1 files changed, 154 insertions, 0 deletions
diff --git a/third_party/js/PKI.js/src/OriginatorPublicKey.ts b/third_party/js/PKI.js/src/OriginatorPublicKey.ts
new file mode 100644
index 0000000000..57e2a90275
--- /dev/null
+++ b/third_party/js/PKI.js/src/OriginatorPublicKey.ts
@@ -0,0 +1,154 @@
+import * as asn1js from "asn1js";
+import * as pvutils from "pvutils";
+import { AlgorithmIdentifier, AlgorithmIdentifierJson, AlgorithmIdentifierSchema } from "./AlgorithmIdentifier";
+import { EMPTY_STRING } from "./constants";
+import { AsnError } from "./errors";
+import { PkiObject, PkiObjectParameters } from "./PkiObject";
+import * as Schema from "./Schema";
+
+const ALGORITHM = "algorithm";
+const PUBLIC_KEY = "publicKey";
+const CLEAR_PROPS = [
+  ALGORITHM,
+  PUBLIC_KEY
+];
+
+export interface IOriginatorPublicKey {
+  algorithm: AlgorithmIdentifier;
+  publicKey: asn1js.BitString;
+}
+
+export interface OriginatorPublicKeyJson {
+  algorithm: AlgorithmIdentifierJson;
+  publicKey: asn1js.BitStringJson;
+}
+
+export type OriginatorPublicKeyParameters = PkiObjectParameters & Partial<IOriginatorPublicKey>;
+
+/**
+ * Represents the OriginatorPublicKey structure described in [RFC5652](https://datatracker.ietf.org/doc/html/rfc5652)
+ */
+export class OriginatorPublicKey extends PkiObject implements IOriginatorPublicKey {
+
+  public static override CLASS_NAME = "OriginatorPublicKey";
+
+  public algorithm!: AlgorithmIdentifier;
+  public publicKey!: asn1js.BitString;
+
+  /**
+   * Initializes a new instance of the {@link OriginatorPublicKey} class
+   * @param parameters Initialization parameters
+   */
+  constructor(parameters: OriginatorPublicKeyParameters = {}) {
+    super();
+
+    this.algorithm = pvutils.getParametersValue(parameters, ALGORITHM, OriginatorPublicKey.defaultValues(ALGORITHM));
+    this.publicKey = pvutils.getParametersValue(parameters, PUBLIC_KEY, OriginatorPublicKey.defaultValues(PUBLIC_KEY));
+
+    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 ALGORITHM): AlgorithmIdentifier;
+  public static override defaultValues(memberName: typeof PUBLIC_KEY): asn1js.BitString;
+  public static override defaultValues(memberName: string): any;
+  public static override defaultValues(memberName: string): any {
+    switch (memberName) {
+      case ALGORITHM:
+        return new AlgorithmIdentifier();
+      case PUBLIC_KEY:
+        return new asn1js.BitString();
+      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<T extends { isEqual(data: any): boolean; }>(memberName: string, memberValue: T): memberValue is T {
+    switch (memberName) {
+      case ALGORITHM:
+      case PUBLIC_KEY:
+        return (memberValue.isEqual(OriginatorPublicKey.defaultValues(memberName)));
+      default:
+        return super.defaultValues(memberName);
+    }
+  }
+
+  /**
+   * @inheritdoc
+   * @asn ASN.1 schema
+   * ```asn
+   * OriginatorPublicKey ::= SEQUENCE {
+   *    algorithm AlgorithmIdentifier,
+   *    publicKey BIT STRING }
+   *```
+   */
+  static override schema(parameters: Schema.SchemaParameters<{
+    algorithm?: AlgorithmIdentifierSchema;
+    publicKey?: string;
+  }> = {}): Schema.SchemaType {
+    const names = pvutils.getParametersValue<NonNullable<typeof parameters.names>>(parameters, "names", {});
+
+    return (new asn1js.Sequence({
+      name: (names.blockName || EMPTY_STRING),
+      value: [
+        AlgorithmIdentifier.schema(names.algorithm || {}),
+        new asn1js.BitString({ name: (names.publicKey || EMPTY_STRING) })
+      ]
+    }));
+  }
+
+  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,
+      OriginatorPublicKey.schema({
+        names: {
+          algorithm: {
+            names: {
+              blockName: ALGORITHM
+            }
+          },
+          publicKey: PUBLIC_KEY
+        }
+      })
+    );
+    AsnError.assertSchema(asn1, this.className);
+
+    // Get internal properties from parsed schema
+    this.algorithm = new AlgorithmIdentifier({ schema: asn1.result.algorithm });
+    this.publicKey = asn1.result.publicKey;
+  }
+
+  public toSchema(): asn1js.Sequence {
+    //#region Construct and return new ASN.1 schema for this object
+    return (new asn1js.Sequence({
+      value: [
+        this.algorithm.toSchema(),
+        this.publicKey
+      ]
+    }));
+    //#endregion
+  }
+
+  public toJSON(): OriginatorPublicKeyJson {
+    return {
+      algorithm: this.algorithm.toJSON(),
+      publicKey: this.publicKey.toJSON(),
+    };
+  }
+
+}