Fixed -kvmdatatrace issue.

2025-12-13 06:43:19 +00:00 · 2020-08-10 13:47:28 -07:00
parent ea9fb68287
commit 1507acee4f
116 changed files with 49517 additions and 18 deletions
--- a/pki.js/MessageImprint.js
+++ b/pki.js/MessageImprint.js
@@ -0,0 +1,171 @@
+import * as asn1js from "asn1js";
+import { getParametersValue, clearProps } from "pvutils";
+import AlgorithmIdentifier from "./AlgorithmIdentifier.js";
+//**************************************************************************************
+/**
+ * Class from RFC3161
+ */
+export default class MessageImprint
+{
+	//**********************************************************************************
+	/**
+	 * Constructor for MessageImprint class
+	 * @param {Object} [parameters={}]
+	 * @param {Object} [parameters.schema] asn1js parsed value to initialize the class from
+	 */
+	constructor(parameters = {})
+	{
+		//region Internal properties of the object
+		/**
+		 * @type {AlgorithmIdentifier}
+		 * @desc hashAlgorithm
+		 */
+		this.hashAlgorithm = getParametersValue(parameters, "hashAlgorithm", MessageImprint.defaultValues("hashAlgorithm"));
+		/**
+		 * @type {OctetString}
+		 * @desc hashedMessage
+		 */
+		this.hashedMessage = getParametersValue(parameters, "hashedMessage", MessageImprint.defaultValues("hashedMessage"));
+		//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
+	 */
+	static defaultValues(memberName)
+	{
+		switch(memberName)
+		{
+			case "hashAlgorithm":
+				return new AlgorithmIdentifier();
+			case "hashedMessage":
+				return new asn1js.OctetString();
+			default:
+				throw new Error(`Invalid member name for MessageImprint 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
+	 */
+	static compareWithDefault(memberName, memberValue)
+	{
+		switch(memberName)
+		{
+			case "hashAlgorithm":
+				return ((memberValue.algorithmId === "") && (("algorithmParams" in memberValue) === false));
+			case "hashedMessage":
+				return (memberValue.isEqual(MessageImprint.defaultValues(memberName)) === 0);
+			default:
+				throw new Error(`Invalid member name for MessageImprint class: ${memberName}`);
+		}
+	}
+	//**********************************************************************************
+	/**
+	 * Return value of pre-defined ASN.1 schema for current class
+	 *
+	 * ASN.1 schema:
+	 * ```asn1
+	 * MessageImprint ::= SEQUENCE  {
+	 *    hashAlgorithm                AlgorithmIdentifier,
+	 *    hashedMessage                OCTET STRING  }
+	 * ```
+	 *
+	 * @param {Object} parameters Input parameters for the schema
+	 * @returns {Object} asn1js schema object
+	 */
+	static schema(parameters = {})
+	{
+		/**
+		 * @type {Object}
+		 * @property {string} [blockName]
+		 * @property {string} [hashAlgorithm]
+		 * @property {string} [hashedMessage]
+		 */
+		const names = getParametersValue(parameters, "names", {});
+
+		return (new asn1js.Sequence({
+			name: (names.blockName || ""),
+			value: [
+				AlgorithmIdentifier.schema(names.hashAlgorithm || {}),
+				new asn1js.OctetString({ name: (names.hashedMessage || "") })
+			]
+		}));
+	}
+	//**********************************************************************************
+	/**
+	 * Convert parsed asn1js object into current class
+	 * @param {!Object} schema
+	 */
+	fromSchema(schema)
+	{
+		//region Clear input data first
+		clearProps(schema, [
+			"hashAlgorithm",
+			"hashedMessage"
+		]);
+		//endregion
+		
+		//region Check the schema is valid
+		const asn1 = asn1js.compareSchema(schema,
+			schema,
+			MessageImprint.schema({
+				names: {
+					hashAlgorithm: {
+						names: {
+							blockName: "hashAlgorithm"
+						}
+					},
+					hashedMessage: "hashedMessage"
+				}
+			})
+		);
+
+		if(asn1.verified === false)
+			throw new Error("Object's schema was not verified against input data for MessageImprint");
+		//endregion
+
+		//region Get internal properties from parsed schema
+		this.hashAlgorithm = new AlgorithmIdentifier({ schema: asn1.result.hashAlgorithm });
+		this.hashedMessage = asn1.result.hashedMessage;
+		//endregion
+	}
+	//**********************************************************************************
+	/**
+	 * Convert current object to asn1js object and set correct values
+	 * @returns {Object} asn1js object
+	 */
+	toSchema()
+	{
+		//region Construct and return new ASN.1 schema for this object
+		return (new asn1js.Sequence({
+			value: [
+				this.hashAlgorithm.toSchema(),
+				this.hashedMessage
+			]
+		}));
+		//endregion
+	}
+	//**********************************************************************************
+	/**
+	 * Convertion for the class to JSON object
+	 * @returns {Object}
+	 */
+	toJSON()
+	{
+		return {
+			hashAlgorithm: this.hashAlgorithm.toJSON(),
+			hashedMessage: this.hashedMessage.toJSON()
+		};
+	}
+	//**********************************************************************************
+}
+//**************************************************************************************