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
;
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);
var _EncryptedData = require("./EncryptedData.js");
var _EncryptedData2 = _interopRequireDefault(_EncryptedData);
var _EncryptedContentInfo = require("./EncryptedContentInfo.js");
var _EncryptedContentInfo2 = _interopRequireDefault(_EncryptedContentInfo);
var _PrivateKeyInfo = require("./PrivateKeyInfo.js");
var _PrivateKeyInfo2 = _interopRequireDefault(_PrivateKeyInfo);
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 RFC7292
*/
var PKCS8ShroudedKeyBag = function () {
//**********************************************************************************
/**
* Constructor for PKCS8ShroudedKeyBag class
* @param {Object} [parameters={}]
* @property {Object} [schema] asn1js parsed value
*/
function PKCS8ShroudedKeyBag() {
var parameters = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
_classCallCheck(this, PKCS8ShroudedKeyBag);
//region Internal properties of the object
/**
* @type {AlgorithmIdentifier}
* @description encryptionAlgorithm
*/
this.encryptionAlgorithm = (0, _pvutils.getParametersValue)(parameters, "encryptionAlgorithm", PKCS8ShroudedKeyBag.defaultValues("encryptionAlgorithm"));
/**
* @type {OctetString}
* @description encryptedData
*/
this.encryptedData = (0, _pvutils.getParametersValue)(parameters, "encryptedData", PKCS8ShroudedKeyBag.defaultValues("encryptedData"));
if ("parsedValue" in parameters)
/**
* @type {*}
* @description parsedValue
*/
this.parsedValue = (0, _pvutils.getParametersValue)(parameters, "parsedValue", PKCS8ShroudedKeyBag.defaultValues("parsedValue"));
//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(PKCS8ShroudedKeyBag, [{
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, PKCS8ShroudedKeyBag.schema({
names: {
encryptionAlgorithm: {
names: {
blockName: "encryptionAlgorithm"
}
},
encryptedData: "encryptedData"
}
}));
if (asn1.verified === false) throw new Error("Object's schema was not verified against input data for PKCS8ShroudedKeyBag");
//endregion
//region Get internal properties from parsed schema
this.encryptionAlgorithm = new _AlgorithmIdentifier2.default({ schema: asn1.result.encryptionAlgorithm });
this.encryptedData = asn1.result.encryptedData;
//endregion
}
//**********************************************************************************
/**
* Convert current object to asn1js object and set correct values
* @returns {Object} asn1js object
*/
}, {
key: "toSchema",
value: function toSchema() {
//region Construct and return new ASN.1 schema for this object
return new asn1js.Sequence({
value: [this.encryptionAlgorithm.toSchema(), this.encryptedData]
});
//endregion
}
//**********************************************************************************
/**
* Convertion for the class to JSON object
* @returns {Object}
*/
}, {
key: "toJSON",
value: function toJSON() {
return {
encryptionAlgorithm: this.encryptionAlgorithm.toJSON(),
encryptedData: this.encryptedData.toJSON()
};
}
//**********************************************************************************
}, {
key: "parseInternalValues",
value: function parseInternalValues(parameters) {
var _this = this;
//region Initial variables
var sequence = Promise.resolve();
var cmsEncrypted = new _EncryptedData2.default({
encryptedContentInfo: new _EncryptedContentInfo2.default({
contentEncryptionAlgorithm: this.encryptionAlgorithm,
encryptedContent: this.encryptedData
})
});
//endregion
//region Decrypt internal data
sequence = sequence.then(function () {
return cmsEncrypted.decrypt(parameters);
}, function (error) {
return Promise.reject(error);
});
//endregion
//region Initialize "parsedValue" with decrypted PKCS#8 private key
sequence = sequence.then(
/**
* @param {ArrayBuffer} result
*/
function (result) {
var asn1 = asn1js.fromBER(result);
if (asn1.offset === -1) return Promise.reject("Error during parsing ASN.1 data");
_this.parsedValue = new _PrivateKeyInfo2.default({ schema: asn1.result });
return Promise.resolve();
}, function (error) {
return Promise.reject(error);
});
//endregion
return sequence;
}
//**********************************************************************************
}, {
key: "makeInternalValues",
value: function makeInternalValues(parameters) {
var _this2 = this;
//region Check that we do have "parsedValue"
if ("parsedValue" in this === false) return Promise.reject("Please initialize \"parsedValue\" first");
//endregion
//region Initial variables
var sequence = Promise.resolve();
var cmsEncrypted = new _EncryptedData2.default();
//endregion
//region Encrypt internal data
sequence = sequence.then(function () {
parameters.contentToEncrypt = _this2.parsedValue.toSchema().toBER(false);
return cmsEncrypted.encrypt(parameters);
}, function (error) {
return Promise.reject(error);
});
//endregion
//region Initialize internal values
sequence = sequence.then(function () {
_this2.encryptionAlgorithm = cmsEncrypted.encryptedContentInfo.contentEncryptionAlgorithm;
_this2.encryptedData = cmsEncrypted.encryptedContentInfo.encryptedContent;
});
//endregion
return sequence;
}
//**********************************************************************************
}], [{
key: "defaultValues",
value: function defaultValues(memberName) {
switch (memberName) {
case "encryptionAlgorithm":
return new _AlgorithmIdentifier2.default();
case "encryptedData":
return new asn1js.OctetString();
case "parsedValue":
return {};
default:
throw new Error("Invalid member name for PKCS8ShroudedKeyBag class: " + memberName);
}
}
//**********************************************************************************
/**
* Compare values with default values for all class members
* @param {string} memberName String name for a class member
* @param {*} memberValue Value to compare with default value
*/
}, {
key: "compareWithDefault",
value: function compareWithDefault(memberName, memberValue) {
switch (memberName) {
case "encryptionAlgorithm":
return _AlgorithmIdentifier2.default.compareWithDefault("algorithmId", memberValue.algorithmId) && "algorithmParams" in memberValue === false;
case "encryptedData":
return memberValue.isEqual(PKCS8ShroudedKeyBag.defaultValues(memberName));
case "parsedValue":
return memberValue instanceof Object && Object.keys(memberValue).length === 0;
default:
throw new Error("Invalid member name for PKCS8ShroudedKeyBag 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] : {};
//PKCS8ShroudedKeyBag ::= EncryptedPrivateKeyInfo
//EncryptedPrivateKeyInfo ::= SEQUENCE {
// encryptionAlgorithm AlgorithmIdentifier {{KeyEncryptionAlgorithms}},
// encryptedData EncryptedData
//}
//EncryptedData ::= OCTET STRING
/**
* @type {Object}
* @property {string} [blockName]
* @property {string} [encryptionAlgorithm]
* @property {string} [encryptedData]
*/
var names = (0, _pvutils.getParametersValue)(parameters, "names", {});
return new asn1js.Sequence({
name: names.blockName || "",
value: [_AlgorithmIdentifier2.default.schema(names.encryptionAlgorithm || {
names: {
blockName: "encryptionAlgorithm"
}
}), new asn1js.Choice({
value: [new asn1js.OctetString({ name: names.encryptedData || "encryptedData" }), new asn1js.OctetString({
idBlock: {
isConstructed: true
},
name: names.encryptedData || "encryptedData"
})]
})]
});
}
}]);
return PKCS8ShroudedKeyBag;
}();
//**************************************************************************************
exports.default = PKCS8ShroudedKeyBag;
//# sourceMappingURL=PKCS8ShroudedKeyBag.js.map