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

/* crypto/rsa/rsa_ameth.c */
/* Written by Dr Stephen N Henson (steve@openssl.org) 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>
#include <openssl/bn.h>
#ifndef OPENSSL_NO_CMS
#include <openssl/cms.h>
#endif
#include "asn1_locl.h"

static int rsa_pub_encode(X509_PUBKEY *pk, const 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_pub_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
	{
	if (BN_cmp(b->pkey.rsa->n,a->pkey.rsa->n) != 0
		|| BN_cmp(b->pkey.rsa->e,a->pkey.rsa->e) != 0)
			return 0;
	return 1;
	}

static int old_rsa_priv_decode(EVP_PKEY *pkey,
					const unsigned char **pder, int derlen)
	{
	RSA *rsa;
	if (!(rsa = d2i_RSAPrivateKey (NULL, pder, derlen)))
		{
		RSAerr(RSA_F_OLD_RSA_PRIV_DECODE, ERR_R_RSA_LIB);
		return 0;
		}
	EVP_PKEY_assign_RSA(pkey, rsa);
	return 1;
	}

static int old_rsa_priv_encode(const EVP_PKEY *pkey, unsigned char **pder)
	{
	return i2d_RSAPrivateKey(pkey->pkey.rsa, pder);
	}

static int rsa_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const 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;
	}

static int rsa_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8)
	{
	const unsigned char *p;
	int pklen;
	if (!PKCS8_pkey_get0(NULL, &p, &pklen, NULL, p8))
		return 0;
	return old_rsa_priv_decode(pkey, &p, pklen);
	}

static int int_rsa_size(const EVP_PKEY *pkey)
	{
	return RSA_size(pkey->pkey.rsa);
	}

static int rsa_bits(const EVP_PKEY *pkey)
	{
	return BN_num_bits(pkey->pkey.rsa->n);
	}

static void int_rsa_free(EVP_PKEY *pkey)
	{
	RSA_free(pkey->pkey.rsa);
	}


static void update_buflen(const BIGNUM *b, size_t *pbuflen)
	{
	size_t i;
	if (!b)
		return;
	if (*pbuflen < (i = (size_t)BN_num_bytes(b)))
			*pbuflen = i;
	}

static int do_rsa_print(BIO *bp, const RSA *x, int off, int priv)
	{
	char *str;
	const char *s;
	unsigned char *m=NULL;
	int ret=0, mod_len = 0;
	size_t buf_len=0;

	update_buflen(x->n, &buf_len);
	update_buflen(x->e, &buf_len);

	if (priv)
		{
		update_buflen(x->d, &buf_len);
		update_buflen(x->p, &buf_len);
		update_buflen(x->q, &buf_len);
		update_buflen(x->dmp1, &buf_len);
		update_buflen(x->dmq1, &buf_len);
		update_buflen(x->iqmp, &buf_len);
		}

	m=(unsigned char *)OPENSSL_malloc(buf_len+10);
	if (m == NULL)
		{
		RSAerr(RSA_F_DO_RSA_PRINT,ERR_R_MALLOC_FAILURE);
		goto err;
		}

	if (x->n != NULL)
		mod_len = BN_num_bits(x->n);

	if(!BIO_indent(bp,off,128))
		goto err;

	if (priv && x->d)
		{
		if (BIO_printf(bp,"Private-Key: (%d bit)\n", mod_len)
			<= 0) goto err;
		str = "modulus:";
		s = "publicExponent:";
		}
	else
		{
		if (BIO_printf(bp,"Public-Key: (%d bit)\n", mod_len)
			<= 0) goto err;
		str = "Modulus:";
		s= "Exponent:";
		}
	if (!ASN1_bn_print(bp,str,x->n,m,off)) goto err;
	if (!ASN1_bn_print(bp,s,x->e,m,off))
		goto err;
	if (priv)
		{
		if (!ASN1_bn_print(bp,"privateExponent:",x->d,m,off))
			goto err;
		if (!ASN1_bn_print(bp,"prime1:",x->p,m,off))
			goto err;
		if (!ASN1_bn_print(bp,"prime2:",x->q,m,off))
			goto err;
		if (!ASN1_bn_print(bp,"exponent1:",x->dmp1,m,off))
			goto err;
		if (!ASN1_bn_print(bp,"exponent2:",x->dmq1,m,off))
			goto err;
		if (!ASN1_bn_print(bp,"coefficient:",x->iqmp,m,off))
			goto err;
		}
	ret=1;
err:
	if (m != NULL) OPENSSL_free(m);
	return(ret);
	}

static int rsa_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent,
							ASN1_PCTX *ctx)
	{
	return do_rsa_print(bp, pkey->pkey.rsa, indent, 0);
	}


static int rsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent,
							ASN1_PCTX *ctx)
	{
	return do_rsa_print(bp, pkey->pkey.rsa, indent, 1);
	}

static int rsa_pss_param_print(BIO *bp, RSASSA_PSS_PARAMS *pss, int indent)
	{
	int rv = 0;
	X509_ALGOR *maskHash = NULL;
	if (!pss)
		{
		if (BIO_puts(bp, " (INVALID PSS PARAMETERS)\n") <= 0)
			return 0;
		}
	if (BIO_puts(bp, "\n") <= 0)
		goto err;
	if (!BIO_indent(bp, indent, 128))
		goto err;
	if (BIO_puts(bp, "Hash Algorithm: ") <= 0)
		goto err;

	if (pss->hashAlgorithm)
		{
		if (i2a_ASN1_OBJECT(bp, pss->hashAlgorithm->algorithm) <= 0)
			goto err;
		}
	else if (BIO_puts(bp, "sha1 (default)") <= 0)
		goto err;

	if (BIO_puts(bp, "\n") <= 0)
		goto err;

	if (!BIO_indent(bp, indent, 128))
		goto err;

	if (BIO_puts(bp, "Mask Algorithm: ") <= 0)
			goto err;
	if (pss->maskGenAlgorithm)
		{
		ASN1_TYPE *param = pss->maskGenAlgorithm->parameter;
		if (param->type == V_ASN1_SEQUENCE)
			{
			const unsigned char *p = param->value.sequence->data;
			int plen = param->value.sequence->length;
			maskHash = d2i_X509_ALGOR(NULL, &p, plen);
			}
		if (i2a_ASN1_OBJECT(bp, pss->maskGenAlgorithm->algorithm) <= 0)
			goto err;
		if (BIO_puts(bp, " with ") <= 0)
			goto err;
		if (i2a_ASN1_OBJECT(bp, maskHash->algorithm) <= 0)
			goto err;
		}
	else if (BIO_puts(bp, "mgf1 with sha1 (default)") <= 0)
		goto err;
	BIO_puts(bp, "\n");

	if (!BIO_indent(bp, indent, 128))
		goto err;
	if (BIO_puts(bp, "Salt Length: ") <= 0)
			goto err;
	if (pss->saltLength)
		{
		if (i2a_ASN1_INTEGER(bp, pss->saltLength) <= 0)
			goto err;
		}
	else if (BIO_puts(bp, "20 (default)") <= 0)
		goto err;
	BIO_puts(bp, "\n");

	if (!BIO_indent(bp, indent, 128))
		goto err;
	if (BIO_puts(bp, "Trailer Field: ") <= 0)
			goto err;
	if (pss->trailerField)
		{
		if (i2a_ASN1_INTEGER(bp, pss->trailerField) <= 0)
			goto err;
		}
	else if (BIO_puts(bp, "0xbc (default)") <= 0)
		goto err;
	BIO_puts(bp, "\n");
	
	rv = 1;

	err:
	if (maskHash)
		X509_ALGOR_free(maskHash);
	RSASSA_PSS_PARAMS_free(pss);
	return rv;

	}

static int rsa_sig_print(BIO *bp, const X509_ALGOR *sigalg,
					const ASN1_STRING *sig,
					int indent, ASN1_PCTX *pctx)
	{
	if (OBJ_obj2nid(sigalg->algorithm) == NID_rsassaPss)
		{
		RSASSA_PSS_PARAMS *pss = NULL;
		ASN1_TYPE *param = sigalg->parameter;
		if (param && param->type == V_ASN1_SEQUENCE)
			{
			const unsigned char *p = param->value.sequence->data;
			int plen = param->value.sequence->length;
			pss = d2i_RSASSA_PSS_PARAMS(NULL, &p, plen);
			}
		if (!rsa_pss_param_print(bp, pss, indent))
			return 0;
		}

	return X509_signature_dump(bp, sig, indent);
	}

static int rsa_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
	{
	X509_ALGOR *alg = NULL;
	switch (op)
		{

		case ASN1_PKEY_CTRL_PKCS7_SIGN:
		if (arg1 == 0)
			PKCS7_SIGNER_INFO_get0_algs(arg2, NULL, NULL, &alg);
		break;

		case ASN1_PKEY_CTRL_PKCS7_ENCRYPT:
		if (arg1 == 0)
			PKCS7_RECIP_INFO_get0_alg(arg2, &alg);
		break;
#ifndef OPENSSL_NO_CMS
		case ASN1_PKEY_CTRL_CMS_SIGN:
		if (arg1 == 0)
			CMS_SignerInfo_get0_algs(arg2, NULL, NULL, NULL, &alg);
		break;

		case ASN1_PKEY_CTRL_CMS_ENVELOPE:
		if (arg1 == 0)
			CMS_RecipientInfo_ktri_get0_algs(arg2, NULL, NULL, &alg);
		break;
#endif

		case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
		*(int *)arg2 = NID_sha1;
		return 1;

		default:
		return -2;

		}

	if (alg)
		X509_ALGOR_set0(alg, OBJ_nid2obj(NID_rsaEncryption),
							V_ASN1_NULL, 0);

	return 1;

	}


const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[] = 
	{
		{
		EVP_PKEY_RSA,
		EVP_PKEY_RSA,
		ASN1_PKEY_SIGPARAM_NULL,

		"RSA",
		"OpenSSL RSA method",

		rsa_pub_decode,
		rsa_pub_encode,
		rsa_pub_cmp,
		rsa_pub_print,

		rsa_priv_decode,
		rsa_priv_encode,
		rsa_priv_print,

		int_rsa_size,
		rsa_bits,

		0,0,0,0,0,0,

		rsa_sig_print,
		int_rsa_free,
		rsa_pkey_ctrl,
		old_rsa_priv_decode,
		old_rsa_priv_encode
		},

		{
		EVP_PKEY_RSA2,
		EVP_PKEY_RSA,
		ASN1_PKEY_ALIAS
		}
	};
Commit	Line	Data
09b88a4a	1	/* crypto/rsa/rsa_ameth.c */
2e597528	2	/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
448be743 DSH	3	* project 2006.
	4	*/
	5	/* ====================================================================
	6	* Copyright (c) 2006 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/asn1t.h>
	62	#include <openssl/x509.h>
	63	#include <openssl/rsa.h>
1e26a8ba	64	#include <openssl/bn.h>
8931b30d DSH	65	#ifndef OPENSSL_NO_CMS
	66	#include <openssl/cms.h>
	67	#endif
18e377b4	68	#include "asn1_locl.h"
448be743	69
6f81892e	70	static int rsa_pub_encode(X509_PUBKEY pk, const EVP_PKEY pkey)
448be743 DSH	71	{
	72	unsigned char *penc = NULL;
	73	int penclen;
	74	penclen = i2d_RSAPublicKey(pkey->pkey.rsa, &penc);
	75	if (penclen <= 0)
	76	return 0;
	77	if (X509_PUBKEY_set0_param(pk, OBJ_nid2obj(EVP_PKEY_RSA),
	78	V_ASN1_NULL, NULL, penc, penclen))
	79	return 1;
	80
	81	OPENSSL_free(penc);
	82	return 0;
	83	}
	84
	85	static int rsa_pub_decode(EVP_PKEY pkey, X509_PUBKEY pubkey)
	86	{
	87	const unsigned char *p;
	88	int pklen;
	89	RSA *rsa = NULL;
	90	if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, NULL, pubkey))
	91	return 0;
	92	if (!(rsa = d2i_RSAPublicKey(NULL, &p, pklen)))
	93	{
	94	RSAerr(RSA_F_RSA_PUB_DECODE, ERR_R_RSA_LIB);
	95	return 0;
	96	}
	97	EVP_PKEY_assign_RSA (pkey, rsa);
	98	return 1;
	99	}
	100
6f81892e DSH	101	static int rsa_pub_cmp(const EVP_PKEY a, const EVP_PKEY b)
	102	{
	103	if (BN_cmp(b->pkey.rsa->n,a->pkey.rsa->n) != 0
	104	\|\| BN_cmp(b->pkey.rsa->e,a->pkey.rsa->e) != 0)
	105	return 0;
	106	return 1;
	107	}
	108
e4263314	109	static int old_rsa_priv_decode(EVP_PKEY *pkey,
6343829a	110	const unsigned char **pder, int derlen)
448be743	111	{
e4263314 DSH	112	RSA *rsa;
e4263314 DSH	113	if (!(rsa = d2i_RSAPrivateKey (NULL, pder, derlen)))
448be743	114	{
5c95c2ac	115	RSAerr(RSA_F_OLD_RSA_PRIV_DECODE, ERR_R_RSA_LIB);
448be743 DSH	116	return 0;
448be743 DSH	117	}
e4263314	118	EVP_PKEY_assign_RSA(pkey, rsa);
448be743 DSH	119	return 1;
	120	}
	121
e4263314 DSH	122	static int old_rsa_priv_encode(const EVP_PKEY pkey, unsigned char *pder)
	123	{
	124	return i2d_RSAPrivateKey(pkey->pkey.rsa, pder);
	125	}
	126
6f81892e	127	static int rsa_priv_encode(PKCS8_PRIV_KEY_INFO p8, const EVP_PKEY pkey)
448be743 DSH	128	{
	129	unsigned char *rk = NULL;
	130	int rklen;
	131	rklen = i2d_RSAPrivateKey(pkey->pkey.rsa, &rk);
	132
	133	if (rklen <= 0)
	134	{
	135	RSAerr(RSA_F_RSA_PRIV_ENCODE,ERR_R_MALLOC_FAILURE);
	136	return 0;
	137	}
	138
	139	if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(NID_rsaEncryption), 0,
	140	V_ASN1_NULL, NULL, rk, rklen))
	141	{
	142	RSAerr(RSA_F_RSA_PRIV_ENCODE,ERR_R_MALLOC_FAILURE);
	143	return 0;
	144	}
	145
	146	return 1;
	147	}
	148
e4263314 DSH	149	static int rsa_priv_decode(EVP_PKEY pkey, PKCS8_PRIV_KEY_INFO p8)
	150	{
	151	const unsigned char *p;
	152	int pklen;
	153	if (!PKCS8_pkey_get0(NULL, &p, &pklen, NULL, p8))
	154	return 0;
	155	return old_rsa_priv_decode(pkey, &p, pklen);
	156	}
	157
6f81892e DSH	158	static int int_rsa_size(const EVP_PKEY *pkey)
	159	{
	160	return RSA_size(pkey->pkey.rsa);
	161	}
	162
	163	static int rsa_bits(const EVP_PKEY *pkey)
	164	{
	165	return BN_num_bits(pkey->pkey.rsa->n);
	166	}
	167
	168	static void int_rsa_free(EVP_PKEY *pkey)
	169	{
	170	RSA_free(pkey->pkey.rsa);
	171	}
	172
35208f36 DSH	173
	174	static void update_buflen(const BIGNUM b, size_t pbuflen)
	175	{
c20276e4	176	size_t i;
35208f36 DSH	177	if (!b)
	178	return;
	179	if (*pbuflen < (i = (size_t)BN_num_bytes(b)))
	180	*pbuflen = i;
	181	}
	182
	183	static int do_rsa_print(BIO bp, const RSA x, int off, int priv)
	184	{
	185	char *str;
	186	const char *s;
	187	unsigned char *m=NULL;
	188	int ret=0, mod_len = 0;
	189	size_t buf_len=0;
	190
	191	update_buflen(x->n, &buf_len);
	192	update_buflen(x->e, &buf_len);
	193
	194	if (priv)
	195	{
	196	update_buflen(x->d, &buf_len);
	197	update_buflen(x->p, &buf_len);
	198	update_buflen(x->q, &buf_len);
	199	update_buflen(x->dmp1, &buf_len);
	200	update_buflen(x->dmq1, &buf_len);
	201	update_buflen(x->iqmp, &buf_len);
	202	}
	203
	204	m=(unsigned char *)OPENSSL_malloc(buf_len+10);
	205	if (m == NULL)
	206	{
5c95c2ac	207	RSAerr(RSA_F_DO_RSA_PRINT,ERR_R_MALLOC_FAILURE);
35208f36 DSH	208	goto err;
	209	}
	210
	211	if (x->n != NULL)
	212	mod_len = BN_num_bits(x->n);
	213
	214	if(!BIO_indent(bp,off,128))
	215	goto err;
	216
	217	if (priv && x->d)
	218	{
	219	if (BIO_printf(bp,"Private-Key: (%d bit)\n", mod_len)
	220	<= 0) goto err;
	221	str = "modulus:";
	222	s = "publicExponent:";
	223	}
	224	else
	225	{
	226	if (BIO_printf(bp,"Public-Key: (%d bit)\n", mod_len)
	227	<= 0) goto err;
	228	str = "Modulus:";
	229	s= "Exponent:";
	230	}
	231	if (!ASN1_bn_print(bp,str,x->n,m,off)) goto err;
	232	if (!ASN1_bn_print(bp,s,x->e,m,off))
	233	goto err;
	234	if (priv)
	235	{
	236	if (!ASN1_bn_print(bp,"privateExponent:",x->d,m,off))
	237	goto err;
	238	if (!ASN1_bn_print(bp,"prime1:",x->p,m,off))
	239	goto err;
	240	if (!ASN1_bn_print(bp,"prime2:",x->q,m,off))
	241	goto err;
	242	if (!ASN1_bn_print(bp,"exponent1:",x->dmp1,m,off))
	243	goto err;
	244	if (!ASN1_bn_print(bp,"exponent2:",x->dmq1,m,off))
	245	goto err;
	246	if (!ASN1_bn_print(bp,"coefficient:",x->iqmp,m,off))
	247	goto err;
	248	}
	249	ret=1;
	250	err:
	251	if (m != NULL) OPENSSL_free(m);
	252	return(ret);
	253	}
	254
	255	static int rsa_pub_print(BIO bp, const EVP_PKEY pkey, int indent,
	256	ASN1_PCTX *ctx)
	257	{
	258	return do_rsa_print(bp, pkey->pkey.rsa, indent, 0);
	259	}
	260
	261
	262	static int rsa_priv_print(BIO bp, const EVP_PKEY pkey, int indent,
	263	ASN1_PCTX *ctx)
	264	{
	265	return do_rsa_print(bp, pkey->pkey.rsa, indent, 1);
	266	}
	267
ff04bbe3 DSH	268	static int rsa_pss_param_print(BIO bp, RSASSA_PSS_PARAMS pss, int indent)
	269	{
	270	int rv = 0;
	271	X509_ALGOR *maskHash = NULL;
	272	if (!pss)
	273	{
	274	if (BIO_puts(bp, " (INVALID PSS PARAMETERS)\n") <= 0)
	275	return 0;
	276	}
	277	if (BIO_puts(bp, "\n") <= 0)
	278	goto err;
	279	if (!BIO_indent(bp, indent, 128))
	280	goto err;
	281	if (BIO_puts(bp, "Hash Algorithm: ") <= 0)
	282	goto err;
	283
	284	if (pss->hashAlgorithm)
	285	{
	286	if (i2a_ASN1_OBJECT(bp, pss->hashAlgorithm->algorithm) <= 0)
	287	goto err;
	288	}
	289	else if (BIO_puts(bp, "sha1 (default)") <= 0)
	290	goto err;
	291
	292	if (BIO_puts(bp, "\n") <= 0)
	293	goto err;
	294
	295	if (!BIO_indent(bp, indent, 128))
	296	goto err;
	297
	298	if (BIO_puts(bp, "Mask Algorithm: ") <= 0)
	299	goto err;
	300	if (pss->maskGenAlgorithm)
	301	{
	302	ASN1_TYPE *param = pss->maskGenAlgorithm->parameter;
	303	if (param->type == V_ASN1_SEQUENCE)
	304	{
	305	const unsigned char *p = param->value.sequence->data;
	306	int plen = param->value.sequence->length;
	307	maskHash = d2i_X509_ALGOR(NULL, &p, plen);
	308	}
	309	if (i2a_ASN1_OBJECT(bp, pss->maskGenAlgorithm->algorithm) <= 0)
	310	goto err;
	311	if (BIO_puts(bp, " with ") <= 0)
	312	goto err;
	313	if (i2a_ASN1_OBJECT(bp, maskHash->algorithm) <= 0)
	314	goto err;
	315	}
	316	else if (BIO_puts(bp, "mgf1 with sha1 (default)") <= 0)
	317	goto err;
	318	BIO_puts(bp, "\n");
	319
	320	if (!BIO_indent(bp, indent, 128))
	321	goto err;
	322	if (BIO_puts(bp, "Salt Length: ") <= 0)
	323	goto err;
	324	if (pss->saltLength)
	325	{
	326	if (i2a_ASN1_INTEGER(bp, pss->saltLength) <= 0)
	327	goto err;
	328	}
	329	else if (BIO_puts(bp, "20 (default)") <= 0)
	330	goto err;
	331	BIO_puts(bp, "\n");
332
333	if (!BIO_indent(bp, indent, 128))
334	goto err;
335	if (BIO_puts(bp, "Trailer Field: ") <= 0)
336	goto err;
337	if (pss->trailerField)
338	{
339	if (i2a_ASN1_INTEGER(bp, pss->trailerField) <= 0)
340	goto err;
341	}
342	else if (BIO_puts(bp, "0xbc (default)") <= 0)
343	goto err;
344	BIO_puts(bp, "\n");
345
346	rv = 1;
347
348	err:
349	if (maskHash)
350	X509_ALGOR_free(maskHash);
351	RSASSA_PSS_PARAMS_free(pss);
352	return rv;
353
354	}
355
356	static int rsa_sig_print(BIO bp, const X509_ALGOR sigalg,
357	const ASN1_STRING *sig,
358	int indent, ASN1_PCTX *pctx)
359	{
360	if (OBJ_obj2nid(sigalg->algorithm) == NID_rsassaPss)
361	{
362	RSASSA_PSS_PARAMS *pss = NULL;
363	ASN1_TYPE *param = sigalg->parameter;
364	if (param && param->type == V_ASN1_SEQUENCE)
365	{
366	const unsigned char *p = param->value.sequence->data;
367	int plen = param->value.sequence->length;
368	pss = d2i_RSASSA_PSS_PARAMS(NULL, &p, plen);
369	}
370	if (!rsa_pss_param_print(bp, pss, indent))
371	return 0;
372	}
373
374	return X509_signature_dump(bp, sig, indent);
375	}
492a9e24 DSH	376
	377	static int rsa_pkey_ctrl(EVP_PKEY pkey, int op, long arg1, void arg2)
	378	{
4f1aa191	379	X509_ALGOR *alg = NULL;
492a9e24 DSH	380	switch (op)
492a9e24 DSH	381	{
a78568b7	382
492a9e24 DSH	383	case ASN1_PKEY_CTRL_PKCS7_SIGN:
492a9e24 DSH	384	if (arg1 == 0)
492a9e24	385	PKCS7_SIGNER_INFO_get0_algs(arg2, NULL, NULL, &alg);
4f1aa191	386	break;
492a9e24	387
a78568b7 DSH	388	case ASN1_PKEY_CTRL_PKCS7_ENCRYPT:
a78568b7 DSH	389	if (arg1 == 0)
a78568b7	390	PKCS7_RECIP_INFO_get0_alg(arg2, &alg);
4f1aa191	391	break;
8931b30d DSH	392	#ifndef OPENSSL_NO_CMS
	393	case ASN1_PKEY_CTRL_CMS_SIGN:
	394	if (arg1 == 0)
8931b30d	395	CMS_SignerInfo_get0_algs(arg2, NULL, NULL, NULL, &alg);
4f1aa191 DSH	396	break;
	397
	398	case ASN1_PKEY_CTRL_CMS_ENVELOPE:
	399	if (arg1 == 0)
	400	CMS_RecipientInfo_ktri_get0_algs(arg2, NULL, NULL, &alg);
	401	break;
8931b30d	402	#endif
a78568b7	403
03919683 DSH	404	case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
	405	(int )arg2 = NID_sha1;
	406	return 1;
	407
492a9e24 DSH	408	default:
	409	return -2;
	410
	411	}
	412
4f1aa191 DSH	413	if (alg)
	414	X509_ALGOR_set0(alg, OBJ_nid2obj(NID_rsaEncryption),
	415	V_ASN1_NULL, 0);
	416
	417	return 1;
	418
492a9e24 DSH	419	}
	420
	421
448be743 DSH	422	const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[] =
	423	{
	424	{
	425	EVP_PKEY_RSA,
	426	EVP_PKEY_RSA,
ee1d9ec0	427	ASN1_PKEY_SIGPARAM_NULL,
6f81892e	428
e4263314	429	"RSA",
d82e2718 DSH	430	"OpenSSL RSA method",
d82e2718 DSH	431
448be743 DSH	432	rsa_pub_decode,
448be743 DSH	433	rsa_pub_encode,
6f81892e	434	rsa_pub_cmp,
35208f36	435	rsa_pub_print,
6f81892e	436
448be743 DSH	437	rsa_priv_decode,
448be743 DSH	438	rsa_priv_encode,
35208f36	439	rsa_priv_print,
6f81892e DSH	440
	441	int_rsa_size,
	442	rsa_bits,
	443
ff04bbe3	444	0,0,0,0,0,0,
6f81892e	445
ff04bbe3	446	rsa_sig_print,
6f81892e	447	int_rsa_free,
492a9e24	448	rsa_pkey_ctrl,
e4263314 DSH	449	old_rsa_priv_decode,
e4263314 DSH	450	old_rsa_priv_encode
448be743 DSH	451	},
	452
	453	{
	454	EVP_PKEY_RSA2,
	455	EVP_PKEY_RSA,
	456	ASN1_PKEY_ALIAS
	457	}
	458	};