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Ported blowfish operations and library to ESM modules

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This commit is contained in:
Matt C 2018-05-23 16:54:12 +01:00
parent c29ea53405
commit 189e077247
5 changed files with 2885 additions and 2040 deletions
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101
src/core/operations/BlowfishDecrypt.mjs Normal file
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/**
* @author n1474335 [n1474335@gmail.com]
* @copyright Crown Copyright 2016
* @license Apache-2.0
*/
import Operation from "../Operation";
import Utils from "../Utils";
import { Blowfish } from "../vendor/Blowfish";
import { toBase64 } from "../lib/Base64";
import { toHexFast } from "../lib/Hex";
/**
* Lookup table for Blowfish output types.
*/
const BLOWFISH_OUTPUT_TYPE_LOOKUP = {
Base64: 0, Hex: 1, String: 2, Raw: 3
};
/**
* Lookup table for Blowfish modes.
*/
const BLOWFISH_MODE_LOOKUP = {
ECB: 0, CBC: 1, PCBC: 2, CFB: 3, OFB: 4, CTR: 5
};
/**
* Blowfish Decrypt operation
*/
class BlowfishDecrypt extends Operation {
/**
* BlowfishDecrypt constructor
*/
constructor() {
super();
this.name = "Blowfish Decrypt";
this.module = "Ciphers";
this.description = "Blowfish is a symmetric-key block cipher designed in 1993 by Bruce Schneier and included in a large number of cipher suites and encryption products. AES now receives more attention.<br><br><b>IV:</b> The Initialization Vector should be 8 bytes long. If not entered, it will default to 8 null bytes.";
this.inputType = "string";
this.outputType = "string";
this.args = [
{
"name": "Key",
"type": "toggleString",
"value": "",
"toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
},
{
"name": "IV",
"type": "toggleString",
"value": "",
"toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
},
{
"name": "Mode",
"type": "option",
"value": ["CBC", "PCBC", "CFB", "OFB", "CTR", "ECB"]
},
{
"name": "Input",
"type": "option",
"value": ["Hex", "Base64", "Raw"]
},
{
"name": "Output",
"type": "option",
"value": ["Raw", "Hex"]
}
];
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
run(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: BLOWFISH_OUTPUT_TYPE_LOOKUP[inputType], // This actually means inputType. The library is weird.
cipherMode: BLOWFISH_MODE_LOOKUP[mode]
});
return outputType === "Hex" ? toHexFast(Utils.strToByteArray(result)) : result;
}
}
export default BlowfishDecrypt;

98
src/core/operations/BlowfishEncrypt.mjs Normal file
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/**
* @author n1474335 [n1474335@gmail.com]
* @copyright Crown Copyright 2016
* @license Apache-2.0
*/
import Operation from "../Operation";
import Utils from "../Utils";
import { Blowfish } from "../vendor/Blowfish";
import { toBase64 } from "../lib/Base64";
const BLOWFISH_OUTPUT_TYPE_LOOKUP = {
Base64: 0, Hex: 1, String: 2, Raw: 3
};
/**
* Lookup table for Blowfish modes.
*/
const BLOWFISH_MODE_LOOKUP = {
ECB: 0, CBC: 1, PCBC: 2, CFB: 3, OFB: 4, CTR: 5
};
/**
* Blowfish Encrypt operation
*/
class BlowfishEncrypt extends Operation {
/**
* BlowfishEncrypt constructor
*/
constructor() {
super();
this.name = "Blowfish Encrypt";
this.module = "Ciphers";
this.description = "Blowfish is a symmetric-key block cipher designed in 1993 by Bruce Schneier and included in a large number of cipher suites and encryption products. AES now receives more attention.<br><br><b>IV:</b> The Initialization Vector should be 8 bytes long. If not entered, it will default to 8 null bytes.";
this.inputType = "string";
this.outputType = "string";
this.args = [
{
"name": "Key",
"type": "toggleString",
"value": "",
"toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
},
{
"name": "IV",
"type": "toggleString",
"value": "",
"toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
},
{
"name": "Mode",
"type": "option",
"value": ["CBC", "PCBC", "CFB", "OFB", "CTR", "ECB"]
},
{
"name": "Input",
"type": "option",
"value": ["Raw", "Hex"]
},
{
"name": "Output",
"type": "option",
"value": ["Hex", "Base64", "Raw"]
}
];
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
run(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: BLOWFISH_OUTPUT_TYPE_LOOKUP[outputType],
cipherMode: BLOWFISH_MODE_LOOKUP[mode]
});
return outputType === "Raw" ? Utils.byteArrayToChars(enc) : enc ;
}
}
export default BlowfishEncrypt;