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Added SHA3, Keccak and Shake hashing algorithms

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This commit is contained in:
n1474335 2017-09-12 15:31:51 +00:00
parent 6e875393d9
commit 73561993a7
5 changed files with 144 additions and 9 deletions
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109
src/core/operations/Hash.js
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@ -2,6 +2,7 @@ import Utils from "../Utils.js";
import CryptoJS from "crypto-js";
import CryptoApi from "crypto-api";
import MD6 from "node-md6";
import * as SHA3 from "js-sha3";
import Checksum from "./Checksum.js";
@ -114,7 +115,7 @@ const Hash = {
* @constant
* @default
*/
SHA2_SIZE: ["256", "512", "224", "384"],
SHA2_SIZE: ["512", "256", "384", "224"],
/**
* SHA2 operation.
@ -163,12 +164,106 @@ const Hash = {
* @returns {string}
*/
runSHA3: function (input, args) {
input = CryptoJS.enc.Latin1.parse(input);
let sha3Length = args[0],
options = {
outputLength: parseInt(sha3Length, 10)
};
return CryptoJS.SHA3(input, options).toString(CryptoJS.enc.Hex);
const size = parseInt(args[0], 10);
let algo;
switch (size) {
case 224:
algo = SHA3.sha3_224;
break;
case 384:
algo = SHA3.sha3_384;
break;
case 256:
algo = SHA3.sha3_256;
break;
case 512:
algo = SHA3.sha3_512;
break;
default:
return "Invalid size";
}
return algo(input);
},
/**
* @constant
* @default
*/
KECCAK_SIZE: ["512", "384", "256", "224"],
/**
* Keccak operation.
*
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
runKeccak: function (input, args) {
const size = parseInt(args[0], 10);
let algo;
switch (size) {
case 224:
algo = SHA3.keccak224;
break;
case 384:
algo = SHA3.keccak384;
break;
case 256:
algo = SHA3.keccak256;
break;
case 512:
algo = SHA3.keccak512;
break;
default:
return "Invalid size";
}
return algo(input);
},
/**
* @constant
* @default
*/
SHAKE_CAPACITY: ["256", "128"],
/**
* @constant
* @default
*/
SHAKE_SIZE: 512,
/**
* Shake operation.
*
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
runShake: function (input, args) {
const capacity = parseInt(args[0], 10),
size = args[1];
let algo;
if (size < 0)
return "Size must be greater than 0";
switch (capacity) {
case 128:
algo = SHA3.shake128;
break;
case 256:
algo = SHA3.shake256;
break;
default:
return "Invalid size";
}
return algo(input, size);
},