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https://github.com/Ylianst/MeshCommander
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Fixed -kvmdatatrace issue.
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Ylian Saint-Hilaire
248
pki.js/KeyTransRecipientInfo.js
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248
pki.js/KeyTransRecipientInfo.js
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import * as asn1js from "asn1js";
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import { getParametersValue, clearProps } from "pvutils";
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import AlgorithmIdentifier from "./AlgorithmIdentifier.js";
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import Certificate from "./Certificate.js";
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import RecipientIdentifier from "./RecipientIdentifier.js";
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import IssuerAndSerialNumber from "./IssuerAndSerialNumber.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 KeyTransRecipientInfo
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{
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//**********************************************************************************
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/**
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* Constructor for KeyTransRecipientInfo 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", KeyTransRecipientInfo.defaultValues("version"));
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/**
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* @type {RecipientIdentifier}
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* @desc rid
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*/
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this.rid = getParametersValue(parameters, "rid", KeyTransRecipientInfo.defaultValues("rid"));
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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", KeyTransRecipientInfo.defaultValues("keyEncryptionAlgorithm"));
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/**
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* @type {OctetString}
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* @desc encryptedKey
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*/
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this.encryptedKey = getParametersValue(parameters, "encryptedKey", KeyTransRecipientInfo.defaultValues("encryptedKey"));
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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", KeyTransRecipientInfo.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 (-1);
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case "rid":
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return {};
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case "keyEncryptionAlgorithm":
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return new AlgorithmIdentifier();
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case "encryptedKey":
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return new asn1js.OctetString();
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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 KeyTransRecipientInfo 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 === KeyTransRecipientInfo.defaultValues("version"));
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case "rid":
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return (Object.keys(memberValue).length === 0);
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case "keyEncryptionAlgorithm":
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case "encryptedKey":
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return memberValue.isEqual(KeyTransRecipientInfo.defaultValues(memberName));
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case "recipientCertificate":
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return false; // For now we do not need to compare any values with the "recipientCertificate"
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default:
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throw new Error(`Invalid member name for KeyTransRecipientInfo 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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* KeyTransRecipientInfo ::= SEQUENCE {
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* version CMSVersion, -- always set to 0 or 2
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* rid RecipientIdentifier,
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* keyEncryptionAlgorithm KeyEncryptionAlgorithmIdentifier,
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* encryptedKey EncryptedKey }
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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} [rid]
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* @property {string} [keyEncryptionAlgorithm]
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* @property {string} [encryptedKey]
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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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RecipientIdentifier.schema(names.rid || {}),
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AlgorithmIdentifier.schema(names.keyEncryptionAlgorithm || {}),
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new asn1js.OctetString({ name: (names.encryptedKey || "") })
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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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"rid",
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"keyEncryptionAlgorithm",
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"encryptedKey"
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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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KeyTransRecipientInfo.schema({
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names: {
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version: "version",
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rid: {
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names: {
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blockName: "rid"
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}
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},
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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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encryptedKey: "encryptedKey"
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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 KeyTransRecipientInfo");
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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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if(asn1.result.rid.idBlock.tagClass === 3)
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this.rid = new asn1js.OctetString({ valueHex: asn1.result.rid.valueBlock.valueHex }); // SubjectKeyIdentifier
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else
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this.rid = new IssuerAndSerialNumber({ schema: asn1.result.rid });
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this.keyEncryptionAlgorithm = new AlgorithmIdentifier({ schema: asn1.result.keyEncryptionAlgorithm });
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this.encryptedKey = asn1.result.encryptedKey;
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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 output sequence
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const outputArray = [];
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if(this.rid instanceof IssuerAndSerialNumber)
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{
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this.version = 0;
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outputArray.push(new asn1js.Integer({ value: this.version }));
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outputArray.push(this.rid.toSchema());
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}
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else
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{
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this.version = 2;
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outputArray.push(new asn1js.Integer({ value: this.version }));
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outputArray.push(new asn1js.Primitive({
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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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valueHex: this.rid.valueBlock.valueHex
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}));
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}
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outputArray.push(this.keyEncryptionAlgorithm.toSchema());
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outputArray.push(this.encryptedKey);
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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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return {
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version: this.version,
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rid: this.rid.toJSON(),
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keyEncryptionAlgorithm: this.keyEncryptionAlgorithm.toJSON(),
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encryptedKey: this.encryptedKey.toJSON()
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};
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}
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//**********************************************************************************
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}
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//**************************************************************************************
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