2018-05-04 16:08:28 +02:00
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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2015-10-21 05:03:22 +02:00
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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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2018-05-04 16:08:28 +02:00
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PLArenaPool *poolp;
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2015-10-21 05:03:22 +02:00
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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(PLArenaPool *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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