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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape security libraries.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1994-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef _SECPKCS5_H_
#define _SECPKCS5_H_
#include "plarena.h"
#include "secitem.h"
#include "seccomon.h"
#include "secoidt.h"
#include "hasht.h"
typedef SECItem * (* SEC_PKCS5GetPBEPassword)(void *arg);
/* used for V2 PKCS 12 Draft Spec */
typedef enum {
pbeBitGenIDNull = 0,
pbeBitGenCipherKey = 0x01,
pbeBitGenCipherIV = 0x02,
pbeBitGenIntegrityKey = 0x03
} PBEBitGenID;
typedef enum {
NSSPKCS5_PBKDF1 = 0,
NSSPKCS5_PBKDF2 = 1,
NSSPKCS5_PKCS12_V2 = 2
} NSSPKCS5PBEType;
typedef struct NSSPKCS5PBEParameterStr NSSPKCS5PBEParameter;
struct NSSPKCS5PBEParameterStr {
PRArenaPool *poolp;
SECItem salt; /* octet string */
SECItem iteration; /* integer */
/* used locally */
int iter;
int keyLen;
int ivLen;
HASH_HashType hashType;
NSSPKCS5PBEType pbeType;
PBEBitGenID keyID;
SECOidTag encAlg;
PRBool is2KeyDES;
};
SEC_BEGIN_PROTOS
/* Create a PKCS5 Algorithm ID
* The algorithm ID is set up using the PKCS #5 parameter structure
* algorithm is the PBE algorithm ID for the desired algorithm
* pbe is a pbe param block with all the info needed to create the
* algorithm id.
* If an error occurs or the algorithm specified is not supported
* or is not a password based encryption algorithm, NULL is returned.
* Otherwise, a pointer to the algorithm id is returned.
*/
extern SECAlgorithmID *
nsspkcs5_CreateAlgorithmID(PRArenaPool *arena, SECOidTag algorithm,
NSSPKCS5PBEParameter *pbe);
/*
* Convert an Algorithm ID to a PBE Param.
* NOTE: this does not suppport PKCS 5 v2 because it's only used for the
* keyDB which only support PKCS 5 v1, PFX, and PKCS 12.
*/
NSSPKCS5PBEParameter *
nsspkcs5_AlgidToParam(SECAlgorithmID *algid);
/*
* Convert an Algorithm ID to a PBE Param.
* NOTE: this does not suppport PKCS 5 v2 because it's only used for the
* keyDB which only support PKCS 5 v1, PFX, and PKCS 12.
*/
NSSPKCS5PBEParameter *
nsspkcs5_NewParam(SECOidTag alg, SECItem *salt, int iterator);
/* Encrypt/Decrypt data using password based encryption.
* algid is the PBE algorithm identifier,
* pwitem is the password,
* src is the source for encryption/decryption,
* encrypt is PR_TRUE for encryption, PR_FALSE for decryption.
* The key and iv are generated based upon PKCS #5 then the src
* is either encrypted or decrypted. If an error occurs, NULL
* is returned, otherwise the ciphered contents is returned.
*/
extern SECItem *
nsspkcs5_CipherData(NSSPKCS5PBEParameter *, SECItem *pwitem,
SECItem *src, PRBool encrypt, PRBool *update);
extern SECItem *
nsspkcs5_ComputeKeyAndIV(NSSPKCS5PBEParameter *, SECItem *pwitem,
SECItem *iv, PRBool faulty3DES);
/* Destroys PBE parameter */
extern void
nsspkcs5_DestroyPBEParameter(NSSPKCS5PBEParameter *param);
SEC_END_PROTOS
#endif
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