sl@0: /* evp_pkey.c */
sl@0: /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
sl@0:  * project 1999.
sl@0:  */
sl@0: /* ====================================================================
sl@0:  * Copyright (c) 1999-2002 The OpenSSL Project.  All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  *
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer. 
sl@0:  *
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in
sl@0:  *    the documentation and/or other materials provided with the
sl@0:  *    distribution.
sl@0:  *
sl@0:  * 3. All advertising materials mentioning features or use of this
sl@0:  *    software must display the following acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
sl@0:  *
sl@0:  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
sl@0:  *    endorse or promote products derived from this software without
sl@0:  *    prior written permission. For written permission, please contact
sl@0:  *    licensing@OpenSSL.org.
sl@0:  *
sl@0:  * 5. Products derived from this software may not be called "OpenSSL"
sl@0:  *    nor may "OpenSSL" appear in their names without prior written
sl@0:  *    permission of the OpenSSL Project.
sl@0:  *
sl@0:  * 6. Redistributions of any form whatsoever must retain the following
sl@0:  *    acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
sl@0:  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
sl@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
sl@0:  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
sl@0:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
sl@0:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
sl@0:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
sl@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
sl@0:  * OF THE POSSIBILITY OF SUCH DAMAGE.
sl@0:  * ====================================================================
sl@0:  *
sl@0:  * This product includes cryptographic software written by Eric Young
sl@0:  * (eay@cryptsoft.com).  This product includes software written by Tim
sl@0:  * Hudson (tjh@cryptsoft.com).
sl@0:  *
sl@0:  */
sl@0: 
sl@0: #include <stdio.h>
sl@0: #include <stdlib.h>
sl@0: #include "cryptlib.h"
sl@0: #include <openssl/x509.h>
sl@0: #include <openssl/rand.h>
sl@0: #ifndef OPENSSL_NO_RSA
sl@0: #include <openssl/rsa.h>
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_DSA
sl@0: #include <openssl/dsa.h>
sl@0: #endif
sl@0: #include <openssl/bn.h>
sl@0: 
sl@0: #ifndef OPENSSL_NO_DSA
sl@0: static int dsa_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8inf, EVP_PKEY *pkey);
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_EC
sl@0: static int eckey_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8inf, EVP_PKEY *pkey);
sl@0: #endif
sl@0: 
sl@0: /* Extract a private key from a PKCS8 structure */
sl@0: 
sl@0: EXPORT_C EVP_PKEY *EVP_PKCS82PKEY(PKCS8_PRIV_KEY_INFO *p8)
sl@0: {
sl@0: 	EVP_PKEY *pkey = NULL;
sl@0: #ifndef OPENSSL_NO_RSA
sl@0: 	RSA *rsa = NULL;
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_DSA
sl@0: 	DSA *dsa = NULL;
sl@0: 	ASN1_TYPE *t1, *t2;
sl@0: 	ASN1_INTEGER *privkey;
sl@0: 	STACK_OF(ASN1_TYPE) *ndsa = NULL;
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_EC
sl@0: 	EC_KEY *eckey = NULL;
sl@0: 	const unsigned char *p_tmp;
sl@0: #endif
sl@0: #if !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_EC)
sl@0: 	ASN1_TYPE    *param = NULL;	
sl@0: 	BN_CTX *ctx = NULL;
sl@0: 	int plen;
sl@0: #endif
sl@0: 	X509_ALGOR *a;
sl@0: 	const unsigned char *p;
sl@0: 	const unsigned char *cp;
sl@0: 	int pkeylen;
sl@0: 	int  nid;
sl@0: 	char obj_tmp[80];
sl@0: 
sl@0: 	if(p8->pkey->type == V_ASN1_OCTET_STRING) {
sl@0: 		p8->broken = PKCS8_OK;
sl@0: 		p = p8->pkey->value.octet_string->data;
sl@0: 		pkeylen = p8->pkey->value.octet_string->length;
sl@0: 	} else {
sl@0: 		p8->broken = PKCS8_NO_OCTET;
sl@0: 		p = p8->pkey->value.sequence->data;
sl@0: 		pkeylen = p8->pkey->value.sequence->length;
sl@0: 	}
sl@0: 	if (!(pkey = EVP_PKEY_new())) {
sl@0: 		EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
sl@0: 		return NULL;
sl@0: 	}
sl@0: 	a = p8->pkeyalg;
sl@0: 	nid = OBJ_obj2nid(a->algorithm);
sl@0: 	switch(nid)
sl@0: 	{
sl@0: #ifndef OPENSSL_NO_RSA
sl@0: 		case NID_rsaEncryption:
sl@0: 		cp = p;
sl@0: 		if (!(rsa = d2i_RSAPrivateKey (NULL,&cp, pkeylen))) {
sl@0: 			EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
sl@0: 			return NULL;
sl@0: 		}
sl@0: 		EVP_PKEY_assign_RSA (pkey, rsa);
sl@0: 		break;
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_DSA
sl@0: 		case NID_dsa:
sl@0: 		/* PKCS#8 DSA is weird: you just get a private key integer
sl@0: 	         * and parameters in the AlgorithmIdentifier the pubkey must
sl@0: 		 * be recalculated.
sl@0: 		 */
sl@0: 	
sl@0: 		/* Check for broken DSA PKCS#8, UGH! */
sl@0: 		if(*p == (V_ASN1_SEQUENCE|V_ASN1_CONSTRUCTED)) {
sl@0: 		    if(!(ndsa = ASN1_seq_unpack_ASN1_TYPE(p, pkeylen, 
sl@0: 							  d2i_ASN1_TYPE,
sl@0: 							  ASN1_TYPE_free))) {
sl@0: 			EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
sl@0: 			goto dsaerr;
sl@0: 		    }
sl@0: 		    if(sk_ASN1_TYPE_num(ndsa) != 2 ) {
sl@0: 			EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
sl@0: 			goto dsaerr;
sl@0: 		    }
sl@0: 		    /* Handle Two broken types:
sl@0: 		     * SEQUENCE {parameters, priv_key}
sl@0: 		     * SEQUENCE {pub_key, priv_key}
sl@0: 		     */
sl@0: 
sl@0: 		    t1 = sk_ASN1_TYPE_value(ndsa, 0);
sl@0: 		    t2 = sk_ASN1_TYPE_value(ndsa, 1);
sl@0: 		    if(t1->type == V_ASN1_SEQUENCE) {
sl@0: 			p8->broken = PKCS8_EMBEDDED_PARAM;
sl@0: 			param = t1;
sl@0: 		    } else if(a->parameter->type == V_ASN1_SEQUENCE) {
sl@0: 			p8->broken = PKCS8_NS_DB;
sl@0: 			param = a->parameter;
sl@0: 		    } else {
sl@0: 			EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
sl@0: 			goto dsaerr;
sl@0: 		    }
sl@0: 
sl@0: 		    if(t2->type != V_ASN1_INTEGER) {
sl@0: 			EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
sl@0: 			goto dsaerr;
sl@0: 		    }
sl@0: 		    privkey = t2->value.integer;
sl@0: 		} else {
sl@0: 			if (!(privkey=d2i_ASN1_INTEGER (NULL, &p, pkeylen))) {
sl@0: 				EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
sl@0: 				goto dsaerr;
sl@0: 			}
sl@0: 			param = p8->pkeyalg->parameter;
sl@0: 		}
sl@0: 		if (!param || (param->type != V_ASN1_SEQUENCE)) {
sl@0: 			EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
sl@0: 			goto dsaerr;
sl@0: 		}
sl@0: 		cp = p = param->value.sequence->data;
sl@0: 		plen = param->value.sequence->length;
sl@0: 		if (!(dsa = d2i_DSAparams (NULL, &cp, plen))) {
sl@0: 			EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
sl@0: 			goto dsaerr;
sl@0: 		}
sl@0: 		/* We have parameters now set private key */
sl@0: 		if (!(dsa->priv_key = ASN1_INTEGER_to_BN(privkey, NULL))) {
sl@0: 			EVPerr(EVP_F_EVP_PKCS82PKEY,EVP_R_BN_DECODE_ERROR);
sl@0: 			goto dsaerr;
sl@0: 		}
sl@0: 		/* Calculate public key (ouch!) */
sl@0: 		if (!(dsa->pub_key = BN_new())) {
sl@0: 			EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
sl@0: 			goto dsaerr;
sl@0: 		}
sl@0: 		if (!(ctx = BN_CTX_new())) {
sl@0: 			EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
sl@0: 			goto dsaerr;
sl@0: 		}
sl@0: 			
sl@0: 		if (!BN_mod_exp(dsa->pub_key, dsa->g,
sl@0: 						 dsa->priv_key, dsa->p, ctx)) {
sl@0: 			
sl@0: 			EVPerr(EVP_F_EVP_PKCS82PKEY,EVP_R_BN_PUBKEY_ERROR);
sl@0: 			goto dsaerr;
sl@0: 		}
sl@0: 
sl@0: 		EVP_PKEY_assign_DSA(pkey, dsa);
sl@0: 		BN_CTX_free (ctx);
sl@0: 		if(ndsa) sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
sl@0: 		else ASN1_INTEGER_free(privkey);
sl@0: 		break;
sl@0: 		dsaerr:
sl@0: 		BN_CTX_free (ctx);
sl@0: 		sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
sl@0: 		DSA_free(dsa);
sl@0: 		EVP_PKEY_free(pkey);
sl@0: 		return NULL;
sl@0: 		break;
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_EC
sl@0: 		case NID_X9_62_id_ecPublicKey:
sl@0: 		p_tmp = p;
sl@0: 		/* extract the ec parameters */
sl@0: 		param = p8->pkeyalg->parameter;
sl@0: 
sl@0: 		if (!param || ((param->type != V_ASN1_SEQUENCE) &&
sl@0: 		    (param->type != V_ASN1_OBJECT)))
sl@0: 		{
sl@0: 			EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
sl@0: 			goto ecerr;
sl@0: 		}
sl@0: 
sl@0: 		if (param->type == V_ASN1_SEQUENCE)
sl@0: 		{
sl@0: 			cp = p = param->value.sequence->data;
sl@0: 			plen = param->value.sequence->length;
sl@0: 
sl@0: 			if (!(eckey = d2i_ECParameters(NULL, &cp, plen)))
sl@0: 			{
sl@0: 				EVPerr(EVP_F_EVP_PKCS82PKEY,
sl@0: 					EVP_R_DECODE_ERROR);
sl@0: 				goto ecerr;
sl@0: 			}
sl@0: 		}
sl@0: 		else
sl@0: 		{
sl@0: 			EC_GROUP *group;
sl@0: 			cp = p = param->value.object->data;
sl@0: 			plen = param->value.object->length;
sl@0: 
sl@0: 			/* type == V_ASN1_OBJECT => the parameters are given
sl@0: 			 * by an asn1 OID
sl@0: 			 */
sl@0: 			if ((eckey = EC_KEY_new()) == NULL)
sl@0: 			{
sl@0: 				EVPerr(EVP_F_EVP_PKCS82PKEY,
sl@0: 					ERR_R_MALLOC_FAILURE);
sl@0: 				goto ecerr;
sl@0: 			}
sl@0: 			group = EC_GROUP_new_by_curve_name(OBJ_obj2nid(a->parameter->value.object));
sl@0: 			if (group == NULL)
sl@0: 				goto ecerr;
sl@0: 			EC_GROUP_set_asn1_flag(group, OPENSSL_EC_NAMED_CURVE);
sl@0: 			if (EC_KEY_set_group(eckey, group) == 0)
sl@0: 				goto ecerr;
sl@0: 			EC_GROUP_free(group);
sl@0: 		}
sl@0: 
sl@0: 		/* We have parameters now set private key */
sl@0: 		if (!d2i_ECPrivateKey(&eckey, &p_tmp, pkeylen))
sl@0: 		{
sl@0: 			EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
sl@0: 			goto ecerr;
sl@0: 		}
sl@0: 
sl@0: 		/* calculate public key (if necessary) */
sl@0: 		if (EC_KEY_get0_public_key(eckey) == NULL)
sl@0: 		{
sl@0: 			const BIGNUM *priv_key;
sl@0: 			const EC_GROUP *group;
sl@0: 			EC_POINT *pub_key;
sl@0: 			/* the public key was not included in the SEC1 private
sl@0: 			 * key => calculate the public key */
sl@0: 			group   = EC_KEY_get0_group(eckey);
sl@0: 			pub_key = EC_POINT_new(group);
sl@0: 			if (pub_key == NULL)
sl@0: 			{
sl@0: 				EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB);
sl@0: 				goto ecerr;
sl@0: 			}
sl@0: 			if (!EC_POINT_copy(pub_key, EC_GROUP_get0_generator(group)))
sl@0: 			{
sl@0: 				EC_POINT_free(pub_key);
sl@0: 				EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB);
sl@0: 				goto ecerr;
sl@0: 			}
sl@0: 			priv_key = EC_KEY_get0_private_key(eckey);
sl@0: 			if (!EC_POINT_mul(group, pub_key, priv_key, NULL, NULL, ctx))
sl@0: 			{
sl@0: 				EC_POINT_free(pub_key);
sl@0: 				EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB);
sl@0: 				goto ecerr;
sl@0: 			}
sl@0: 			if (EC_KEY_set_public_key(eckey, pub_key) == 0)
sl@0: 			{
sl@0: 				EC_POINT_free(pub_key);
sl@0: 				EVPerr(EVP_F_EVP_PKCS82PKEY, ERR_R_EC_LIB);
sl@0: 				goto ecerr;
sl@0: 			}
sl@0: 			EC_POINT_free(pub_key);
sl@0: 		}
sl@0: 
sl@0: 		EVP_PKEY_assign_EC_KEY(pkey, eckey);
sl@0: 		if (ctx)
sl@0: 			BN_CTX_free(ctx);
sl@0: 		break;
sl@0: ecerr:
sl@0: 		if (ctx)
sl@0: 			BN_CTX_free(ctx);
sl@0: 		if (eckey)
sl@0: 			EC_KEY_free(eckey);
sl@0: 		if (pkey)
sl@0: 			EVP_PKEY_free(pkey);
sl@0: 		return NULL;
sl@0: #endif
sl@0: 		default:
sl@0: 		EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
sl@0: 		if (!a->algorithm) BUF_strlcpy (obj_tmp, "NULL", sizeof obj_tmp);
sl@0: 		else i2t_ASN1_OBJECT(obj_tmp, 80, a->algorithm);
sl@0: 		ERR_add_error_data(2, "TYPE=", obj_tmp);
sl@0: 		EVP_PKEY_free (pkey);
sl@0: 		return NULL;
sl@0: 	}
sl@0: 	return pkey;
sl@0: }
sl@0: 
sl@0: EXPORT_C PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(EVP_PKEY *pkey)
sl@0: {
sl@0: 	return EVP_PKEY2PKCS8_broken(pkey, PKCS8_OK);
sl@0: }
sl@0: 
sl@0: /* Turn a private key into a PKCS8 structure */
sl@0: 
sl@0: EXPORT_C PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8_broken(EVP_PKEY *pkey, int broken)
sl@0: {
sl@0: 	PKCS8_PRIV_KEY_INFO *p8;
sl@0: 
sl@0: 	if (!(p8 = PKCS8_PRIV_KEY_INFO_new())) {	
sl@0: 		EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN,ERR_R_MALLOC_FAILURE);
sl@0: 		return NULL;
sl@0: 	}
sl@0: 	p8->broken = broken;
sl@0: 	if (!ASN1_INTEGER_set(p8->version, 0)) {
sl@0: 		EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN,ERR_R_MALLOC_FAILURE);
sl@0: 		PKCS8_PRIV_KEY_INFO_free (p8);
sl@0: 		return NULL;
sl@0: 	}
sl@0: 	if (!(p8->pkeyalg->parameter = ASN1_TYPE_new ())) {
sl@0: 		EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN,ERR_R_MALLOC_FAILURE);
sl@0: 		PKCS8_PRIV_KEY_INFO_free (p8);
sl@0: 		return NULL;
sl@0: 	}
sl@0: 	p8->pkey->type = V_ASN1_OCTET_STRING;
sl@0: 	switch (EVP_PKEY_type(pkey->type)) {
sl@0: #ifndef OPENSSL_NO_RSA
sl@0: 		case EVP_PKEY_RSA:
sl@0: 
sl@0: 		if(p8->broken == PKCS8_NO_OCTET) p8->pkey->type = V_ASN1_SEQUENCE;
sl@0: 
sl@0: 		p8->pkeyalg->algorithm = OBJ_nid2obj(NID_rsaEncryption);
sl@0: 		p8->pkeyalg->parameter->type = V_ASN1_NULL;
sl@0: 		if (!ASN1_pack_string_of (EVP_PKEY,pkey, i2d_PrivateKey,
sl@0: 					 &p8->pkey->value.octet_string)) {
sl@0: 			EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN,ERR_R_MALLOC_FAILURE);
sl@0: 			PKCS8_PRIV_KEY_INFO_free (p8);
sl@0: 			return NULL;
sl@0: 		}
sl@0: 		break;
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_DSA
sl@0: 		case EVP_PKEY_DSA:
sl@0: 		if(!dsa_pkey2pkcs8(p8, pkey)) {
sl@0: 			PKCS8_PRIV_KEY_INFO_free (p8);
sl@0: 			return NULL;
sl@0: 		}
sl@0: 
sl@0: 		break;
sl@0: #endif
sl@0: #ifndef OPENSSL_NO_EC
sl@0: 		case EVP_PKEY_EC:
sl@0: 		if (!eckey_pkey2pkcs8(p8, pkey))
sl@0: 		{
sl@0: 			PKCS8_PRIV_KEY_INFO_free(p8);
sl@0: 			return(NULL);
sl@0: 		}
sl@0: 		break;
sl@0: #endif
sl@0: 		default:
sl@0: 		EVPerr(EVP_F_EVP_PKEY2PKCS8_BROKEN, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
sl@0: 		PKCS8_PRIV_KEY_INFO_free (p8);
sl@0: 		return NULL;
sl@0: 	}
sl@0: 	RAND_add(p8->pkey->value.octet_string->data,
sl@0: 		 p8->pkey->value.octet_string->length, 0.0);
sl@0: 	return p8;
sl@0: }
sl@0: 
sl@0: EXPORT_C PKCS8_PRIV_KEY_INFO *PKCS8_set_broken(PKCS8_PRIV_KEY_INFO *p8, int broken)
sl@0: {
sl@0: 	switch (broken) {
sl@0: 
sl@0: 		case PKCS8_OK:
sl@0: 		p8->broken = PKCS8_OK;
sl@0: 		return p8;
sl@0: 		break;
sl@0: 
sl@0: 		case PKCS8_NO_OCTET:
sl@0: 		p8->broken = PKCS8_NO_OCTET;
sl@0: 		p8->pkey->type = V_ASN1_SEQUENCE;
sl@0: 		return p8;
sl@0: 		break;
sl@0: 
sl@0: 		default:
sl@0: 		EVPerr(EVP_F_PKCS8_SET_BROKEN,EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE);
sl@0: 		return NULL;
sl@0: 	}
sl@0: }
sl@0: 
sl@0: #ifndef OPENSSL_NO_DSA
sl@0: static int dsa_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8, EVP_PKEY *pkey)
sl@0: {
sl@0: 	ASN1_STRING *params = NULL;
sl@0: 	ASN1_INTEGER *prkey = NULL;
sl@0: 	ASN1_TYPE *ttmp = NULL;
sl@0: 	STACK_OF(ASN1_TYPE) *ndsa = NULL;
sl@0: 	unsigned char *p = NULL, *q;
sl@0: 	int len;
sl@0: 
sl@0: 	p8->pkeyalg->algorithm = OBJ_nid2obj(NID_dsa);
sl@0: 	len = i2d_DSAparams (pkey->pkey.dsa, NULL);
sl@0: 	if (!(p = OPENSSL_malloc(len))) {
sl@0: 		EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sl@0: 		goto err;
sl@0: 	}
sl@0: 	q = p;
sl@0: 	i2d_DSAparams (pkey->pkey.dsa, &q);
sl@0: 	if (!(params = ASN1_STRING_new())) {
sl@0: 		EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sl@0: 		goto err;
sl@0: 	}
sl@0: 	if (!ASN1_STRING_set(params, p, len)) {
sl@0: 		EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sl@0: 		goto err;
sl@0: 	}
sl@0: 	OPENSSL_free(p);
sl@0: 	p = NULL;
sl@0: 	/* Get private key into integer */
sl@0: 	if (!(prkey = BN_to_ASN1_INTEGER (pkey->pkey.dsa->priv_key, NULL))) {
sl@0: 		EVPerr(EVP_F_DSA_PKEY2PKCS8,EVP_R_ENCODE_ERROR);
sl@0: 		goto err;
sl@0: 	}
sl@0: 
sl@0: 	switch(p8->broken) {
sl@0: 
sl@0: 		case PKCS8_OK:
sl@0: 		case PKCS8_NO_OCTET:
sl@0: 
sl@0: 		if (!ASN1_pack_string_of(ASN1_INTEGER,prkey, i2d_ASN1_INTEGER,
sl@0: 					 &p8->pkey->value.octet_string)) {
sl@0: 			EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 		}
sl@0: 
sl@0: 		M_ASN1_INTEGER_free (prkey);
sl@0: 		prkey = NULL;
sl@0: 		p8->pkeyalg->parameter->value.sequence = params;
sl@0: 		params = NULL;
sl@0: 		p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
sl@0: 
sl@0: 		break;
sl@0: 
sl@0: 		case PKCS8_NS_DB:
sl@0: 
sl@0: 		p8->pkeyalg->parameter->value.sequence = params;
sl@0: 		params = NULL;
sl@0: 		p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
sl@0: 		if (!(ndsa = sk_ASN1_TYPE_new_null())) {
sl@0: 			EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 		}
sl@0: 		if (!(ttmp = ASN1_TYPE_new())) {
sl@0: 			EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 		}
sl@0: 		if (!(ttmp->value.integer =
sl@0: 			BN_to_ASN1_INTEGER(pkey->pkey.dsa->pub_key, NULL))) {
sl@0: 			EVPerr(EVP_F_DSA_PKEY2PKCS8,EVP_R_ENCODE_ERROR);
sl@0: 			goto err;
sl@0: 		}
sl@0: 		ttmp->type = V_ASN1_INTEGER;
sl@0: 		if (!sk_ASN1_TYPE_push(ndsa, ttmp)) {
sl@0: 			EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 		}
sl@0: 
sl@0: 		if (!(ttmp = ASN1_TYPE_new())) {
sl@0: 			EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 		}
sl@0: 		ttmp->value.integer = prkey;
sl@0: 		prkey = NULL;
sl@0: 		ttmp->type = V_ASN1_INTEGER;
sl@0: 		if (!sk_ASN1_TYPE_push(ndsa, ttmp)) {
sl@0: 			EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 		}
sl@0: 		ttmp = NULL;
sl@0: 
sl@0: 		if (!(p8->pkey->value.octet_string = ASN1_OCTET_STRING_new())) {
sl@0: 			EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 		}
sl@0: 
sl@0: 		if (!ASN1_seq_pack_ASN1_TYPE(ndsa, i2d_ASN1_TYPE,
sl@0: 					 &p8->pkey->value.octet_string->data,
sl@0: 					 &p8->pkey->value.octet_string->length)) {
sl@0: 
sl@0: 			EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 		}
sl@0: 		sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
sl@0: 		break;
sl@0: 
sl@0: 		case PKCS8_EMBEDDED_PARAM:
sl@0: 
sl@0: 		p8->pkeyalg->parameter->type = V_ASN1_NULL;
sl@0: 		if (!(ndsa = sk_ASN1_TYPE_new_null())) {
sl@0: 			EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 		}
sl@0: 		if (!(ttmp = ASN1_TYPE_new())) {
sl@0: 			EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 		}
sl@0: 		ttmp->value.sequence = params;
sl@0: 		params = NULL;
sl@0: 		ttmp->type = V_ASN1_SEQUENCE;
sl@0: 		if (!sk_ASN1_TYPE_push(ndsa, ttmp)) {
sl@0: 			EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 		}
sl@0: 
sl@0: 		if (!(ttmp = ASN1_TYPE_new())) {
sl@0: 			EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 		}
sl@0: 		ttmp->value.integer = prkey;
sl@0: 		prkey = NULL;
sl@0: 		ttmp->type = V_ASN1_INTEGER;
sl@0: 		if (!sk_ASN1_TYPE_push(ndsa, ttmp)) {
sl@0: 			EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 		}
sl@0: 		ttmp = NULL;
sl@0: 
sl@0: 		if (!(p8->pkey->value.octet_string = ASN1_OCTET_STRING_new())) {
sl@0: 			EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 		}
sl@0: 
sl@0: 		if (!ASN1_seq_pack_ASN1_TYPE(ndsa, i2d_ASN1_TYPE,
sl@0: 					 &p8->pkey->value.octet_string->data,
sl@0: 					 &p8->pkey->value.octet_string->length)) {
sl@0: 
sl@0: 			EVPerr(EVP_F_DSA_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
sl@0: 			goto err;
sl@0: 		}
sl@0: 		sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
sl@0: 		break;
sl@0: 	}
sl@0: 	return 1;
sl@0: err:
sl@0: 	if (p != NULL) OPENSSL_free(p);
sl@0: 	if (params != NULL) ASN1_STRING_free(params);
sl@0: 	if (prkey != NULL) M_ASN1_INTEGER_free(prkey);
sl@0: 	if (ttmp != NULL) ASN1_TYPE_free(ttmp);
sl@0: 	if (ndsa != NULL) sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
sl@0: 	return 0;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: #ifndef OPENSSL_NO_EC
sl@0: static int eckey_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8, EVP_PKEY *pkey)
sl@0: {
sl@0: 	EC_KEY		*ec_key;
sl@0: 	const EC_GROUP  *group;
sl@0: 	unsigned char	*p, *pp;
sl@0: 	int 		nid, i, ret = 0;
sl@0: 	unsigned int    tmp_flags, old_flags;
sl@0: 
sl@0: 	ec_key = pkey->pkey.ec;
sl@0: 	if (ec_key == NULL || (group = EC_KEY_get0_group(ec_key)) == NULL) 
sl@0: 	{
sl@0: 		EVPerr(EVP_F_ECKEY_PKEY2PKCS8, EVP_R_MISSING_PARAMETERS);
sl@0: 		return 0;
sl@0: 	}
sl@0: 
sl@0: 	/* set the ec parameters OID */
sl@0: 	if (p8->pkeyalg->algorithm)
sl@0: 		ASN1_OBJECT_free(p8->pkeyalg->algorithm);
sl@0: 
sl@0: 	p8->pkeyalg->algorithm = OBJ_nid2obj(NID_X9_62_id_ecPublicKey);
sl@0: 
sl@0: 	/* set the ec parameters */
sl@0: 
sl@0: 	if (p8->pkeyalg->parameter)
sl@0: 	{
sl@0: 		ASN1_TYPE_free(p8->pkeyalg->parameter);
sl@0: 		p8->pkeyalg->parameter = NULL;
sl@0: 	}
sl@0: 
sl@0: 	if ((p8->pkeyalg->parameter = ASN1_TYPE_new()) == NULL)
sl@0: 	{
sl@0: 		EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
sl@0: 		return 0;
sl@0: 	}
sl@0: 	
sl@0: 	if (EC_GROUP_get_asn1_flag(group)
sl@0:                      && (nid = EC_GROUP_get_curve_name(group)))
sl@0: 	{
sl@0: 		/* we have a 'named curve' => just set the OID */
sl@0: 		p8->pkeyalg->parameter->type = V_ASN1_OBJECT;
sl@0: 		p8->pkeyalg->parameter->value.object = OBJ_nid2obj(nid);
sl@0: 	}
sl@0: 	else	/* explicit parameters */
sl@0: 	{
sl@0: 		if ((i = i2d_ECParameters(ec_key, NULL)) == 0)
sl@0: 		{
sl@0: 			EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_EC_LIB);
sl@0: 			return 0;
sl@0: 		}
sl@0: 		if ((p = (unsigned char *) OPENSSL_malloc(i)) == NULL)
sl@0: 		{
sl@0: 			EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
sl@0: 			return 0;
sl@0: 		}	
sl@0: 		pp = p;
sl@0: 		if (!i2d_ECParameters(ec_key, &pp))
sl@0: 		{
sl@0: 			EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_EC_LIB);
sl@0: 			OPENSSL_free(p);
sl@0: 			return 0;
sl@0: 		}
sl@0: 		p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
sl@0: 		if ((p8->pkeyalg->parameter->value.sequence 
sl@0: 			= ASN1_STRING_new()) == NULL)
sl@0: 		{
sl@0: 			EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_ASN1_LIB);
sl@0: 			OPENSSL_free(p);
sl@0: 			return 0;
sl@0: 		}
sl@0: 		ASN1_STRING_set(p8->pkeyalg->parameter->value.sequence, p, i);
sl@0: 		OPENSSL_free(p);
sl@0: 	}
sl@0: 
sl@0: 	/* set the private key */
sl@0: 
sl@0: 	/* do not include the parameters in the SEC1 private key
sl@0: 	 * see PKCS#11 12.11 */
sl@0: 	old_flags = EC_KEY_get_enc_flags(pkey->pkey.ec);
sl@0: 	tmp_flags = old_flags | EC_PKEY_NO_PARAMETERS;
sl@0: 	EC_KEY_set_enc_flags(pkey->pkey.ec, tmp_flags);
sl@0: 	i = i2d_ECPrivateKey(pkey->pkey.ec, NULL);
sl@0: 	if (!i)
sl@0: 	{
sl@0: 		EC_KEY_set_enc_flags(pkey->pkey.ec, old_flags);
sl@0: 		EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_EC_LIB);
sl@0: 		return 0;
sl@0: 	}
sl@0: 	p = (unsigned char *) OPENSSL_malloc(i);
sl@0: 	if (!p)
sl@0: 	{
sl@0: 		EC_KEY_set_enc_flags(pkey->pkey.ec, old_flags);
sl@0: 		EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
sl@0: 		return 0;
sl@0: 	}
sl@0: 	pp = p;
sl@0: 	if (!i2d_ECPrivateKey(pkey->pkey.ec, &pp))
sl@0: 	{
sl@0: 		EC_KEY_set_enc_flags(pkey->pkey.ec, old_flags);
sl@0: 		EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_EC_LIB);
sl@0: 		OPENSSL_free(p);
sl@0: 		return 0;
sl@0: 	}
sl@0: 	/* restore old encoding flags */
sl@0: 	EC_KEY_set_enc_flags(pkey->pkey.ec, old_flags);
sl@0: 
sl@0: 	switch(p8->broken) {
sl@0: 
sl@0: 		case PKCS8_OK:
sl@0: 		p8->pkey->value.octet_string = ASN1_OCTET_STRING_new();
sl@0: 		if (!p8->pkey->value.octet_string ||
sl@0: 		    !M_ASN1_OCTET_STRING_set(p8->pkey->value.octet_string,
sl@0: 		    (const void *)p, i))
sl@0: 
sl@0: 		{
sl@0: 			EVPerr(EVP_F_ECKEY_PKEY2PKCS8, ERR_R_MALLOC_FAILURE);
sl@0: 		}
sl@0: 		else
sl@0: 			ret = 1;
sl@0: 		break;
sl@0: 		case PKCS8_NO_OCTET:		/* RSA specific */
sl@0: 		case PKCS8_NS_DB:		/* DSA specific */
sl@0: 		case PKCS8_EMBEDDED_PARAM:	/* DSA specific */
sl@0: 		default:
sl@0: 			EVPerr(EVP_F_ECKEY_PKEY2PKCS8,EVP_R_ENCODE_ERROR);
sl@0: 	}
sl@0: 	OPENSSL_cleanse(p, (size_t)i);
sl@0: 	OPENSSL_free(p);
sl@0: 	return ret;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: /* EVP_PKEY attribute functions */
sl@0: 
sl@0: EXPORT_C int EVP_PKEY_get_attr_count(const EVP_PKEY *key)
sl@0: {
sl@0: 	return X509at_get_attr_count(key->attributes);
sl@0: }
sl@0: 
sl@0: EXPORT_C int EVP_PKEY_get_attr_by_NID(const EVP_PKEY *key, int nid,
sl@0: 			  int lastpos)
sl@0: {
sl@0: 	return X509at_get_attr_by_NID(key->attributes, nid, lastpos);
sl@0: }
sl@0: 
sl@0: EXPORT_C int EVP_PKEY_get_attr_by_OBJ(const EVP_PKEY *key, ASN1_OBJECT *obj,
sl@0: 			  int lastpos)
sl@0: {
sl@0: 	return X509at_get_attr_by_OBJ(key->attributes, obj, lastpos);
sl@0: }
sl@0: 
sl@0: EXPORT_C X509_ATTRIBUTE *EVP_PKEY_get_attr(const EVP_PKEY *key, int loc)
sl@0: {
sl@0: 	return X509at_get_attr(key->attributes, loc);
sl@0: }
sl@0: 
sl@0: EXPORT_C X509_ATTRIBUTE *EVP_PKEY_delete_attr(EVP_PKEY *key, int loc)
sl@0: {
sl@0: 	return X509at_delete_attr(key->attributes, loc);
sl@0: }
sl@0: 
sl@0: EXPORT_C int EVP_PKEY_add1_attr(EVP_PKEY *key, X509_ATTRIBUTE *attr)
sl@0: {
sl@0: 	if(X509at_add1_attr(&key->attributes, attr)) return 1;
sl@0: 	return 0;
sl@0: }
sl@0: 
sl@0: EXPORT_C int EVP_PKEY_add1_attr_by_OBJ(EVP_PKEY *key,
sl@0: 			const ASN1_OBJECT *obj, int type,
sl@0: 			const unsigned char *bytes, int len)
sl@0: {
sl@0: 	if(X509at_add1_attr_by_OBJ(&key->attributes, obj,
sl@0: 				type, bytes, len)) return 1;
sl@0: 	return 0;
sl@0: }
sl@0: 
sl@0: EXPORT_C int EVP_PKEY_add1_attr_by_NID(EVP_PKEY *key,
sl@0: 			int nid, int type,
sl@0: 			const unsigned char *bytes, int len)
sl@0: {
sl@0: 	if(X509at_add1_attr_by_NID(&key->attributes, nid,
sl@0: 				type, bytes, len)) return 1;
sl@0: 	return 0;
sl@0: }
sl@0: 
sl@0: EXPORT_C int EVP_PKEY_add1_attr_by_txt(EVP_PKEY *key,
sl@0: 			const char *attrname, int type,
sl@0: 			const unsigned char *bytes, int len)
sl@0: {
sl@0: 	if(X509at_add1_attr_by_txt(&key->attributes, attrname,
sl@0: 				type, bytes, len)) return 1;
sl@0: 	return 0;
sl@0: }