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Converted PBKDF2 and RC2, enabled tests, deleted legacy Cipher file

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Also made DESDecrypt test pass
This commit is contained in:
Matt C 2018-05-23 18:31:26 +01:00
parent 46b8b2fa7e
commit 9ffab374db
6 changed files with 232 additions and 176 deletions
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175
src/core/operations/legacy/Cipher.js
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@ -1,175 +0,0 @@
import Utils from "../Utils.js";
import forge from "imports-loader?jQuery=>null!node-forge/dist/forge.min.js";
import BigNumber from "bignumber.js";
/**
* Cipher operations.
*
* @author n1474335 [n1474335@gmail.com]
* @copyright Crown Copyright 2016
* @license Apache-2.0
*
* @namespace
*/
const Cipher = {
/**
* @constant
* @default
*/
IO_FORMAT1: ["Hex", "UTF8", "Latin1", "Base64"],
/**
* @constant
* @default
*/
IO_FORMAT2: ["UTF8", "Latin1", "Hex", "Base64"],
/**
* @constant
* @default
*/
IO_FORMAT3: ["Raw", "Hex"],
/**
* @constant
* @default
*/
IO_FORMAT4: ["Hex", "Raw"],
/**
* RC2 Encrypt operation.
*
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
runRc2Enc: function (input, args) {
const key = Utils.convertToByteString(args[0].string, args[0].option),
iv = Utils.convertToByteString(args[1].string, args[1].option),
inputType = args[2],
outputType = args[3],
cipher = forge.rc2.createEncryptionCipher(key);
input = Utils.convertToByteString(input, inputType);
cipher.start(iv || null);
cipher.update(forge.util.createBuffer(input));
cipher.finish();
return outputType === "Hex" ? cipher.output.toHex() : cipher.output.getBytes();
},
/**
* RC2 Decrypt operation.
*
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
runRc2Dec: function (input, args) {
const key = Utils.convertToByteString(args[0].string, args[0].option),
iv = Utils.convertToByteString(args[1].string, args[1].option),
inputType = args[2],
outputType = args[3],
decipher = forge.rc2.createDecryptionCipher(key);
input = Utils.convertToByteString(input, inputType);
decipher.start(iv || null);
decipher.update(forge.util.createBuffer(input));
decipher.finish();
return outputType === "Hex" ? decipher.output.toHex() : decipher.output.getBytes();
},
/**
* @constant
* @default
*/
KDF_KEY_SIZE: 128,
/**
* @constant
* @default
*/
KDF_ITERATIONS: 1,
/**
* @constant
* @default
*/
HASHERS: ["SHA1", "SHA256", "SHA384", "SHA512", "MD5"],
/**
* Derive PBKDF2 key operation.
*
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
runPbkdf2: function (input, args) {
const passphrase = Utils.convertToByteString(args[0].string, args[0].option),
keySize = args[1],
iterations = args[2],
hasher = args[3],
salt = Utils.convertToByteString(args[4].string, args[4].option) ||
forge.random.getBytesSync(keySize),
derivedKey = forge.pkcs5.pbkdf2(passphrase, salt, iterations, keySize / 8, hasher.toLowerCase());
return forge.util.bytesToHex(derivedKey);
},
/**
* @constant
* @default
*/
PRNG_BYTES: 32,
/**
* @constant
* @default
*/
PRNG_OUTPUT: ["Hex", "Integer", "Byte array", "Raw"],
/**
* Pseudo-Random Number Generator operation.
*
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
runPRNG: function(input, args) {
const numBytes = args[0],
outputAs = args[1];
let bytes;
if (ENVIRONMENT_IS_WORKER() && self.crypto) {
bytes = self.crypto.getRandomValues(new Uint8Array(numBytes));
bytes = Utils.arrayBufferToStr(bytes.buffer);
} else {
bytes = forge.random.getBytesSync(numBytes);
}
let value = new BigNumber(0),
i;
switch (outputAs) {
case "Hex":
return forge.util.bytesToHex(bytes);
case "Integer":
for (i = bytes.length - 1; i >= 0; i--) {
value = value.times(256).plus(bytes.charCodeAt(i));
}
return value.toFixed();
case "Byte array":
return JSON.stringify(Utils.strToCharcode(bytes));
case "Raw":
default:
return bytes;
}
},
};
export default Cipher;