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diff --git a/third_party/js/PKI.js/src/KEKIdentifier.ts b/third_party/js/PKI.js/src/KEKIdentifier.ts
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+++ b/third_party/js/PKI.js/src/KEKIdentifier.ts
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+import * as asn1js from "asn1js";
+import * as pvutils from "pvutils";
+import { EMPTY_STRING } from "./constants";
+import { AsnError } from "./errors";
+import { OtherKeyAttribute, OtherKeyAttributeJson, OtherKeyAttributeSchema } from "./OtherKeyAttribute";
+import { PkiObject, PkiObjectParameters } from "./PkiObject";
+import * as Schema from "./Schema";
+
+const KEY_IDENTIFIER = "keyIdentifier";
+const DATE = "date";
+const OTHER = "other";
+const CLEAR_PROPS = [
+ KEY_IDENTIFIER,
+ DATE,
+ OTHER,
+];
+
+export interface IKEKIdentifier {
+ keyIdentifier: asn1js.OctetString;
+ date?: asn1js.GeneralizedTime;
+ other?: OtherKeyAttribute;
+}
+
+export interface KEKIdentifierJson {
+ keyIdentifier: asn1js.OctetStringJson;
+ date?: asn1js.GeneralizedTime;
+ other?: OtherKeyAttributeJson;
+}
+
+export type KEKIdentifierParameters = PkiObjectParameters & Partial<IKEKIdentifier>;
+
+export type KEKIdentifierSchema = Schema.SchemaParameters<{
+ keyIdentifier?: string;
+ date?: string;
+ other?: OtherKeyAttributeSchema;
+}>;
+
+/**
+ * Represents the KEKIdentifier structure described in [RFC5652](https://datatracker.ietf.org/doc/html/rfc5652)
+ */
+export class KEKIdentifier extends PkiObject implements IKEKIdentifier {
+
+ public static override CLASS_NAME = "KEKIdentifier";
+
+ public keyIdentifier!: asn1js.OctetString;
+ public date?: asn1js.GeneralizedTime;
+ public other?: OtherKeyAttribute;
+
+ /**
+ * Initializes a new instance of the {@link KEKIdentifier} class
+ * @param parameters Initialization parameters
+ */
+ constructor(parameters: KEKIdentifierParameters = {}) {
+ super();
+
+ this.keyIdentifier = pvutils.getParametersValue(parameters, KEY_IDENTIFIER, KEKIdentifier.defaultValues(KEY_IDENTIFIER));
+ if (DATE in parameters) {
+ this.date = pvutils.getParametersValue(parameters, DATE, KEKIdentifier.defaultValues(DATE));
+ }
+ if (OTHER in parameters) {
+ this.other = pvutils.getParametersValue(parameters, OTHER, KEKIdentifier.defaultValues(OTHER));
+ }
+
+ if (parameters.schema) {
+ this.fromSchema(parameters.schema);
+ }
+ }
+
+ /**
+ * Returns default values for all class members
+ * @param memberName String name for a class member
+ * @returns Default value
+ */
+ public static override defaultValues(memberName: typeof KEY_IDENTIFIER): asn1js.OctetString;
+ public static override defaultValues(memberName: typeof DATE): asn1js.GeneralizedTime;
+ public static override defaultValues(memberName: typeof OTHER): OtherKeyAttribute;
+ public static override defaultValues(memberName: string): any {
+ switch (memberName) {
+ case KEY_IDENTIFIER:
+ return new asn1js.OctetString();
+ case DATE:
+ return new asn1js.GeneralizedTime();
+ case OTHER:
+ return new OtherKeyAttribute();
+ default:
+ return super.defaultValues(memberName);
+ }
+ }
+
+ /**
+ * Compare values with default values for all class members
+ * @param memberName String name for a class member
+ * @param memberValue Value to compare with default value
+ */
+ public static compareWithDefault(memberName: string, memberValue: any): boolean {
+ switch (memberName) {
+ case KEY_IDENTIFIER:
+ return (memberValue.isEqual(KEKIdentifier.defaultValues(KEY_IDENTIFIER)));
+ case DATE:
+ return ((memberValue.year === 0) &&
+ (memberValue.month === 0) &&
+ (memberValue.day === 0) &&
+ (memberValue.hour === 0) &&
+ (memberValue.minute === 0) &&
+ (memberValue.second === 0) &&
+ (memberValue.millisecond === 0));
+ case OTHER:
+ return ((memberValue.compareWithDefault("keyAttrId", memberValue.keyAttrId)) &&
+ (("keyAttr" in memberValue) === false));
+ default:
+ return super.defaultValues(memberName);
+ }
+ }
+
+ /**
+ * @inheritdoc
+ * @asn ASN.1 schema
+ * ```asn
+ * KEKIdentifier ::= SEQUENCE {
+ * keyIdentifier OCTET STRING,
+ * date GeneralizedTime OPTIONAL,
+ * other OtherKeyAttribute OPTIONAL }
+ *```
+ */
+ public static override schema(parameters: KEKIdentifierSchema = {}): Schema.SchemaType {
+ const names = pvutils.getParametersValue<NonNullable<typeof parameters.names>>(parameters, "names", {});
+
+ return (new asn1js.Sequence({
+ name: (names.blockName || EMPTY_STRING),
+ value: [
+ new asn1js.OctetString({ name: (names.keyIdentifier || EMPTY_STRING) }),
+ new asn1js.GeneralizedTime({
+ optional: true,
+ name: (names.date || EMPTY_STRING)
+ }),
+ OtherKeyAttribute.schema(names.other || {})
+ ]
+ }));
+ }
+
+ public fromSchema(schema: Schema.SchemaType): void {
+ // Clear input data first
+ pvutils.clearProps(schema, CLEAR_PROPS);
+
+ // Check the schema is valid
+ const asn1 = asn1js.compareSchema(schema,
+ schema,
+ KEKIdentifier.schema({
+ names: {
+ keyIdentifier: KEY_IDENTIFIER,
+ date: DATE,
+ other: {
+ names: {
+ blockName: OTHER
+ }
+ }
+ }
+ })
+ );
+ AsnError.assertSchema(asn1, this.className);
+
+ // Get internal properties from parsed schema
+ this.keyIdentifier = asn1.result.keyIdentifier;
+ if (DATE in asn1.result)
+ this.date = asn1.result.date;
+ if (OTHER in asn1.result)
+ this.other = new OtherKeyAttribute({ schema: asn1.result.other });
+ }
+
+ public toSchema(): asn1js.Sequence {
+ //#region Create array for output sequence
+ const outputArray = [];
+
+ outputArray.push(this.keyIdentifier);
+
+ if (this.date) {
+ outputArray.push(this.date);
+ }
+ if (this.other) {
+ outputArray.push(this.other.toSchema());
+ }
+ //#endregion
+
+ //#region Construct and return new ASN.1 schema for this object
+ return (new asn1js.Sequence({
+ value: outputArray
+ }));
+ //#endregion
+ }
+
+ public toJSON(): KEKIdentifierJson {
+ const res: KEKIdentifierJson = {
+ keyIdentifier: this.keyIdentifier.toJSON()
+ };
+
+ if (this.date) {
+ res.date = this.date;
+ }
+
+ if (this.other) {
+ res.other = this.other.toJSON();
+ }
+
+ return res;
+ }
+
+}