Fixed -kvmdatatrace issue.

2025-12-10 05:13:53 +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/DigestInfo.js
+++ b/pki.js/DigestInfo.js
@@ -0,0 +1,179 @@
+import * as asn1js from "asn1js";
+import { getParametersValue, clearProps } from "pvutils";
+import AlgorithmIdentifier from "./AlgorithmIdentifier.js";
+//**************************************************************************************
+/**
+ * Class from RFC3447
+ */
+export default class DigestInfo 
+{
+	//**********************************************************************************
+	/**
+	 * Constructor for DigestInfo 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 digestAlgorithm
+		 */
+		this.digestAlgorithm = getParametersValue(parameters, "digestAlgorithm", DigestInfo.defaultValues("digestAlgorithm"));
+		/**
+		 * @type {OctetString}
+		 * @desc digest
+		 */
+		this.digest = getParametersValue(parameters, "digest", DigestInfo.defaultValues("digest"));
+		//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 "digestAlgorithm":
+				return new AlgorithmIdentifier();
+			case "digest":
+				return new asn1js.OctetString();
+			default:
+				throw new Error(`Invalid member name for DigestInfo 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 "digestAlgorithm":
+				return ((AlgorithmIdentifier.compareWithDefault("algorithmId", memberValue.algorithmId)) &&
+				(("algorithmParams" in memberValue) === false));
+			case "digest":
+				return (memberValue.isEqual(DigestInfo.defaultValues(memberName)));
+			default:
+				throw new Error(`Invalid member name for DigestInfo class: ${memberName}`);
+		}
+	}
+	//**********************************************************************************
+	/**
+	 * Return value of pre-defined ASN.1 schema for current class
+	 *
+	 * ASN.1 schema:
+	 * ```asn1
+	 * DigestInfo ::= SEQUENCE {
+	 *    digestAlgorithm DigestAlgorithmIdentifier,
+	 *    digest Digest }
+	 *
+	 * Digest ::= 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} [type]
+		 * @property {string} [setName]
+		 * @property {string} [values]
+		 */
+		const names = getParametersValue(parameters, "names", {});
+		
+		return (new asn1js.Sequence({
+			name: (names.blockName || ""),
+			value: [
+				AlgorithmIdentifier.schema(names.digestAlgorithm || {
+					names: {
+						blockName: "digestAlgorithm"
+					}
+				}),
+				new asn1js.OctetString({ name: (names.digest || "digest") })
+			]
+		}));
+	}
+	//**********************************************************************************
+	/**
+	 * Convert parsed asn1js object into current class
+	 * @param {!Object} schema
+	 */
+	fromSchema(schema)
+	{
+		//region Clear input data first
+		clearProps(schema, [
+			"digestAlgorithm",
+			"digest"
+		]);
+		//endregion
+		
+		//region Check the schema is valid
+		const asn1 = asn1js.compareSchema(schema,
+			schema,
+			DigestInfo.schema({
+				names: {
+					digestAlgorithm: {
+						names: {
+							blockName: "digestAlgorithm"
+						}
+					},
+					digest: "digest"
+				}
+			})
+		);
+		
+		if(asn1.verified === false)
+			throw new Error("Object's schema was not verified against input data for DigestInfo");
+		//endregion
+		
+		//region Get internal properties from parsed schema
+		this.digestAlgorithm = new AlgorithmIdentifier({ schema: asn1.result.digestAlgorithm });
+		this.digest = asn1.result.digest;
+		//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.digestAlgorithm.toSchema(),
+				this.digest
+			]
+		}));
+		//endregion
+	}
+	//**********************************************************************************
+	/**
+	 * Convertion for the class to JSON object
+	 * @returns {Object}
+	 */
+	toJSON()
+	{
+		return {
+			digestAlgorithm: this.digestAlgorithm.toJSON(),
+			digest: this.digest.toJSON()
+		};
+	}
+	//**********************************************************************************
+}
+//**************************************************************************************