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https://github.com/Ylianst/MeshCommander
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Fixed -kvmdatatrace issue.
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Ylian Saint-Hilaire
290
pki.js/KeyAgreeRecipientInfo.js
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290
pki.js/KeyAgreeRecipientInfo.js
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@@ -0,0 +1,290 @@
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import * as asn1js from "asn1js";
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import { getParametersValue, clearProps } from "pvutils";
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import OriginatorIdentifierOrKey from "./OriginatorIdentifierOrKey.js";
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import AlgorithmIdentifier from "./AlgorithmIdentifier.js";
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import RecipientEncryptedKeys from "./RecipientEncryptedKeys.js";
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import Certificate from "./Certificate.js";
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//**************************************************************************************
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/**
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* Class from RFC5652
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*/
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export default class KeyAgreeRecipientInfo
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{
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//**********************************************************************************
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/**
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* Constructor for KeyAgreeRecipientInfo class
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* @param {Object} [parameters={}]
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* @param {Object} [parameters.schema] asn1js parsed value to initialize the class from
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*/
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constructor(parameters = {})
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{
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//region Internal properties of the object
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/**
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* @type {number}
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* @desc version
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*/
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this.version = getParametersValue(parameters, "version", KeyAgreeRecipientInfo.defaultValues("version"));
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/**
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* @type {OriginatorIdentifierOrKey}
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* @desc originator
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*/
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this.originator = getParametersValue(parameters, "originator", KeyAgreeRecipientInfo.defaultValues("originator"));
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if("ukm" in parameters)
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/**
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* @type {OctetString}
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* @desc ukm
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*/
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this.ukm = getParametersValue(parameters, "ukm", KeyAgreeRecipientInfo.defaultValues("ukm"));
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/**
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* @type {AlgorithmIdentifier}
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* @desc keyEncryptionAlgorithm
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*/
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this.keyEncryptionAlgorithm = getParametersValue(parameters, "keyEncryptionAlgorithm", KeyAgreeRecipientInfo.defaultValues("keyEncryptionAlgorithm"));
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/**
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* @type {RecipientEncryptedKeys}
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* @desc recipientEncryptedKeys
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*/
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this.recipientEncryptedKeys = getParametersValue(parameters, "recipientEncryptedKeys", KeyAgreeRecipientInfo.defaultValues("recipientEncryptedKeys"));
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/**
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* @type {Certificate}
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* @desc recipientCertificate For some reasons we need to store recipient's certificate here
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*/
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this.recipientCertificate = getParametersValue(parameters, "recipientCertificate", KeyAgreeRecipientInfo.defaultValues("recipientCertificate"));
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//endregion
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//region If input argument array contains "schema" for this object
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if("schema" in parameters)
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this.fromSchema(parameters.schema);
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//endregion
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}
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//**********************************************************************************
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/**
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* Return default values for all class members
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* @param {string} memberName String name for a class member
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*/
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static defaultValues(memberName)
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{
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switch(memberName)
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{
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case "version":
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return 0;
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case "originator":
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return new OriginatorIdentifierOrKey();
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case "ukm":
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return new asn1js.OctetString();
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case "keyEncryptionAlgorithm":
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return new AlgorithmIdentifier();
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case "recipientEncryptedKeys":
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return new RecipientEncryptedKeys();
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case "recipientCertificate":
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return new Certificate();
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default:
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throw new Error(`Invalid member name for KeyAgreeRecipientInfo class: ${memberName}`);
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}
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}
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//**********************************************************************************
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/**
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* Compare values with default values for all class members
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* @param {string} memberName String name for a class member
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* @param {*} memberValue Value to compare with default value
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*/
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static compareWithDefault(memberName, memberValue)
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{
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switch(memberName)
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{
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case "version":
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return (memberValue === 0);
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case "originator":
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return ((memberValue.variant === (-1)) && (("value" in memberValue) === false));
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case "ukm":
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return (memberValue.isEqual(KeyAgreeRecipientInfo.defaultValues("ukm")));
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case "keyEncryptionAlgorithm":
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return ((memberValue.algorithmId === "") && (("algorithmParams" in memberValue) === false));
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case "recipientEncryptedKeys":
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return (memberValue.encryptedKeys.length === 0);
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case "recipientCertificate":
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return false; // For now leave it as is
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default:
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throw new Error(`Invalid member name for KeyAgreeRecipientInfo class: ${memberName}`);
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}
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}
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//**********************************************************************************
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/**
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* Return value of pre-defined ASN.1 schema for current class
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*
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* ASN.1 schema:
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* ```asn1
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* KeyAgreeRecipientInfo ::= SEQUENCE {
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* version CMSVersion, -- always set to 3
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* originator [0] EXPLICIT OriginatorIdentifierOrKey,
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* ukm [1] EXPLICIT UserKeyingMaterial OPTIONAL,
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* keyEncryptionAlgorithm KeyEncryptionAlgorithmIdentifier,
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* recipientEncryptedKeys RecipientEncryptedKeys }
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* ```
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*
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* @param {Object} parameters Input parameters for the schema
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* @returns {Object} asn1js schema object
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*/
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static schema(parameters = {})
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{
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/**
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* @type {Object}
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* @property {string} [blockName]
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* @property {string} [version]
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* @property {string} [originator]
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* @property {string} [ukm]
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* @property {string} [keyEncryptionAlgorithm]
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* @property {string} [recipientEncryptedKeys]
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*/
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const names = getParametersValue(parameters, "names", {});
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return (new asn1js.Sequence({
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name: names.blockName || "",
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value: [
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new asn1js.Integer({ name: names.version || "" }),
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new asn1js.Constructed({
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idBlock: {
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tagClass: 3, // CONTEXT-SPECIFIC
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tagNumber: 0 // [0]
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},
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value: [
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OriginatorIdentifierOrKey.schema(names.originator || {})
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]
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}),
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new asn1js.Constructed({
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optional: true,
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idBlock: {
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tagClass: 3, // CONTEXT-SPECIFIC
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tagNumber: 1 // [1]
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},
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value: [new asn1js.OctetString({ name: names.ukm || "" })]
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}),
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AlgorithmIdentifier.schema(names.keyEncryptionAlgorithm || {}),
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RecipientEncryptedKeys.schema(names.recipientEncryptedKeys || {})
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]
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}));
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}
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//**********************************************************************************
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/**
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* Convert parsed asn1js object into current class
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* @param {!Object} schema
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*/
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fromSchema(schema)
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{
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//region Clear input data first
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clearProps(schema, [
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"version",
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"originator",
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"ukm",
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"keyEncryptionAlgorithm",
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"recipientEncryptedKeys"
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]);
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//endregion
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//region Check the schema is valid
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const asn1 = asn1js.compareSchema(schema,
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schema,
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KeyAgreeRecipientInfo.schema({
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names: {
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version: "version",
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originator: {
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names: {
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blockName: "originator"
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}
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},
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ukm: "ukm",
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keyEncryptionAlgorithm: {
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names: {
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blockName: "keyEncryptionAlgorithm"
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}
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},
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recipientEncryptedKeys: {
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names: {
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blockName: "recipientEncryptedKeys"
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}
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}
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}
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})
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);
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if(asn1.verified === false)
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throw new Error("Object's schema was not verified against input data for KeyAgreeRecipientInfo");
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//endregion
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//region Get internal properties from parsed schema
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this.version = asn1.result.version.valueBlock.valueDec;
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this.originator = new OriginatorIdentifierOrKey({ schema: asn1.result.originator });
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if("ukm" in asn1.result)
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this.ukm = asn1.result.ukm;
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this.keyEncryptionAlgorithm = new AlgorithmIdentifier({ schema: asn1.result.keyEncryptionAlgorithm });
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this.recipientEncryptedKeys = new RecipientEncryptedKeys({ schema: asn1.result.recipientEncryptedKeys });
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//endregion
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}
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//**********************************************************************************
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/**
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* Convert current object to asn1js object and set correct values
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* @returns {Object} asn1js object
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*/
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toSchema()
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{
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//region Create array for final sequence
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const outputArray = [];
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outputArray.push(new asn1js.Integer({ value: this.version }));
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outputArray.push(new asn1js.Constructed({
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idBlock: {
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tagClass: 3, // CONTEXT-SPECIFIC
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tagNumber: 0 // [0]
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},
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value: [this.originator.toSchema()]
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}));
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if("ukm" in this)
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{
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outputArray.push(new asn1js.Constructed({
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optional: true,
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idBlock: {
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tagClass: 3, // CONTEXT-SPECIFIC
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tagNumber: 1 // [1]
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},
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value: [this.ukm]
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}));
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}
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outputArray.push(this.keyEncryptionAlgorithm.toSchema());
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outputArray.push(this.recipientEncryptedKeys.toSchema());
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//endregion
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//region Construct and return new ASN.1 schema for this object
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return (new asn1js.Sequence({
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value: outputArray
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}));
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//endregion
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}
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//**********************************************************************************
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/**
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* Convertion for the class to JSON object
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* @returns {Object}
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*/
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toJSON()
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{
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const _object = {
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version: this.version,
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originator: this.originator.toJSON()
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};
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if("ukm" in this)
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_object.ukm = this.ukm.toJSON();
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_object.keyEncryptionAlgorithm = this.keyEncryptionAlgorithm.toJSON();
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_object.recipientEncryptedKeys = this.recipientEncryptedKeys.toJSON();
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return _object;
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}
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//**********************************************************************************
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}
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//**************************************************************************************
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