mirror of https://github.com/gchq/CyberChef.git
Converted DES and TripleDES ops
This commit is contained in:
Matt C
parent
189e077247
commit
46b8b2fa7e
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@ -0,0 +1,92 @@
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/**
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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 Operation from "../Operation";
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import Utils from "../Utils";
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import forge from "node-forge/dist/forge.min.js";
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/**
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* DES Decrypt operation
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*/
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class DESDecrypt extends Operation {
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/**
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* DESDecrypt constructor
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*/
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constructor() {
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super();
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this.name = "DES Decrypt";
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this.module = "Ciphers";
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this.description = "DES is a previously dominant algorithm for encryption, and was published as an official U.S. Federal Information Processing Standard (FIPS). It is now considered to be insecure due to its small key size.<br><br><b>Key:</b> DES uses a key length of 8 bytes (64 bits).<br>Triple DES uses a key length of 24 bytes (192 bits).<br><br><b>IV:</b> The Initialization Vector should be 8 bytes long. If not entered, it will default to 8 null bytes.<br><br><b>Padding:</b> In CBC and ECB mode, PKCS#7 padding will be used.";
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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": "Key",
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"type": "toggleString",
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"value": "",
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"toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
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},
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{
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"name": "IV",
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"type": "toggleString",
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"value": "",
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"toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
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},
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{
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"name": "Mode",
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"type": "option",
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"value": ["CBC", "CFB", "OFB", "CTR", "ECB"]
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},
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{
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"name": "Input",
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"type": "option",
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"value": ["Hex", "Raw"]
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},
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{
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"name": "Output",
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"type": "option",
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"value": ["Raw", "Hex"]
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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 key = Utils.convertToByteString(args[0].string, args[0].option),
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iv = Utils.convertToByteArray(args[1].string, args[1].option),
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mode = args[2],
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inputType = args[3],
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outputType = args[4];
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if (key.length !== 8) {
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return `Invalid key length: ${key.length} bytes
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DES uses a key length of 8 bytes (64 bits).
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Triple DES uses a key length of 24 bytes (192 bits).`;
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}
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input = Utils.convertToByteString(input, inputType);
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const decipher = forge.cipher.createDecipher("DES-" + mode, key);
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decipher.start({iv: iv});
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decipher.update(forge.util.createBuffer(input));
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const result = decipher.finish();
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if (result) {
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return outputType === "Hex" ? decipher.output.toHex() : decipher.output.getBytes();
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} else {
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return "Unable to decrypt input with these parameters.";
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}
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}
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}
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export default DESDecrypt;
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@ -0,0 +1,89 @@
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/**
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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 Operation from "../Operation";
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import Utils from "../Utils";
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import forge from "node-forge/dist/forge.min.js";
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/**
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* DES Encrypt operation
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*/
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class DESEncrypt extends Operation {
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/**
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* DESEncrypt constructor
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*/
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constructor() {
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super();
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this.name = "DES Encrypt";
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this.module = "Ciphers";
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this.description = "DES is a previously dominant algorithm for encryption, and was published as an official U.S. Federal Information Processing Standard (FIPS). It is now considered to be insecure due to its small key size.<br><br><b>Key:</b> DES uses a key length of 8 bytes (64 bits).<br>Triple DES uses a key length of 24 bytes (192 bits).<br><br>You can generate a password-based key using one of the KDF operations.<br><br><b>IV:</b> The Initialization Vector should be 8 bytes long. If not entered, it will default to 8 null bytes.<br><br><b>Padding:</b> In CBC and ECB mode, PKCS#7 padding will be used.";
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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": "Key",
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"type": "toggleString",
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"value": "",
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"toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
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},
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{
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"name": "IV",
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"type": "toggleString",
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"value": "",
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"toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
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},
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{
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"name": "Mode",
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"type": "option",
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"value": ["CBC", "CFB", "OFB", "CTR", "ECB"]
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},
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{
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"name": "Input",
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"type": "option",
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"value": ["Raw", "Hex"]
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},
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{
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"name": "Output",
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"type": "option",
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"value": ["Hex", "Raw"]
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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 key = Utils.convertToByteString(args[0].string, args[0].option),
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iv = Utils.convertToByteArray(args[1].string, args[1].option),
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mode = args[2],
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inputType = args[3],
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outputType = args[4];
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if (key.length !== 8) {
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return `Invalid key length: ${key.length} bytes
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DES uses a key length of 8 bytes (64 bits).
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Triple DES uses a key length of 24 bytes (192 bits).`;
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}
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input = Utils.convertToByteString(input, inputType);
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const cipher = forge.cipher.createCipher("DES-" + mode, key);
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cipher.start({iv: iv});
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cipher.update(forge.util.createBuffer(input));
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cipher.finish();
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return outputType === "Hex" ? cipher.output.toHex() : cipher.output.getBytes();
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}
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}
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export default DESEncrypt;
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@ -0,0 +1,93 @@
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/**
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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 Operation from "../Operation";
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import Utils from "../Utils";
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import forge from "node-forge/dist/forge.min.js";
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/**
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* Triple DES Decrypt operation
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*/
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class TripleDESDecrypt extends Operation {
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/**
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* TripleDESDecrypt constructor
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*/
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constructor() {
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super();
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this.name = "Triple DES Decrypt";
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this.module = "Ciphers";
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this.description = "Triple DES applies DES three times to each block to increase key size.<br><br><b>Key:</b> Triple DES uses a key length of 24 bytes (192 bits).<br>DES uses a key length of 8 bytes (64 bits).<br><br><b>IV:</b> The Initialization Vector should be 8 bytes long. If not entered, it will default to 8 null bytes.<br><br><b>Padding:</b> In CBC and ECB mode, PKCS#7 padding will be used.";
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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": "Key",
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"type": "toggleString",
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"value": "",
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"toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
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},
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{
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"name": "IV",
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"type": "toggleString",
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"value": "",
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"toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
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},
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{
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"name": "Mode",
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"type": "option",
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"value": ["CBC", "CFB", "OFB", "CTR", "ECB"]
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},
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{
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"name": "Input",
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"type": "option",
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"value": ["Hex", "Raw"]
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},
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{
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"name": "Output",
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"type": "option",
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"value": ["Raw", "Hex"]
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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 key = Utils.convertToByteString(args[0].string, args[0].option),
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iv = Utils.convertToByteArray(args[1].string, args[1].option),
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mode = args[2],
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inputType = args[3],
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outputType = args[4];
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if (key.length !== 24) {
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return `Invalid key length: ${key.length} bytes
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Triple DES uses a key length of 24 bytes (192 bits).
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DES uses a key length of 8 bytes (64 bits).`;
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}
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input = Utils.convertToByteString(input, inputType);
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const decipher = forge.cipher.createDecipher("3DES-" + mode, key);
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decipher.start({iv: iv});
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decipher.update(forge.util.createBuffer(input));
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const result = decipher.finish();
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if (result) {
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return outputType === "Hex" ? decipher.output.toHex() : decipher.output.getBytes();
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} else {
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return "Unable to decrypt input with these parameters.";
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}
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}
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}
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export default TripleDESDecrypt;
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@ -0,0 +1,89 @@
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/**
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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 Operation from "../Operation";
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import Utils from "../Utils";
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import forge from "node-forge/dist/forge.min.js";
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/**
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* Triple DES Encrypt operation
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*/
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class TripleDESEncrypt extends Operation {
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/**
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* TripleDESEncrypt constructor
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*/
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constructor() {
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super();
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this.name = "Triple DES Encrypt";
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this.module = "Ciphers";
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this.description = "Triple DES applies DES three times to each block to increase key size.<br><br><b>Key:</b> Triple DES uses a key length of 24 bytes (192 bits).<br>DES uses a key length of 8 bytes (64 bits).<br><br>You can generate a password-based key using one of the KDF operations.<br><br><b>IV:</b> The Initialization Vector should be 8 bytes long. If not entered, it will default to 8 null bytes.<br><br><b>Padding:</b> In CBC and ECB mode, PKCS#7 padding will be used.";
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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": "Key",
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"type": "toggleString",
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"value": "",
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"toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
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},
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{
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"name": "IV",
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"type": "toggleString",
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"value": "",
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"toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
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},
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{
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"name": "Mode",
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"type": "option",
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"value": ["CBC", "CFB", "OFB", "CTR", "ECB"]
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},
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{
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"name": "Input",
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"type": "option",
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"value": ["Raw", "Hex"]
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},
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{
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"name": "Output",
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"type": "option",
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"value": ["Hex", "Raw"]
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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 key = Utils.convertToByteString(args[0].string, args[0].option),
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iv = Utils.convertToByteArray(args[1].string, args[1].option),
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mode = args[2],
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inputType = args[3],
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outputType = args[4];
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if (key.length !== 24) {
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return `Invalid key length: ${key.length} bytes
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Triple DES uses a key length of 24 bytes (192 bits).
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DES uses a key length of 8 bytes (64 bits).`;
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}
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input = Utils.convertToByteString(input, inputType);
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const cipher = forge.cipher.createCipher("3DES-" + mode, key);
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cipher.start({iv: iv});
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cipher.update(forge.util.createBuffer(input));
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cipher.finish();
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return outputType === "Hex" ? cipher.output.toHex() : cipher.output.getBytes();
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}
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}
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export default TripleDESEncrypt;
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@ -1,9 +1,5 @@
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import Utils from "../Utils.js";
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import {toBase64} from "../lib/Base64";
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import {toHexFast} from "../lib/Hex";
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import CryptoJS from "crypto-js";
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import forge from "imports-loader?jQuery=>null!node-forge/dist/forge.min.js";
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import {blowfish as Blowfish} from "sladex-blowfish";
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import BigNumber from "bignumber.js";
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@ -38,240 +34,6 @@ const Cipher = {
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* @default
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*/
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IO_FORMAT4: ["Hex", "Raw"],
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/**
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* @constant
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* @default
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*/
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AES_MODES: ["CBC", "CFB", "OFB", "CTR", "GCM", "ECB"],
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/**
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* AES Encrypt operation.
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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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runAesEnc: function (input, args) {
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const key = Utils.convertToByteArray(args[0].string, args[0].option),
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iv = Utils.convertToByteArray(args[1].string, args[1].option),
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mode = args[2],
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inputType = args[3],
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outputType = args[4];
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if ([16, 24, 32].indexOf(key.length) < 0) {
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return `Invalid key length: ${key.length} bytes
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The following algorithms will be used based on the size of the key:
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16 bytes = AES-128
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24 bytes = AES-192
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32 bytes = AES-256`;
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}
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input = Utils.convertToByteString(input, inputType);
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const cipher = forge.cipher.createCipher("AES-" + mode, key);
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cipher.start({iv: iv});
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cipher.update(forge.util.createBuffer(input));
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cipher.finish();
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if (outputType === "Hex") {
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if (mode === "GCM") {
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return cipher.output.toHex() + "\n\n" +
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"Tag: " + cipher.mode.tag.toHex();
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}
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return cipher.output.toHex();
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} else {
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if (mode === "GCM") {
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return cipher.output.getBytes() + "\n\n" +
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"Tag: " + cipher.mode.tag.getBytes();
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}
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return cipher.output.getBytes();
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}
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},
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/**
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* AES Decrypt operation.
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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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runAesDec: function (input, args) {
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const key = Utils.convertToByteArray(args[0].string, args[0].option),
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iv = Utils.convertToByteArray(args[1].string, args[1].option),
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mode = args[2],
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inputType = args[3],
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outputType = args[4],
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gcmTag = Utils.convertToByteString(args[5].string, args[5].option);
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if ([16, 24, 32].indexOf(key.length) < 0) {
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return `Invalid key length: ${key.length} bytes
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The following algorithms will be used based on the size of the key:
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16 bytes = AES-128
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24 bytes = AES-192
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32 bytes = AES-256`;
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}
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input = Utils.convertToByteString(input, inputType);
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const decipher = forge.cipher.createDecipher("AES-" + mode, key);
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decipher.start({
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iv: iv,
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tag: gcmTag
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});
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decipher.update(forge.util.createBuffer(input));
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const result = decipher.finish();
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if (result) {
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return outputType === "Hex" ? decipher.output.toHex() : decipher.output.getBytes();
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} else {
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return "Unable to decrypt input with these parameters.";
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}
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},
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/**
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* @constant
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* @default
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*/
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DES_MODES: ["CBC", "CFB", "OFB", "CTR", "ECB"],
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/**
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* DES Encrypt operation.
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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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runDesEnc: function (input, args) {
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const key = Utils.convertToByteString(args[0].string, args[0].option),
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iv = Utils.convertToByteArray(args[1].string, args[1].option),
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mode = args[2],
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inputType = args[3],
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outputType = args[4];
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if (key.length !== 8) {
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return `Invalid key length: ${key.length} bytes
|
||||
|
||||
DES uses a key length of 8 bytes (64 bits).
|
||||
Triple DES uses a key length of 24 bytes (192 bits).`;
|
||||
}
|
||||
|
||||
input = Utils.convertToByteString(input, inputType);
|
||||
|
||||
const cipher = forge.cipher.createCipher("DES-" + mode, key);
|
||||
cipher.start({iv: iv});
|
||||
cipher.update(forge.util.createBuffer(input));
|
||||
cipher.finish();
|
||||
|
||||
return outputType === "Hex" ? cipher.output.toHex() : cipher.output.getBytes();
|
||||
},
|
||||
|
||||
|
||||
/**
|
||||
* DES Decrypt operation.
|
||||
*
|
||||
* @param {string} input
|
||||
* @param {Object[]} args
|
||||
* @returns {string}
|
||||
*/
|
||||
runDesDec: function (input, args) {
|
||||
const key = Utils.convertToByteString(args[0].string, args[0].option),
|
||||
iv = Utils.convertToByteArray(args[1].string, args[1].option),
|
||||
mode = args[2],
|
||||
inputType = args[3],
|
||||
outputType = args[4];
|
||||
|
||||
if (key.length !== 8) {
|
||||
return `Invalid key length: ${key.length} bytes
|
||||
|
||||
DES uses a key length of 8 bytes (64 bits).
|
||||
Triple DES uses a key length of 24 bytes (192 bits).`;
|
||||
}
|
||||
|
||||
input = Utils.convertToByteString(input, inputType);
|
||||
|
||||
const decipher = forge.cipher.createDecipher("DES-" + mode, key);
|
||||
decipher.start({iv: iv});
|
||||
decipher.update(forge.util.createBuffer(input));
|
||||
const result = decipher.finish();
|
||||
|
||||
if (result) {
|
||||
return outputType === "Hex" ? decipher.output.toHex() : decipher.output.getBytes();
|
||||
} else {
|
||||
return "Unable to decrypt input with these parameters.";
|
||||
}
|
||||
},
|
||||
|
||||
|
||||
/**
|
||||
* Triple DES Encrypt operation.
|
||||
*
|
||||
* @param {string} input
|
||||
* @param {Object[]} args
|
||||
* @returns {string}
|
||||
*/
|
||||
runTripleDesEnc: function (input, args) {
|
||||
const key = Utils.convertToByteString(args[0].string, args[0].option),
|
||||
iv = Utils.convertToByteArray(args[1].string, args[1].option),
|
||||
mode = args[2],
|
||||
inputType = args[3],
|
||||
outputType = args[4];
|
||||
|
||||
if (key.length !== 24) {
|
||||
return `Invalid key length: ${key.length} bytes
|
||||
|
||||
Triple DES uses a key length of 24 bytes (192 bits).
|
||||
DES uses a key length of 8 bytes (64 bits).`;
|
||||
}
|
||||
|
||||
input = Utils.convertToByteString(input, inputType);
|
||||
|
||||
const cipher = forge.cipher.createCipher("3DES-" + mode, key);
|
||||
cipher.start({iv: iv});
|
||||
cipher.update(forge.util.createBuffer(input));
|
||||
cipher.finish();
|
||||
|
||||
return outputType === "Hex" ? cipher.output.toHex() : cipher.output.getBytes();
|
||||
},
|
||||
|
||||
|
||||
/**
|
||||
* Triple DES Decrypt operation.
|
||||
*
|
||||
* @param {string} input
|
||||
* @param {Object[]} args
|
||||
* @returns {string}
|
||||
*/
|
||||
runTripleDesDec: function (input, args) {
|
||||
const key = Utils.convertToByteString(args[0].string, args[0].option),
|
||||
iv = Utils.convertToByteArray(args[1].string, args[1].option),
|
||||
mode = args[2],
|
||||
inputType = args[3],
|
||||
outputType = args[4];
|
||||
|
||||
if (key.length !== 24) {
|
||||
return `Invalid key length: ${key.length} bytes
|
||||
|
||||
Triple DES uses a key length of 24 bytes (192 bits).
|
||||
DES uses a key length of 8 bytes (64 bits).`;
|
||||
}
|
||||
|
||||
input = Utils.convertToByteString(input, inputType);
|
||||
|
||||
const decipher = forge.cipher.createDecipher("3DES-" + mode, key);
|
||||
decipher.start({iv: iv});
|
||||
decipher.update(forge.util.createBuffer(input));
|
||||
const result = decipher.finish();
|
||||
|
||||
if (result) {
|
||||
return outputType === "Hex" ? decipher.output.toHex() : decipher.output.getBytes();
|
||||
} else {
|
||||
return "Unable to decrypt input with these parameters.";
|
||||
}
|
||||
},
|
||||
|
||||
|
||||
/**
|
||||
|
|
@ -322,92 +84,6 @@ DES uses a key length of 8 bytes (64 bits).`;
|
|||
},
|
||||
|
||||
|
||||
/**
|
||||
* @constant
|
||||
* @default
|
||||
*/
|
||||
BLOWFISH_MODES: ["CBC", "PCBC", "CFB", "OFB", "CTR", "ECB"],
|
||||
/**
|
||||
* @constant
|
||||
* @default
|
||||
*/
|
||||
BLOWFISH_OUTPUT_TYPES: ["Hex", "Base64", "Raw"],
|
||||
|
||||
/**
|
||||
* Lookup table for Blowfish output types.
|
||||
*
|
||||
* @private
|
||||
*/
|
||||
_BLOWFISH_OUTPUT_TYPE_LOOKUP: {
|
||||
Base64: 0, Hex: 1, String: 2, Raw: 3
|
||||
},
|
||||
/**
|
||||
* Lookup table for Blowfish modes.
|
||||
*
|
||||
* @private
|
||||
*/
|
||||
_BLOWFISH_MODE_LOOKUP: {
|
||||
ECB: 0, CBC: 1, PCBC: 2, CFB: 3, OFB: 4, CTR: 5
|
||||
},
|
||||
|
||||
/**
|
||||
* Blowfish Encrypt operation.
|
||||
*
|
||||
* @param {string} input
|
||||
* @param {Object[]} args
|
||||
* @returns {string}
|
||||
*/
|
||||
runBlowfishEnc: function (input, args) {
|
||||
const key = Utils.convertToByteString(args[0].string, args[0].option),
|
||||
iv = Utils.convertToByteArray(args[1].string, args[1].option),
|
||||
mode = args[2],
|
||||
inputType = args[3],
|
||||
outputType = args[4];
|
||||
|
||||
if (key.length === 0) return "Enter a key";
|
||||
|
||||
input = Utils.convertToByteString(input, inputType);
|
||||
|
||||
Blowfish.setIV(toBase64(iv), 0);
|
||||
|
||||
const enc = Blowfish.encrypt(input, key, {
|
||||
outputType: Cipher._BLOWFISH_OUTPUT_TYPE_LOOKUP[outputType],
|
||||
cipherMode: Cipher._BLOWFISH_MODE_LOOKUP[mode]
|
||||
});
|
||||
|
||||
return outputType === "Raw" ? Utils.byteArrayToChars(enc) : enc ;
|
||||
},
|
||||
|
||||
|
||||
/**
|
||||
* Blowfish Decrypt operation.
|
||||
*
|
||||
* @param {string} input
|
||||
* @param {Object[]} args
|
||||
* @returns {string}
|
||||
*/
|
||||
runBlowfishDec: function (input, args) {
|
||||
const key = Utils.convertToByteString(args[0].string, args[0].option),
|
||||
iv = Utils.convertToByteArray(args[1].string, args[1].option),
|
||||
mode = args[2],
|
||||
inputType = args[3],
|
||||
outputType = args[4];
|
||||
|
||||
if (key.length === 0) return "Enter a key";
|
||||
|
||||
input = inputType === "Raw" ? Utils.strToByteArray(input) : input;
|
||||
|
||||
Blowfish.setIV(toBase64(iv), 0);
|
||||
|
||||
const result = Blowfish.decrypt(input, key, {
|
||||
outputType: Cipher._BLOWFISH_OUTPUT_TYPE_LOOKUP[inputType], // This actually means inputType. The library is weird.
|
||||
cipherMode: Cipher._BLOWFISH_MODE_LOOKUP[mode]
|
||||
});
|
||||
|
||||
return outputType === "Hex" ? toHexFast(Utils.strToByteArray(result)) : result;
|
||||
},
|
||||
|
||||
|
||||
/**
|
||||
* @constant
|
||||
* @default
|
||||
|
|
|
|||
Loading…
Reference in New Issue