@wildboar/pkcs
Version:
Public Key Cryptography Standard PDUs in TypeScript
161 lines (160 loc) • 4.93 kB
JavaScript
/* eslint-disable */
import { ASN1TagClass as _TagClass, } from "@wildboar/asn1";
import * as $ from "@wildboar/asn1/functional";
import { _decode_DigestInfo, _encode_DigestInfo, } from "../PKCS7/DigestInfo.ta.mjs";
/**
* @summary MacData
* @description
*
* ### ASN.1 Definition:
*
* ```asn1
* MacData ::= SEQUENCE {
* mac DigestInfo,
* macSalt OCTET STRING,
* iterations INTEGER DEFAULT 1
* -- Note: The default is for historical reasons and its use is
* -- deprecated.
* }
* ```
*
*/
export class MacData {
mac;
macSalt;
iterations;
constructor(
/**
* @summary `mac`.
* @public
* @readonly
*/
mac,
/**
* @summary `macSalt`.
* @public
* @readonly
*/
macSalt,
/**
* @summary `iterations`.
* @public
* @readonly
*/
iterations) {
this.mac = mac;
this.macSalt = macSalt;
this.iterations = iterations;
}
/**
* @summary Restructures an object into a MacData
* @description
*
* This takes an `object` and converts it to a `MacData`.
*
* @public
* @static
* @method
* @param {Object} _o An object having all of the keys and values of a `MacData`.
* @returns {MacData}
*/
static _from_object(_o) {
return new MacData(_o.mac, _o.macSalt, _o.iterations);
}
/**
* @summary Getter that returns the default value for `iterations`.
* @public
* @static
* @method
*/
static get _default_value_for_iterations() {
return 1;
}
}
/**
* @summary The Leading Root Component Types of MacData
* @description
*
* This is an array of `ComponentSpec`s that define how to decode the leading root component type list of a SET or SEQUENCE.
*
* @constant
*/
export const _root_component_type_list_1_spec_for_MacData = [
new $.ComponentSpec("mac", false, $.hasTag(_TagClass.universal, 16)),
new $.ComponentSpec("macSalt", false, $.hasTag(_TagClass.universal, 4)),
new $.ComponentSpec("iterations", true, $.hasTag(_TagClass.universal, 2)),
];
/**
* @summary The Trailing Root Component Types of MacData
* @description
*
* This is an array of `ComponentSpec`s that define how to decode the trailing root component type list of a SET or SEQUENCE.
*
* @constant
*/
export const _root_component_type_list_2_spec_for_MacData = [];
/**
* @summary The Extension Addition Component Types of MacData
* @description
*
* This is an array of `ComponentSpec`s that define how to decode the extension addition component type list of a SET or SEQUENCE.
*
* @constant
*/
export const _extension_additions_list_spec_for_MacData = [];
let _cached_decoder_for_MacData = null;
/**
* @summary Decodes an ASN.1 element into a(n) MacData
* @function
* @param {_Element} el The element being decoded.
* @returns {MacData} The decoded data structure.
*/
export function _decode_MacData(el) {
if (!_cached_decoder_for_MacData) {
_cached_decoder_for_MacData = function (el) {
let mac;
let macSalt;
let iterations = MacData._default_value_for_iterations;
const callbacks = {
mac: (_el) => {
mac = _decode_DigestInfo(_el);
},
macSalt: (_el) => {
macSalt = $._decodeOctetString(_el);
},
iterations: (_el) => {
iterations = $._decodeInteger(_el);
},
};
$._parse_sequence(el, callbacks, _root_component_type_list_1_spec_for_MacData, _extension_additions_list_spec_for_MacData, _root_component_type_list_2_spec_for_MacData, undefined);
return new MacData(mac, macSalt, iterations);
};
}
return _cached_decoder_for_MacData(el);
}
let _cached_encoder_for_MacData = null;
/**
* @summary Encodes a(n) MacData into an ASN.1 Element.
* @function
* @param value The element being encoded.
* @param elGetter A function that can be used to get new ASN.1 elements.
* @returns {_Element} The MacData, encoded as an ASN.1 Element.
*/
export function _encode_MacData(value, elGetter) {
if (!_cached_encoder_for_MacData) {
_cached_encoder_for_MacData = function (value) {
return $._encodeSequence([]
.concat([
/* REQUIRED */ _encode_DigestInfo(value.mac, $.BER),
/* REQUIRED */ $._encodeOctetString(value.macSalt, $.BER),
/* IF_DEFAULT */ value.iterations === undefined ||
$.deepEq(value.iterations, MacData._default_value_for_iterations)
? undefined
: $._encodeInteger(value.iterations, $.BER),
])
.filter((c) => !!c), $.BER);
};
}
return _cached_encoder_for_MacData(value, elGetter);
}
/* eslint-enable */