, rk, rklen))
125	{
126	RSAerr(RSA_F_RSA_PRIV_ENCODE,ERR_R_MALLOC_FAILURE);
127	return 0;
128	}
129
130	return 1;
131	}
132
133	const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[] =
134	{
135	{
136	EVP_PKEY_RSA,
137	EVP_PKEY_RSA,
138	0,
139	rsa_pub_decode,
140	rsa_pub_encode,
141	0,
142	rsa_priv_decode,
143	rsa_priv_encode,
144	0,
145	0,
146	0
147	},
148
149	{
150	EVP_PKEY_RSA2,
151	EVP_PKEY_RSA,
152	ASN1_PKEY_ALIAS
153	}
154	};