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
291 lines (249 loc) • 10.1 kB
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 RFC4055
*/
var RSASSAPSSParams = function () {
//**********************************************************************************
/**
* Constructor for RSASSAPSSParams class
* @param {Object} [parameters={}]
* @property {Object} [schema] asn1js parsed value
*/
function RSASSAPSSParams() {
var parameters = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
_classCallCheck(this, RSASSAPSSParams);
//region Internal properties of the object
/**
* @type {AlgorithmIdentifier}
* @description Algorithms of hashing (DEFAULT sha1)
*/
this.hashAlgorithm = (0, _pvutils.getParametersValue)(parameters, "hashAlgorithm", RSASSAPSSParams.defaultValues("hashAlgorithm"));
/**
* @type {AlgorithmIdentifier}
* @description Algorithm of "mask generaion function (MGF)" (DEFAULT mgf1SHA1)
*/
this.maskGenAlgorithm = (0, _pvutils.getParametersValue)(parameters, "maskGenAlgorithm", RSASSAPSSParams.defaultValues("maskGenAlgorithm"));
/**
* @type {number}
* @description Salt length (DEFAULT 20)
*/
this.saltLength = (0, _pvutils.getParametersValue)(parameters, "saltLength", RSASSAPSSParams.defaultValues("saltLength"));
/**
* @type {number}
* @description (DEFAULT 1)
*/
this.trailerField = (0, _pvutils.getParametersValue)(parameters, "trailerField", RSASSAPSSParams.defaultValues("trailerField"));
//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(RSASSAPSSParams, [{
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, RSASSAPSSParams.schema({
names: {
hashAlgorithm: {
names: {
blockName: "hashAlgorithm"
}
},
maskGenAlgorithm: {
names: {
blockName: "maskGenAlgorithm"
}
},
saltLength: "saltLength",
trailerField: "trailerField"
}
}));
if (asn1.verified === false) throw new Error("Object's schema was not verified against input data for RSASSAPSSParams");
//endregion
//region Get internal properties from parsed schema
if ("hashAlgorithm" in asn1.result) this.hashAlgorithm = new _AlgorithmIdentifier2.default({ schema: asn1.result.hashAlgorithm });
if ("maskGenAlgorithm" in asn1.result) this.maskGenAlgorithm = new _AlgorithmIdentifier2.default({ schema: asn1.result.maskGenAlgorithm });
if ("saltLength" in asn1.result) this.saltLength = asn1.result.saltLength.valueBlock.valueDec;
if ("trailerField" in asn1.result) this.trailerField = asn1.result.trailerField.valueBlock.valueDec;
//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 = [];
if (!this.hashAlgorithm.isEqual(RSASSAPSSParams.defaultValues("hashAlgorithm"))) {
outputArray.push(new asn1js.Constructed({
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 0 // [0]
},
value: [this.hashAlgorithm.toSchema()]
}));
}
if (!this.maskGenAlgorithm.isEqual(RSASSAPSSParams.defaultValues("maskGenAlgorithm"))) {
outputArray.push(new asn1js.Constructed({
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 1 // [1]
},
value: [this.maskGenAlgorithm.toSchema()]
}));
}
if (this.saltLength !== RSASSAPSSParams.defaultValues("saltLength")) {
outputArray.push(new asn1js.Constructed({
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 2 // [2]
},
value: [new asn1js.Integer({ value: this.saltLength })]
}));
}
if (this.trailerField !== RSASSAPSSParams.defaultValues("trailerField")) {
outputArray.push(new asn1js.Constructed({
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 3 // [3]
},
value: [new asn1js.Integer({ value: this.trailerField })]
}));
}
//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 = {};
if (!this.hashAlgorithm.isEqual(RSASSAPSSParams.defaultValues("hashAlgorithm"))) object.hashAlgorithm = this.hashAlgorithm.toJSON();
if (!this.maskGenAlgorithm.isEqual(RSASSAPSSParams.defaultValues("maskGenAlgorithm"))) object.maskGenAlgorithm = this.maskGenAlgorithm.toJSON();
if (this.saltLength !== RSASSAPSSParams.defaultValues("saltLength")) object.saltLength = this.saltLength;
if (this.trailerField !== RSASSAPSSParams.defaultValues("trailerField")) object.trailerField = this.trailerField;
return object;
}
//**********************************************************************************
}], [{
key: "defaultValues",
value: function defaultValues(memberName) {
switch (memberName) {
case "hashAlgorithm":
return new _AlgorithmIdentifier2.default({
algorithmId: "1.3.14.3.2.26", // SHA-1
algorithmParams: new asn1js.Null()
});
case "maskGenAlgorithm":
return new _AlgorithmIdentifier2.default({
algorithmId: "1.2.840.113549.1.1.8", // MGF1
algorithmParams: new _AlgorithmIdentifier2.default({
algorithmId: "1.3.14.3.2.26", // SHA-1
algorithmParams: new asn1js.Null()
}).toSchema()
});
case "saltLength":
return 20;
case "trailerField":
return 1;
default:
throw new Error("Invalid member name for RSASSAPSSParams 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] : {};
//RSASSA-PSS-params ::= Sequence {
// hashAlgorithm [0] HashAlgorithm DEFAULT sha1Identifier,
// maskGenAlgorithm [1] MaskGenAlgorithm DEFAULT mgf1SHA1Identifier,
// saltLength [2] Integer DEFAULT 20,
// trailerField [3] Integer DEFAULT 1 }
/**
* @type {Object}
* @property {string} [blockName]
* @property {string} [hashAlgorithm]
* @property {string} [maskGenAlgorithm]
* @property {string} [saltLength]
* @property {string} [trailerField]
*/
var names = (0, _pvutils.getParametersValue)(parameters, "names", {});
return new asn1js.Sequence({
name: names.blockName || "",
value: [new asn1js.Constructed({
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 0 // [0]
},
optional: true,
value: [_AlgorithmIdentifier2.default.schema(names.hashAlgorithm || {})]
}), new asn1js.Constructed({
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 1 // [1]
},
optional: true,
value: [_AlgorithmIdentifier2.default.schema(names.maskGenAlgorithm || {})]
}), new asn1js.Constructed({
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 2 // [2]
},
optional: true,
value: [new asn1js.Integer({ name: names.saltLength || "" })]
}), new asn1js.Constructed({
idBlock: {
tagClass: 3, // CONTEXT-SPECIFIC
tagNumber: 3 // [3]
},
optional: true,
value: [new asn1js.Integer({ name: names.trailerField || "" })]
})]
});
}
}]);
return RSASSAPSSParams;
}();
//**************************************************************************************
exports.default = RSASSAPSSParams;
//# sourceMappingURL=RSASSAPSSParams.js.map