1<?php 2 3/** 4 * PBKDF2params 5 * 6 * PHP version 5 7 * 8 * @author Jim Wigginton <terrafrost@php.net> 9 * @copyright 2016 Jim Wigginton 10 * @license http://www.opensource.org/licenses/mit-license.html MIT License 11 * @link http://phpseclib.sourceforge.net 12 */ 13 14namespace phpseclib3\File\ASN1\Maps; 15 16use phpseclib3\File\ASN1; 17 18/** 19 * PBKDF2params 20 * 21 * from https://tools.ietf.org/html/rfc2898#appendix-A.3 22 * 23 * @author Jim Wigginton <terrafrost@php.net> 24 */ 25abstract class PBKDF2params 26{ 27 const MAP = [ 28 'type' => ASN1::TYPE_SEQUENCE, 29 'children' => [ 30 // technically, this is a CHOICE in RFC2898 but the other "choice" is, currently, more of a placeholder 31 // in the RFC 32 'salt' => ['type' => ASN1::TYPE_OCTET_STRING], 33 'iterationCount' => ['type' => ASN1::TYPE_INTEGER], 34 'keyLength' => [ 35 'type' => ASN1::TYPE_INTEGER, 36 'optional' => true 37 ], 38 'prf' => AlgorithmIdentifier::MAP + ['optional' => true] 39 ] 40 ]; 41} 42