/* p12_add.c */

 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL

  * project 1999.

  */

 /* ====================================================================

  * Copyright (c) 1999 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/pkcs12.h>

 /* Pack an object into an OCTET STRING and turn into a safebag */

 EXPORT_C PKCS12_SAFEBAG *PKCS12_item_pack_safebag(void *obj, const ASN1_ITEM *it, int nid1,

 	     int nid2)

 {

 	PKCS12_BAGS *bag;

 	PKCS12_SAFEBAG *safebag;

 	if (!(bag = PKCS12_BAGS_new())) {

 		PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);

 		return NULL;

 	}

 	bag->type = OBJ_nid2obj(nid1);

 	if (!ASN1_item_pack(obj, it, &bag->value.octet)) {

 		PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);

 		return NULL;

 	}

 	if (!(safebag = PKCS12_SAFEBAG_new())) {

 		PKCS12err(PKCS12_F_PKCS12_ITEM_PACK_SAFEBAG, ERR_R_MALLOC_FAILURE);

 		return NULL;

 	}

 	safebag->value.bag = bag;

 	safebag->type = OBJ_nid2obj(nid2);

 	return safebag;

 }

 /* Turn PKCS8 object into a keybag */

 EXPORT_C PKCS12_SAFEBAG *PKCS12_MAKE_KEYBAG(PKCS8_PRIV_KEY_INFO *p8)

 {

 	PKCS12_SAFEBAG *bag;

 	if (!(bag = PKCS12_SAFEBAG_new())) {

 		PKCS12err(PKCS12_F_PKCS12_MAKE_KEYBAG,ERR_R_MALLOC_FAILURE);

 		return NULL;

 	}

 	bag->type = OBJ_nid2obj(NID_keyBag);

 	bag->value.keybag = p8;

 	return bag;

 }

 /* Turn PKCS8 object into a shrouded keybag */

 EXPORT_C PKCS12_SAFEBAG *PKCS12_MAKE_SHKEYBAG(int pbe_nid, const char *pass,

 	     int passlen, unsigned char *salt, int saltlen, int iter,

 	     PKCS8_PRIV_KEY_INFO *p8)

 {

 	PKCS12_SAFEBAG *bag;

 	/* Set up the safe bag */

 	if (!(bag = PKCS12_SAFEBAG_new())) {

 		PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);

 		return NULL;

 	}

 	bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag);

 	if (!(bag->value.shkeybag = 

 	  PKCS8_encrypt(pbe_nid, NULL, pass, passlen, salt, saltlen, iter,

 									 p8))) {

 		PKCS12err(PKCS12_F_PKCS12_MAKE_SHKEYBAG, ERR_R_MALLOC_FAILURE);

 		return NULL;

 	}

 	return bag;

 }

 /* Turn a stack of SAFEBAGS into a PKCS#7 data Contentinfo */

 EXPORT_C PKCS7 *PKCS12_pack_p7data(STACK_OF(PKCS12_SAFEBAG) *sk)

 {

 	PKCS7 *p7;

 	if (!(p7 = PKCS7_new())) {

 		PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);

 		return NULL;

 	}

 	p7->type = OBJ_nid2obj(NID_pkcs7_data);

 	if (!(p7->d.data = M_ASN1_OCTET_STRING_new())) {

 		PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, ERR_R_MALLOC_FAILURE);

 		return NULL;

 	}

 	if (!ASN1_item_pack(sk, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), &p7->d.data)) {

 		PKCS12err(PKCS12_F_PKCS12_PACK_P7DATA, PKCS12_R_CANT_PACK_STRUCTURE);

 		return NULL;

 	}

 	return p7;

 }

 /* Unpack SAFEBAGS from PKCS#7 data ContentInfo */

 EXPORT_C STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7data(PKCS7 *p7)

 {

 	if(!PKCS7_type_is_data(p7))

 		{

 		PKCS12err(PKCS12_F_PKCS12_UNPACK_P7DATA,PKCS12_R_CONTENT_TYPE_NOT_DATA);

 		return NULL;

 		}

 	return ASN1_item_unpack(p7->d.data, ASN1_ITEM_rptr(PKCS12_SAFEBAGS));

 }

 /* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */

 EXPORT_C PKCS7 *PKCS12_pack_p7encdata(int pbe_nid, const char *pass, int passlen,

 			      unsigned char *salt, int saltlen, int iter,

 			      STACK_OF(PKCS12_SAFEBAG) *bags)

 {

 	PKCS7 *p7;

 	X509_ALGOR *pbe;

 	if (!(p7 = PKCS7_new())) {

 		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);

 		return NULL;

 	}

 	if(!PKCS7_set_type(p7, NID_pkcs7_encrypted)) {

 		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA,

 				PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE);

 		return NULL;

 	}

 	if (!(pbe = PKCS5_pbe_set(pbe_nid, iter, salt, saltlen))) {

 		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, ERR_R_MALLOC_FAILURE);

 		return NULL;

 	}

 	X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm);

 	p7->d.encrypted->enc_data->algorithm = pbe;

 	M_ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data);

 	if (!(p7->d.encrypted->enc_data->enc_data =

 	PKCS12_item_i2d_encrypt(pbe, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), pass, passlen,

 				 bags, 1))) {

 		PKCS12err(PKCS12_F_PKCS12_PACK_P7ENCDATA, PKCS12_R_ENCRYPT_ERROR);

 		return NULL;

 	}

 	return p7;

 }

 EXPORT_C STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass, int passlen)

 {

 	if(!PKCS7_type_is_encrypted(p7)) return NULL;

 	return PKCS12_item_decrypt_d2i(p7->d.encrypted->enc_data->algorithm,

 			           ASN1_ITEM_rptr(PKCS12_SAFEBAGS),

 				   pass, passlen,

 			           p7->d.encrypted->enc_data->enc_data, 1);

 }

 EXPORT_C PKCS8_PRIV_KEY_INFO *PKCS12_decrypt_skey(PKCS12_SAFEBAG *bag, const char *pass,

 								int passlen)

 {

 	return PKCS8_decrypt(bag->value.shkeybag, pass, passlen);

 }

 EXPORT_C int PKCS12_pack_authsafes(PKCS12 *p12, STACK_OF(PKCS7) *safes) 

 {

 	if(ASN1_item_pack(safes, ASN1_ITEM_rptr(PKCS12_AUTHSAFES),

 		&p12->authsafes->d.data)) 

 			return 1;

 	return 0;

 }

 EXPORT_C STACK_OF(PKCS7) *PKCS12_unpack_authsafes(PKCS12 *p12)

 {

 	if (!PKCS7_type_is_data(p12->authsafes))

 		{

 		PKCS12err(PKCS12_F_PKCS12_UNPACK_AUTHSAFES,PKCS12_R_CONTENT_TYPE_NOT_DATA);

 		return NULL;

 		}

 	return ASN1_item_unpack(p12->authsafes->d.data, ASN1_ITEM_rptr(PKCS12_AUTHSAFES));

 }