pkijs
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Public Key Infrastructure (PKI) is the basis of how identity and key management is performed on the web today. PKIjs is a pure JavaScript library implementing the formats that are used in PKI applications. It is built on WebCrypto and aspires to make it p
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JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _asn1js = require("asn1js");
var asn1js = _interopRequireWildcard(_asn1js);
var _pvutils = require("pvutils");
var _AlgorithmIdentifier = require("./AlgorithmIdentifier.js");
var _AlgorithmIdentifier2 = _interopRequireDefault(_AlgorithmIdentifier);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
//**************************************************************************************
/**
* Class from RFC2898
*/
var PBKDF2Params = function () {
//**********************************************************************************
/**
* Constructor for PBKDF2Params class
* @param {Object} [parameters={}]
* @property {Object} [schema] asn1js parsed value
*/
function PBKDF2Params() {
var parameters = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
_classCallCheck(this, PBKDF2Params);
//region Internal properties of the object
/**
* @type {Object}
* @description salt
*/
this.salt = (0, _pvutils.getParametersValue)(parameters, "salt", PBKDF2Params.defaultValues("salt"));
/**
* @type {number}
* @description iterationCount
*/
this.iterationCount = (0, _pvutils.getParametersValue)(parameters, "iterationCount", PBKDF2Params.defaultValues("iterationCount"));
if ("keyLength" in parameters)
/**
* @type {number}
* @description keyLength
*/
this.keyLength = (0, _pvutils.getParametersValue)(parameters, "keyLength", PBKDF2Params.defaultValues("keyLength"));
if ("prf" in parameters)
/**
* @type {AlgorithmIdentifier}
* @description prf
*/
this.prf = (0, _pvutils.getParametersValue)(parameters, "prf", PBKDF2Params.defaultValues("prf"));
//endregion
//region If input argument array contains "schema" for this object
if ("schema" in parameters) this.fromSchema(parameters.schema);
//endregion
}
//**********************************************************************************
/**
* Return default values for all class members
* @param {string} memberName String name for a class member
*/
_createClass(PBKDF2Params, [{
key: "fromSchema",
//**********************************************************************************
/**
* Convert parsed asn1js object into current class
* @param {!Object} schema
*/
value: function fromSchema(schema) {
//region Check the schema is valid
var asn1 = asn1js.compareSchema(schema, schema, PBKDF2Params.schema({
names: {
saltPrimitive: "salt",
saltConstructed: {
names: {
blockName: "salt"
}
},
iterationCount: "iterationCount",
keyLength: "keyLength",
prf: {
names: {
blockName: "prf",
optional: true
}
}
}
}));
if (asn1.verified === false) throw new Error("Object's schema was not verified against input data for PBKDF2Params");
//endregion
//region Get internal properties from parsed schema
this.salt = asn1.result.salt;
this.iterationCount = asn1.result.iterationCount.valueBlock.valueDec;
if ("keyLength" in asn1.result) this.keyLength = asn1.result.keyLength.valueBlock.valueDec;
if ("prf" in asn1.result) this.prf = new _AlgorithmIdentifier2.default({ schema: asn1.result.prf });
//endregion
}
//**********************************************************************************
/**
* Convert current object to asn1js object and set correct values
* @returns {Object} asn1js object
*/
}, {
key: "toSchema",
value: function toSchema() {
//region Create array for output sequence
var outputArray = [];
outputArray.push(this.salt);
outputArray.push(new asn1js.Integer({ value: this.iterationCount }));
if ("keyLength" in this) {
if (PBKDF2Params.defaultValues("keyLength") !== this.keyLength) outputArray.push(new asn1js.Integer({ value: this.keyLength }));
}
if ("prf" in this) {
if (PBKDF2Params.defaultValues("prf").isEqual(this.prf) === false) outputArray.push(this.prf.toSchema());
}
//endregion
//region Construct and return new ASN.1 schema for this object
return new asn1js.Sequence({
value: outputArray
});
//endregion
}
//**********************************************************************************
/**
* Convertion for the class to JSON object
* @returns {Object}
*/
}, {
key: "toJSON",
value: function toJSON() {
var _object = {
salt: this.salt.toJSON(),
iterationCount: this.iterationCount
};
if ("keyLength" in this) {
if (PBKDF2Params.defaultValues("keyLength") !== this.keyLength) _object.keyLength = this.keyLength;
}
if ("prf" in this) {
if (PBKDF2Params.defaultValues("prf").isEqual(this.prf) === false) _object.prf = this.prf.toJSON();
}
return _object;
}
//**********************************************************************************
}], [{
key: "defaultValues",
value: function defaultValues(memberName) {
switch (memberName) {
case "salt":
return {};
case "iterationCount":
return -1;
case "keyLength":
return 0;
case "prf":
return new _AlgorithmIdentifier2.default({
algorithmId: "1.3.14.3.2.26", // SHA-1
algorithmParams: new asn1js.Null()
});
default:
throw new Error("Invalid member name for PBKDF2Params class: " + memberName);
}
}
//**********************************************************************************
/**
* Return value of asn1js schema for current class
* @param {Object} parameters Input parameters for the schema
* @returns {Object} asn1js schema object
*/
}, {
key: "schema",
value: function schema() {
var parameters = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
//PBKDF2-params ::= SEQUENCE {
// salt CHOICE {
// specified OCTET STRING,
// otherSource AlgorithmIdentifier },
// iterationCount INTEGER (1..MAX),
// keyLength INTEGER (1..MAX) OPTIONAL,
// prf AlgorithmIdentifier
// DEFAULT { algorithm hMAC-SHA1, parameters NULL } }
/**
* @type {Object}
* @property {string} [blockName]
* @property {string} [saltPrimitive]
* @property {string} [saltConstructed]
* @property {string} [iterationCount]
* @property {string} [keyLength]
* @property {string} [prf]
*/
var names = (0, _pvutils.getParametersValue)(parameters, "names", {});
return new asn1js.Sequence({
name: names.blockName || "",
value: [new asn1js.Choice({
value: [new asn1js.OctetString({ name: names.saltPrimitive || "" }), _AlgorithmIdentifier2.default.schema(names.saltConstructed || {})]
}), new asn1js.Integer({ name: names.iterationCount || "" }), new asn1js.Integer({
name: names.keyLength || "",
optional: true
}), _AlgorithmIdentifier2.default.schema(names.prf || {
names: {
optional: true
}
})]
});
}
}]);
return PBKDF2Params;
}();
//**************************************************************************************
exports.default = PBKDF2Params;
//# sourceMappingURL=PBKDF2Params.js.map