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