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55 lines
1.6 KiB
JavaScript
55 lines
1.6 KiB
JavaScript
/**
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2016
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* @license Apache-2.0
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*/
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import r from "jsrsasign";
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import Operation from "../Operation.mjs";
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/**
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* Parse ASN.1 hex string operation
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*/
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class ParseASN1HexString extends Operation {
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/**
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* ParseASN1HexString constructor
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*/
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constructor() {
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super();
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this.name = "Parse ASN.1 hex string";
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this.module = "PublicKey";
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this.description = "Abstract Syntax Notation One (ASN.1) is a standard and notation that describes rules and structures for representing, encoding, transmitting, and decoding data in telecommunications and computer networking.<br><br>This operation parses arbitrary ASN.1 data (encoded as an hex string: use the 'To Hex' operation if necessary) and presents the resulting tree.";
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this.infoURL = "https://wikipedia.org/wiki/Abstract_Syntax_Notation_One";
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this.inputType = "string";
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this.outputType = "string";
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this.args = [
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{
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"name": "Starting index",
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"type": "number",
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"value": 0
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},
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{
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"name": "Truncate octet strings longer than",
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"type": "number",
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"value": 32
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}
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];
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}
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/**
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run(input, args) {
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const [index, truncateLen] = args;
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return r.ASN1HEX.dump(input.replace(/\s/g, "").toLowerCase(), {
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"ommit_long_octet": truncateLen
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}, index);
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}
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}
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export default ParseASN1HexString;
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