1<?php 2 3/** 4 * PBKDF2params 5 * 6 * PHP version 5 7 * 8 * @category File 9 * @package ASN1 10 * @author Jim Wigginton <terrafrost@php.net> 11 * @copyright 2016 Jim Wigginton 12 * @license http://www.opensource.org/licenses/mit-license.html MIT License 13 * @link http://phpseclib.sourceforge.net 14 */ 15 16namespace phpseclib3\File\ASN1\Maps; 17 18use phpseclib3\File\ASN1; 19 20/** 21 * PBKDF2params 22 * 23 * from https://tools.ietf.org/html/rfc2898#appendix-A.3 24 * 25 * @package ASN1 26 * @author Jim Wigginton <terrafrost@php.net> 27 * @access public 28 */ 29abstract class PBKDF2params 30{ 31 const MAP = [ 32 'type' => ASN1::TYPE_SEQUENCE, 33 'children' => [ 34 // technically, this is a CHOICE in RFC2898 but the other "choice" is, currently, more of a placeholder 35 // in the RFC 36 'salt' => ['type' => ASN1::TYPE_OCTET_STRING], 37 'iterationCount' => ['type' => ASN1::TYPE_INTEGER], 38 'keyLength' => [ 39 'type' => ASN1::TYPE_INTEGER, 40 'optional' => true 41 ], 42 'prf' => AlgorithmIdentifier::MAP + ['optional' => true] 43 ] 44 ]; 45} 46