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# Change Log
## v0.8.0 / 2018-08-05
### Added
- TypeScript definitions.
### Changed
- throw error if update after finalize
## v0.7.0 / 2017-12-01
### Added
- AMD support.
- support for web worker. #13
### Changed
- throw error if input type is incorrect when cSHAKE and KMAC.
- freeze hash after finalize.
## v0.6.1 / 2017-07-03
### Fixed
- Typo on variable kmac_256 type definition. #12
## v0.6.0 / 2017-06-15
### Added
- cSHAKE method.
- KMAC method.
- alias methods without underscore like shake128, keccak512.
### Changed
- throw error if input type is incorrect.
## v0.5.7 / 2016-12-30
### Fixed
- ArrayBuffer detection in old browsers.
## v0.5.6 / 2016-12-29
### Fixed
- ArrayBuffer dosen't work in Webpack.
## v0.5.5 / 2016-09-26
### Added
- TypeScript support.
- ArrayBuffer method.
### Deprecated
- Buffer method.
## v0.5.4 / 2016-09-12
### Fixed
- CommonJS detection.
## v0.5.3 / 2016-09-08
### Added
- Some missing files to npm package.
## v0.5.2 / 2016-06-06
### Fixed
- Shake output incorrect in the special length.
## v0.5.1 / 2015-10-27
### Fixed
- Version in package.json and bower.json.
## v0.5.0 / 2015-09-23
### Added
- Hash object with create/update interface.
## v0.4.1 / 2015-09-18
### Added
- Integer array output.
### Fixed
- Shake output incorrect when it's greater than 1088.
## v0.4.0 / 2015-09-17
### Added
- ArrayBuffer output.
- Shake alogirthms.
## v0.3.1 / 2015-05-22
### Fixed
- Some bugs.
## v0.3.0 / 2015-05-21
### Added
- Integer array input.
- ArrayBuffer input.
## v0.2.0 / 2015-04-04
### Added
- NIST's May 2014 SHA-3 version.
### Changed
- Rename original methods to keccak.
## v0.1.2 / 2015-02-27
### Changed
- Improve performance.
## v0.1.1 / 2015-02-26
### Changed
- Improve performance.
## v0.1.0 / 2015-02-23
### Added
- First version implementation.

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Copyright 2015-2018 Chen, Yi-Cyuan
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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# js-sha3
[![Build Status](https://travis-ci.org/emn178/js-sha3.svg?branch=master)](https://travis-ci.org/emn178/js-sha3)
[![Coverage Status](https://coveralls.io/repos/emn178/js-sha3/badge.svg?branch=master)](https://coveralls.io/r/emn178/js-sha3?branch=master)
[![NPM](https://nodei.co/npm/js-sha3.png?stars&downloads)](https://nodei.co/npm/js-sha3/)
A simple SHA-3 / Keccak / Shake hash function for JavaScript supports UTF-8 encoding.
## Notice
* v0.8.0+ will throw an error if try to update hash after finalize.
* Sha3 methods has been renamed to keccak since v0.2.0. It means that sha3 methods of v0.1.x are equal to keccak methods of v0.2.x and later.
* `buffer` method is deprecated. This maybe confuse with Buffer in node.js. Please use `arrayBuffer` instead.
## Demo
[SHA3-512 Online](http://emn178.github.io/online-tools/sha3_512.html)
[SHA3-384 Online](http://emn178.github.io/online-tools/sha3_384.html)
[SHA3-256 Online](http://emn178.github.io/online-tools/sha3_256.html)
[SHA3-224 Online](http://emn178.github.io/online-tools/sha3_224.html)
[Keccak-512 Online](http://emn178.github.io/online-tools/keccak_512.html)
[Keccak-384 Online](http://emn178.github.io/online-tools/keccak_384.html)
[Keccak-256 Online](http://emn178.github.io/online-tools/keccak_256.html)
[Keccak-224 Online](http://emn178.github.io/online-tools/keccak_224.html)
[Shake128 Online](http://emn178.github.io/online-tools/shake_128.html)
[Shake256 Online](http://emn178.github.io/online-tools/shake_256.html)
## Download
[Compress](https://raw.github.com/emn178/js-sha3/master/build/sha3.min.js)
[Uncompress](https://raw.github.com/emn178/js-sha3/master/src/sha3.js)
## Installation
You can also install js-sha3 by using Bower.
bower install js-sha3
For node.js, you can use this command to install:
npm install js-sha3
## Usage
You could use like this:
```JavaScript
sha3_512('Message to hash');
sha3_384('Message to hash');
sha3_256('Message to hash');
sha3_224('Message to hash');
keccak512('Message to hash');
keccak384('Message to hash');
keccak256('Message to hash');
keccak224('Message to hash');
shake128('Message to hash', 256);
shake256('Message to hash', 512);
cshake128('Message to hash', 256, 'function name', 'customization');
cshake256('Message to hash', 512, 'function name', 'customization');
kmac128('key', 'Message to hash', 256, 'customization');
kmac256('key', 'Message to hash', 512, 'customization');
// Support ArrayBuffer output
var arrayBuffer = keccak224.arrayBuffer('Message to hash');
// Support Array output
var bytes = keccak224.digest('Message to hash');
var bytes = keccak224.array('Message to hash');
// update hash
sha3_512.update('Message ').update('to ').update('hash').hex();
// specify shake output bits at first update
shake128.update('Message ', 256).update('to ').update('hash').hex();
// or to use create
var hash = sha3_512.create();
hash.update('...');
hash.update('...');
hash.hex();
// specify shake output bits when creating
var hash = shake128.create(256);
hash.update('...');
hash.update('...');
hash.hex();
// specify cshake output bits, function name and customization when creating
var hash = cshake128.create(256, 'function name', 'customization');
// specify kmac key, output bits and customization when creating
var hash = kmac128.create('key', 256, 'customization');
```
If you use node.js, you should require the module first:
```JavaScript
sha3_512 = require('js-sha3').sha3_512;
sha3_384 = require('js-sha3').sha3_384;
sha3_256 = require('js-sha3').sha3_256;
sha3_224 = require('js-sha3').sha3_224;
keccak512 = require('js-sha3').keccak512;
keccak384 = require('js-sha3').keccak384;
keccak256 = require('js-sha3').keccak256;
keccak224 = require('js-sha3').keccak224;
shake128 = require('js-sha3').shake128;
shake256 = require('js-sha3').shake256;
cshake128 = require('js-sha3').cshake128;
cshake256 = require('js-sha3').cshake256;
kmac128 = require('js-sha3').kmac128;
kmac256 = require('js-sha3').kmac256;
```
If you use TypeScript, you can import like this:
```TypeScript
import { sha3_512 } from 'js-sha3';
```
## Example
Code
```JavaScript
sha3_512('');
// a69f73cca23a9ac5c8b567dc185a756e97c982164fe25859e0d1dcc1475c80a615b2123af1f5f94c11e3e9402c3ac558f500199d95b6d3e301758586281dcd26
sha3_512('The quick brown fox jumps over the lazy dog');
// 01dedd5de4ef14642445ba5f5b97c15e47b9ad931326e4b0727cd94cefc44fff23f07bf543139939b49128caf436dc1bdee54fcb24023a08d9403f9b4bf0d450
sha3_512('The quick brown fox jumps over the lazy dog.');
// 18f4f4bd419603f95538837003d9d254c26c23765565162247483f65c50303597bc9ce4d289f21d1c2f1f458828e33dc442100331b35e7eb031b5d38ba6460f8
sha3_384('');
// 0c63a75b845e4f7d01107d852e4c2485c51a50aaaa94fc61995e71bbee983a2ac3713831264adb47fb6bd1e058d5f004
sha3_384('The quick brown fox jumps over the lazy dog');
// 7063465e08a93bce31cd89d2e3ca8f602498696e253592ed26f07bf7e703cf328581e1471a7ba7ab119b1a9ebdf8be41
sha3_384('The quick brown fox jumps over the lazy dog.');
// 1a34d81695b622df178bc74df7124fe12fac0f64ba5250b78b99c1273d4b080168e10652894ecad5f1f4d5b965437fb9
sha3_256('');
// a7ffc6f8bf1ed76651c14756a061d662f580ff4de43b49fa82d80a4b80f8434a
sha3_256('The quick brown fox jumps over the lazy dog');
// 69070dda01975c8c120c3aada1b282394e7f032fa9cf32f4cb2259a0897dfc04
sha3_256('The quick brown fox jumps over the lazy dog.');
// a80f839cd4f83f6c3dafc87feae470045e4eb0d366397d5c6ce34ba1739f734d
sha3_224('');
// 6b4e03423667dbb73b6e15454f0eb1abd4597f9a1b078e3f5b5a6bc7
sha3_224('The quick brown fox jumps over the lazy dog');
// d15dadceaa4d5d7bb3b48f446421d542e08ad8887305e28d58335795
sha3_224('The quick brown fox jumps over the lazy dog.');
// 2d0708903833afabdd232a20201176e8b58c5be8a6fe74265ac54db0
keccak512('');
// 0eab42de4c3ceb9235fc91acffe746b29c29a8c366b7c60e4e67c466f36a4304c00fa9caf9d87976ba469bcbe06713b435f091ef2769fb160cdab33d3670680e
keccak512('The quick brown fox jumps over the lazy dog');
// d135bb84d0439dbac432247ee573a23ea7d3c9deb2a968eb31d47c4fb45f1ef4422d6c531b5b9bd6f449ebcc449ea94d0a8f05f62130fda612da53c79659f609
keccak512('The quick brown fox jumps over the lazy dog.');
// ab7192d2b11f51c7dd744e7b3441febf397ca07bf812cceae122ca4ded6387889064f8db9230f173f6d1ab6e24b6e50f065b039f799f5592360a6558eb52d760
keccak384('');
// 2c23146a63a29acf99e73b88f8c24eaa7dc60aa771780ccc006afbfa8fe2479b2dd2b21362337441ac12b515911957ff
keccak384('The quick brown fox jumps over the lazy dog');
// 283990fa9d5fb731d786c5bbee94ea4db4910f18c62c03d173fc0a5e494422e8a0b3da7574dae7fa0baf005e504063b3
keccak384('The quick brown fox jumps over the lazy dog.');
// 9ad8e17325408eddb6edee6147f13856ad819bb7532668b605a24a2d958f88bd5c169e56dc4b2f89ffd325f6006d820b
keccak256('');
// c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470
keccak256('The quick brown fox jumps over the lazy dog');
// 4d741b6f1eb29cb2a9b9911c82f56fa8d73b04959d3d9d222895df6c0b28aa15
keccak256('The quick brown fox jumps over the lazy dog.');
// 578951e24efd62a3d63a86f7cd19aaa53c898fe287d2552133220370240b572d
keccak224('');
// f71837502ba8e10837bdd8d365adb85591895602fc552b48b7390abd
keccak224('The quick brown fox jumps over the lazy dog');
// 310aee6b30c47350576ac2873fa89fd190cdc488442f3ef654cf23fe
keccak224('The quick brown fox jumps over the lazy dog.');
// c59d4eaeac728671c635ff645014e2afa935bebffdb5fbd207ffdeab
shake128('', 256);
// 7f9c2ba4e88f827d616045507605853ed73b8093f6efbc88eb1a6eacfa66ef26
shake256('', 512);
// 46b9dd2b0ba88d13233b3feb743eeb243fcd52ea62b81b82b50c27646ed5762fd75dc4ddd8c0f200cb05019d67b592f6fc821c49479ab48640292eacb3b7c4be
```
It also supports UTF-8 encoding:
Code
```JavaScript
sha3_512('中文');
// 059bbe2efc50cc30e4d8ec5a96be697e2108fcbf9193e1296192eddabc13b143c0120d059399a13d0d42651efe23a6c1ce2d1efb576c5b207fa2516050505af7
sha3_384('中文');
// 9fb5b99e3c546f2738dcd50a14e9aef9c313800c1bf8cf76bc9b2c3a23307841364c5a2d0794702662c5796fb72f5432
sha3_256('中文');
// ac5305da3d18be1aed44aa7c70ea548da243a59a5fd546f489348fd5718fb1a0
sha3_224('中文');
// 106d169e10b61c2a2a05554d3e631ec94467f8316640f29545d163ee
keccak512('中文');
// 2f6a1bd50562230229af34b0ccf46b8754b89d23ae2c5bf7840b4acfcef86f87395edc0a00b2bfef53bafebe3b79de2e3e01cbd8169ddbb08bde888dcc893524
keccak384('中文');
// 743f64bb7544c6ed923be4741b738dde18b7cee384a3a09c4e01acaaac9f19222cdee137702bd3aa05dc198373d87d6c
keccak256('中文');
// 70a2b6579047f0a977fcb5e9120a4e07067bea9abb6916fbc2d13ffb9a4e4eee
keccak224('中文');
// f71837502ba8e10837bdd8d365adb85591895602fc552b48b7390abd
```
It also supports byte `Array`, `Uint8Array`, `ArrayBuffer` input:
Code
```JavaScript
sha3_512([]);
// a69f73cca23a9ac5c8b567dc185a756e97c982164fe25859e0d1dcc1475c80a615b2123af1f5f94c11e3e9402c3ac558f500199d95b6d3e301758586281dcd26
sha3_512(new Uint8Array([]));
// a69f73cca23a9ac5c8b567dc185a756e97c982164fe25859e0d1dcc1475c80a615b2123af1f5f94c11e3e9402c3ac558f500199d95b6d3e301758586281dcd26
// ...
```
## Benchmark
[UTF8](http://jsperf.com/sha3/5)
[ASCII](http://jsperf.com/sha3/4)
## License
The project is released under the [MIT license](http://www.opensource.org/licenses/MIT).
## Contact
The project's website is located at https://github.com/emn178/js-sha3
Author: Chen, Yi-Cyuan (emn178@gmail.com)

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type Message = string | number[] | ArrayBuffer | Uint8Array;
interface Hasher {
/**
* Update hash
*
* @param message The message you want to hash.
*/
update(message: Message): Hasher;
/**
* Return hash in hex string.
*/
hex(): string;
/**
* Return hash in hex string.
*/
toString(): string;
/**
* Return hash in ArrayBuffer.
*/
arrayBuffer(): ArrayBuffer;
/**
* Return hash in integer array.
*/
digest(): number[];
/**
* Return hash in integer array.
*/
array(): number[];
}
interface Hash {
/**
* Hash and return hex string.
*
* @param message The message you want to hash.
*/
(message: Message): string;
/**
* Hash and return hex string.
*
* @param message The message you want to hash.
*/
hex(message: Message): string;
/**
* Hash and return ArrayBuffer.
*
* @param message The message you want to hash.
*/
arrayBuffer(message: Message): ArrayBuffer;
/**
* Hash and return integer array.
*
* @param message The message you want to hash.
*/
digest(message: Message): number[];
/**
* Hash and return integer array.
*
* @param message The message you want to hash.
*/
array(message: Message): number[];
/**
* Create a hash object.
*/
create(): Hasher;
/**
* Create a hash object and hash message.
*
* @param message The message you want to hash.
*/
update(message: Message): Hasher;
}
interface ShakeHash {
/**
* Hash and return hex string.
*
* @param message The message you want to hash.
* @param outputBits The length of output.
*/
(message: Message, outputBits: number): string;
/**
* Hash and return hex string.
*
* @param message The message you want to hash.
* @param outputBits The length of output.
*/
hex(message: Message, outputBits: number): string;
/**
* Hash and return ArrayBuffer.
*
* @param message The message you want to hash.
* @param outputBits The length of output.
*/
arrayBuffer(message: Message, outputBits: number): ArrayBuffer;
/**
* Hash and return integer array.
*
* @param message The message you want to hash.
* @param outputBits The length of output.
*/
digest(message: Message, outputBits: number): number[];
/**
* Hash and return integer array.
*
* @param message The message you want to hash.
* @param outputBits The length of output.
*/
array(message: Message, outputBits: number): number[];
/**
* Create a hash object.
*
* @param outputBits The length of output.
* @param outputBits The length of output.
*/
create(outputBits: number): Hasher;
/**
* Create a hash object and hash message.
*
* @param message The message you want to hash.
* @param outputBits The length of output.
*/
update(message: Message, outputBits: number): Hasher;
}
interface CshakeHash {
/**
* Hash and return hex string.
*
* @param message The message you want to hash.
* @param outputBits The length of output.
* @param functionName The function name string.
* @param customization The customization string.
*/
(message: Message, outputBits: number, functionName: Message, customization: Message): string;
/**
* Hash and return hex string.
*
* @param message The message you want to hash.
* @param outputBits The length of output.
* @param functionName The function name string.
* @param customization The customization string.
*/
hex(message: Message, outputBits: number, functionName: Message, customization: Message): string;
/**
* Hash and return ArrayBuffer.
*
* @param message The message you want to hash.
* @param outputBits The length of output.
* @param functionName The function name string.
* @param customization The customization string.
*/
arrayBuffer(message: Message, outputBits: number, functionName: Message, customization: Message): ArrayBuffer;
/**
* Hash and return integer array.
*
* @param message The message you want to hash.
* @param outputBits The length of output.
* @param functionName The function name string.
* @param customization The customization string.
*/
digest(message: Message, outputBits: number, functionName: Message, customization: Message): number[];
/**
* Hash and return integer array.
*
* @param message The message you want to hash.
* @param outputBits The length of output.
* @param functionName The function name string.
* @param customization The customization string.
*/
array(message: Message, outputBits: number, functionName: Message, customization: Message): number[];
/**
* Create a hash object.
*
* @param outputBits The length of output.
* @param outputBits The length of output.
*/
create(outputBits: number): Hasher;
/**
* Create a hash object.
*
* @param outputBits The length of output.
* @param functionName The function name string.
* @param customization The customization string.
*/
create(outputBits: number, functionName: Message, customization: Message): Hasher;
/**
* Create a hash object and hash message.
*
* @param message The message you want to hash.
* @param outputBits The length of output.
* @param functionName The function name string.
* @param customization The customization string.
*/
update(message: Message, outputBits: number, functionName: Message, customization: Message): Hasher;
}
interface KmacHash {
/**
* Hash and return hex string.
*
* @param key The key string.
* @param message The message you want to hash.
* @param outputBits The length of output.
* @param customization The customization string.
*/
(key: Message, message: Message, outputBits: number, customization: Message): string;
/**
* Hash and return hex string.
*
* @param key The key string.
* @param message The message you want to hash.
* @param outputBits The length of output.
* @param customization The customization string.
*/
hex(key: Message, message: Message, outputBits: number, customization: Message): string;
/**
* Hash and return ArrayBuffer.
*
* @param key The key string.
* @param message The message you want to hash.
* @param outputBits The length of output.
* @param customization The customization string.
*/
arrayBuffer(key: Message, message: Message, outputBits: number, customization: Message): ArrayBuffer;
/**
* Hash and return integer array.
*
* @param key The key string.
* @param message The message you want to hash.
* @param outputBits The length of output.
* @param customization The customization string.
*/
digest(key: Message, message: Message, outputBits: number, customization: Message): number[];
/**
* Hash and return integer array.
*
* @param key The key string.
* @param message The message you want to hash.
* @param outputBits The length of output.
* @param customization The customization string.
*/
array(key: Message, message: Message, outputBits: number, customization: Message): number[];
/**
* Create a hash object.
*
* @param key The key string.
* @param outputBits The length of output.
* @param customization The customization string.
*/
create(key: Message, outputBits: number, customization: Message): Hasher;
/**
* Create a hash object and hash message.
*
* @param key The key string.
* @param message The message you want to hash.
* @param outputBits The length of output.
* @param customization The customization string.
*/
update(key: Message, message: Message, outputBits: number, customization: Message): Hasher;
}
export var sha3_512: Hash;
export var sha3_384: Hash;
export var sha3_256: Hash;
export var sha3_224: Hash;
export var keccak_512: Hash;
export var keccak_384: Hash;
export var keccak_256: Hash;
export var keccak_224: Hash;
export var keccak512: Hash;
export var keccak384: Hash;
export var keccak256: Hash;
export var keccak224: Hash;
export var shake_128: ShakeHash;
export var shake_256: ShakeHash;
export var shake128: ShakeHash;
export var shake256: ShakeHash;
export var cshake_128: CshakeHash;
export var cshake_256: CshakeHash;
export var cshake128: CshakeHash;
export var cshake256: CshakeHash;
export var kmac_128: KmacHash;
export var kmac_256: KmacHash;
export var kmac128: KmacHash;
export var kmac256: KmacHash;

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{
"name": "js-sha3",
"version": "0.8.0",
"description": "A simple SHA-3 / Keccak / Shake hash function for JavaScript supports UTF-8 encoding.",
"main": "src/sha3.js",
"devDependencies": {
"expect.js": "~0.3.1",
"mocha": "~2.3.4",
"nyc": "^11.3.0",
"uglify-js": "^3.1.9",
"webworker-threads": "^0.7.13"
},
"scripts": {
"test": "nyc mocha tests/node-test.js",
"report": "nyc --reporter=html --reporter=text mocha tests/node-test.js",
"coveralls": "nyc report --reporter=text-lcov | coveralls",
"build": "uglifyjs src/sha3.js -c -m --comments --output build/sha3.min.js"
},
"repository": {
"type": "git",
"url": "https://github.com/emn178/js-sha3.git"
},
"keywords": [
"sha3",
"keccak",
"shake",
"cshake",
"kmac",
"hash",
"encryption",
"cryptography",
"HMAC"
],
"license": "MIT",
"author": "Chen, Yi-Cyuan <emn178@gmail.com>",
"homepage": "https://github.com/emn178/js-sha3",
"bugs": {
"url": "https://github.com/emn178/js-sha3/issues"
},
"nyc": {
"exclude": [
"tests"
]
}
}

656
frontend/node_modules/js-sha3/src/sha3.js generated vendored Normal file
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@@ -0,0 +1,656 @@
/**
* [js-sha3]{@link https://github.com/emn178/js-sha3}
*
* @version 0.8.0
* @author Chen, Yi-Cyuan [emn178@gmail.com]
* @copyright Chen, Yi-Cyuan 2015-2018
* @license MIT
*/
/*jslint bitwise: true */
(function () {
'use strict';
var INPUT_ERROR = 'input is invalid type';
var FINALIZE_ERROR = 'finalize already called';
var WINDOW = typeof window === 'object';
var root = WINDOW ? window : {};
if (root.JS_SHA3_NO_WINDOW) {
WINDOW = false;
}
var WEB_WORKER = !WINDOW && typeof self === 'object';
var NODE_JS = !root.JS_SHA3_NO_NODE_JS && typeof process === 'object' && process.versions && process.versions.node;
if (NODE_JS) {
root = global;
} else if (WEB_WORKER) {
root = self;
}
var COMMON_JS = !root.JS_SHA3_NO_COMMON_JS && typeof module === 'object' && module.exports;
var AMD = typeof define === 'function' && define.amd;
var ARRAY_BUFFER = !root.JS_SHA3_NO_ARRAY_BUFFER && typeof ArrayBuffer !== 'undefined';
var HEX_CHARS = '0123456789abcdef'.split('');
var SHAKE_PADDING = [31, 7936, 2031616, 520093696];
var CSHAKE_PADDING = [4, 1024, 262144, 67108864];
var KECCAK_PADDING = [1, 256, 65536, 16777216];
var PADDING = [6, 1536, 393216, 100663296];
var SHIFT = [0, 8, 16, 24];
var RC = [1, 0, 32898, 0, 32906, 2147483648, 2147516416, 2147483648, 32907, 0, 2147483649,
0, 2147516545, 2147483648, 32777, 2147483648, 138, 0, 136, 0, 2147516425, 0,
2147483658, 0, 2147516555, 0, 139, 2147483648, 32905, 2147483648, 32771,
2147483648, 32770, 2147483648, 128, 2147483648, 32778, 0, 2147483658, 2147483648,
2147516545, 2147483648, 32896, 2147483648, 2147483649, 0, 2147516424, 2147483648];
var BITS = [224, 256, 384, 512];
var SHAKE_BITS = [128, 256];
var OUTPUT_TYPES = ['hex', 'buffer', 'arrayBuffer', 'array', 'digest'];
var CSHAKE_BYTEPAD = {
'128': 168,
'256': 136
};
if (root.JS_SHA3_NO_NODE_JS || !Array.isArray) {
Array.isArray = function (obj) {
return Object.prototype.toString.call(obj) === '[object Array]';
};
}
if (ARRAY_BUFFER && (root.JS_SHA3_NO_ARRAY_BUFFER_IS_VIEW || !ArrayBuffer.isView)) {
ArrayBuffer.isView = function (obj) {
return typeof obj === 'object' && obj.buffer && obj.buffer.constructor === ArrayBuffer;
};
}
var createOutputMethod = function (bits, padding, outputType) {
return function (message) {
return new Keccak(bits, padding, bits).update(message)[outputType]();
};
};
var createShakeOutputMethod = function (bits, padding, outputType) {
return function (message, outputBits) {
return new Keccak(bits, padding, outputBits).update(message)[outputType]();
};
};
var createCshakeOutputMethod = function (bits, padding, outputType) {
return function (message, outputBits, n, s) {
return methods['cshake' + bits].update(message, outputBits, n, s)[outputType]();
};
};
var createKmacOutputMethod = function (bits, padding, outputType) {
return function (key, message, outputBits, s) {
return methods['kmac' + bits].update(key, message, outputBits, s)[outputType]();
};
};
var createOutputMethods = function (method, createMethod, bits, padding) {
for (var i = 0; i < OUTPUT_TYPES.length; ++i) {
var type = OUTPUT_TYPES[i];
method[type] = createMethod(bits, padding, type);
}
return method;
};
var createMethod = function (bits, padding) {
var method = createOutputMethod(bits, padding, 'hex');
method.create = function () {
return new Keccak(bits, padding, bits);
};
method.update = function (message) {
return method.create().update(message);
};
return createOutputMethods(method, createOutputMethod, bits, padding);
};
var createShakeMethod = function (bits, padding) {
var method = createShakeOutputMethod(bits, padding, 'hex');
method.create = function (outputBits) {
return new Keccak(bits, padding, outputBits);
};
method.update = function (message, outputBits) {
return method.create(outputBits).update(message);
};
return createOutputMethods(method, createShakeOutputMethod, bits, padding);
};
var createCshakeMethod = function (bits, padding) {
var w = CSHAKE_BYTEPAD[bits];
var method = createCshakeOutputMethod(bits, padding, 'hex');
method.create = function (outputBits, n, s) {
if (!n && !s) {
return methods['shake' + bits].create(outputBits);
} else {
return new Keccak(bits, padding, outputBits).bytepad([n, s], w);
}
};
method.update = function (message, outputBits, n, s) {
return method.create(outputBits, n, s).update(message);
};
return createOutputMethods(method, createCshakeOutputMethod, bits, padding);
};
var createKmacMethod = function (bits, padding) {
var w = CSHAKE_BYTEPAD[bits];
var method = createKmacOutputMethod(bits, padding, 'hex');
method.create = function (key, outputBits, s) {
return new Kmac(bits, padding, outputBits).bytepad(['KMAC', s], w).bytepad([key], w);
};
method.update = function (key, message, outputBits, s) {
return method.create(key, outputBits, s).update(message);
};
return createOutputMethods(method, createKmacOutputMethod, bits, padding);
};
var algorithms = [
{ name: 'keccak', padding: KECCAK_PADDING, bits: BITS, createMethod: createMethod },
{ name: 'sha3', padding: PADDING, bits: BITS, createMethod: createMethod },
{ name: 'shake', padding: SHAKE_PADDING, bits: SHAKE_BITS, createMethod: createShakeMethod },
{ name: 'cshake', padding: CSHAKE_PADDING, bits: SHAKE_BITS, createMethod: createCshakeMethod },
{ name: 'kmac', padding: CSHAKE_PADDING, bits: SHAKE_BITS, createMethod: createKmacMethod }
];
var methods = {}, methodNames = [];
for (var i = 0; i < algorithms.length; ++i) {
var algorithm = algorithms[i];
var bits = algorithm.bits;
for (var j = 0; j < bits.length; ++j) {
var methodName = algorithm.name + '_' + bits[j];
methodNames.push(methodName);
methods[methodName] = algorithm.createMethod(bits[j], algorithm.padding);
if (algorithm.name !== 'sha3') {
var newMethodName = algorithm.name + bits[j];
methodNames.push(newMethodName);
methods[newMethodName] = methods[methodName];
}
}
}
function Keccak(bits, padding, outputBits) {
this.blocks = [];
this.s = [];
this.padding = padding;
this.outputBits = outputBits;
this.reset = true;
this.finalized = false;
this.block = 0;
this.start = 0;
this.blockCount = (1600 - (bits << 1)) >> 5;
this.byteCount = this.blockCount << 2;
this.outputBlocks = outputBits >> 5;
this.extraBytes = (outputBits & 31) >> 3;
for (var i = 0; i < 50; ++i) {
this.s[i] = 0;
}
}
Keccak.prototype.update = function (message) {
if (this.finalized) {
throw new Error(FINALIZE_ERROR);
}
var notString, type = typeof message;
if (type !== 'string') {
if (type === 'object') {
if (message === null) {
throw new Error(INPUT_ERROR);
} else if (ARRAY_BUFFER && message.constructor === ArrayBuffer) {
message = new Uint8Array(message);
} else if (!Array.isArray(message)) {
if (!ARRAY_BUFFER || !ArrayBuffer.isView(message)) {
throw new Error(INPUT_ERROR);
}
}
} else {
throw new Error(INPUT_ERROR);
}
notString = true;
}
var blocks = this.blocks, byteCount = this.byteCount, length = message.length,
blockCount = this.blockCount, index = 0, s = this.s, i, code;
while (index < length) {
if (this.reset) {
this.reset = false;
blocks[0] = this.block;
for (i = 1; i < blockCount + 1; ++i) {
blocks[i] = 0;
}
}
if (notString) {
for (i = this.start; index < length && i < byteCount; ++index) {
blocks[i >> 2] |= message[index] << SHIFT[i++ & 3];
}
} else {
for (i = this.start; index < length && i < byteCount; ++index) {
code = message.charCodeAt(index);
if (code < 0x80) {
blocks[i >> 2] |= code << SHIFT[i++ & 3];
} else if (code < 0x800) {
blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3];
blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
} else if (code < 0xd800 || code >= 0xe000) {
blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3];
blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
} else {
code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3];
blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3];
blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
}
}
}
this.lastByteIndex = i;
if (i >= byteCount) {
this.start = i - byteCount;
this.block = blocks[blockCount];
for (i = 0; i < blockCount; ++i) {
s[i] ^= blocks[i];
}
f(s);
this.reset = true;
} else {
this.start = i;
}
}
return this;
};
Keccak.prototype.encode = function (x, right) {
var o = x & 255, n = 1;
var bytes = [o];
x = x >> 8;
o = x & 255;
while (o > 0) {
bytes.unshift(o);
x = x >> 8;
o = x & 255;
++n;
}
if (right) {
bytes.push(n);
} else {
bytes.unshift(n);
}
this.update(bytes);
return bytes.length;
};
Keccak.prototype.encodeString = function (str) {
var notString, type = typeof str;
if (type !== 'string') {
if (type === 'object') {
if (str === null) {
throw new Error(INPUT_ERROR);
} else if (ARRAY_BUFFER && str.constructor === ArrayBuffer) {
str = new Uint8Array(str);
} else if (!Array.isArray(str)) {
if (!ARRAY_BUFFER || !ArrayBuffer.isView(str)) {
throw new Error(INPUT_ERROR);
}
}
} else {
throw new Error(INPUT_ERROR);
}
notString = true;
}
var bytes = 0, length = str.length;
if (notString) {
bytes = length;
} else {
for (var i = 0; i < str.length; ++i) {
var code = str.charCodeAt(i);
if (code < 0x80) {
bytes += 1;
} else if (code < 0x800) {
bytes += 2;
} else if (code < 0xd800 || code >= 0xe000) {
bytes += 3;
} else {
code = 0x10000 + (((code & 0x3ff) << 10) | (str.charCodeAt(++i) & 0x3ff));
bytes += 4;
}
}
}
bytes += this.encode(bytes * 8);
this.update(str);
return bytes;
};
Keccak.prototype.bytepad = function (strs, w) {
var bytes = this.encode(w);
for (var i = 0; i < strs.length; ++i) {
bytes += this.encodeString(strs[i]);
}
var paddingBytes = w - bytes % w;
var zeros = [];
zeros.length = paddingBytes;
this.update(zeros);
return this;
};
Keccak.prototype.finalize = function () {
if (this.finalized) {
return;
}
this.finalized = true;
var blocks = this.blocks, i = this.lastByteIndex, blockCount = this.blockCount, s = this.s;
blocks[i >> 2] |= this.padding[i & 3];
if (this.lastByteIndex === this.byteCount) {
blocks[0] = blocks[blockCount];
for (i = 1; i < blockCount + 1; ++i) {
blocks[i] = 0;
}
}
blocks[blockCount - 1] |= 0x80000000;
for (i = 0; i < blockCount; ++i) {
s[i] ^= blocks[i];
}
f(s);
};
Keccak.prototype.toString = Keccak.prototype.hex = function () {
this.finalize();
var blockCount = this.blockCount, s = this.s, outputBlocks = this.outputBlocks,
extraBytes = this.extraBytes, i = 0, j = 0;
var hex = '', block;
while (j < outputBlocks) {
for (i = 0; i < blockCount && j < outputBlocks; ++i, ++j) {
block = s[i];
hex += HEX_CHARS[(block >> 4) & 0x0F] + HEX_CHARS[block & 0x0F] +
HEX_CHARS[(block >> 12) & 0x0F] + HEX_CHARS[(block >> 8) & 0x0F] +
HEX_CHARS[(block >> 20) & 0x0F] + HEX_CHARS[(block >> 16) & 0x0F] +
HEX_CHARS[(block >> 28) & 0x0F] + HEX_CHARS[(block >> 24) & 0x0F];
}
if (j % blockCount === 0) {
f(s);
i = 0;
}
}
if (extraBytes) {
block = s[i];
hex += HEX_CHARS[(block >> 4) & 0x0F] + HEX_CHARS[block & 0x0F];
if (extraBytes > 1) {
hex += HEX_CHARS[(block >> 12) & 0x0F] + HEX_CHARS[(block >> 8) & 0x0F];
}
if (extraBytes > 2) {
hex += HEX_CHARS[(block >> 20) & 0x0F] + HEX_CHARS[(block >> 16) & 0x0F];
}
}
return hex;
};
Keccak.prototype.arrayBuffer = function () {
this.finalize();
var blockCount = this.blockCount, s = this.s, outputBlocks = this.outputBlocks,
extraBytes = this.extraBytes, i = 0, j = 0;
var bytes = this.outputBits >> 3;
var buffer;
if (extraBytes) {
buffer = new ArrayBuffer((outputBlocks + 1) << 2);
} else {
buffer = new ArrayBuffer(bytes);
}
var array = new Uint32Array(buffer);
while (j < outputBlocks) {
for (i = 0; i < blockCount && j < outputBlocks; ++i, ++j) {
array[j] = s[i];
}
if (j % blockCount === 0) {
f(s);
}
}
if (extraBytes) {
array[i] = s[i];
buffer = buffer.slice(0, bytes);
}
return buffer;
};
Keccak.prototype.buffer = Keccak.prototype.arrayBuffer;
Keccak.prototype.digest = Keccak.prototype.array = function () {
this.finalize();
var blockCount = this.blockCount, s = this.s, outputBlocks = this.outputBlocks,
extraBytes = this.extraBytes, i = 0, j = 0;
var array = [], offset, block;
while (j < outputBlocks) {
for (i = 0; i < blockCount && j < outputBlocks; ++i, ++j) {
offset = j << 2;
block = s[i];
array[offset] = block & 0xFF;
array[offset + 1] = (block >> 8) & 0xFF;
array[offset + 2] = (block >> 16) & 0xFF;
array[offset + 3] = (block >> 24) & 0xFF;
}
if (j % blockCount === 0) {
f(s);
}
}
if (extraBytes) {
offset = j << 2;
block = s[i];
array[offset] = block & 0xFF;
if (extraBytes > 1) {
array[offset + 1] = (block >> 8) & 0xFF;
}
if (extraBytes > 2) {
array[offset + 2] = (block >> 16) & 0xFF;
}
}
return array;
};
function Kmac(bits, padding, outputBits) {
Keccak.call(this, bits, padding, outputBits);
}
Kmac.prototype = new Keccak();
Kmac.prototype.finalize = function () {
this.encode(this.outputBits, true);
return Keccak.prototype.finalize.call(this);
};
var f = function (s) {
var h, l, n, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9,
b0, b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b11, b12, b13, b14, b15, b16, b17,
b18, b19, b20, b21, b22, b23, b24, b25, b26, b27, b28, b29, b30, b31, b32, b33,
b34, b35, b36, b37, b38, b39, b40, b41, b42, b43, b44, b45, b46, b47, b48, b49;
for (n = 0; n < 48; n += 2) {
c0 = s[0] ^ s[10] ^ s[20] ^ s[30] ^ s[40];
c1 = s[1] ^ s[11] ^ s[21] ^ s[31] ^ s[41];
c2 = s[2] ^ s[12] ^ s[22] ^ s[32] ^ s[42];
c3 = s[3] ^ s[13] ^ s[23] ^ s[33] ^ s[43];
c4 = s[4] ^ s[14] ^ s[24] ^ s[34] ^ s[44];
c5 = s[5] ^ s[15] ^ s[25] ^ s[35] ^ s[45];
c6 = s[6] ^ s[16] ^ s[26] ^ s[36] ^ s[46];
c7 = s[7] ^ s[17] ^ s[27] ^ s[37] ^ s[47];
c8 = s[8] ^ s[18] ^ s[28] ^ s[38] ^ s[48];
c9 = s[9] ^ s[19] ^ s[29] ^ s[39] ^ s[49];
h = c8 ^ ((c2 << 1) | (c3 >>> 31));
l = c9 ^ ((c3 << 1) | (c2 >>> 31));
s[0] ^= h;
s[1] ^= l;
s[10] ^= h;
s[11] ^= l;
s[20] ^= h;
s[21] ^= l;
s[30] ^= h;
s[31] ^= l;
s[40] ^= h;
s[41] ^= l;
h = c0 ^ ((c4 << 1) | (c5 >>> 31));
l = c1 ^ ((c5 << 1) | (c4 >>> 31));
s[2] ^= h;
s[3] ^= l;
s[12] ^= h;
s[13] ^= l;
s[22] ^= h;
s[23] ^= l;
s[32] ^= h;
s[33] ^= l;
s[42] ^= h;
s[43] ^= l;
h = c2 ^ ((c6 << 1) | (c7 >>> 31));
l = c3 ^ ((c7 << 1) | (c6 >>> 31));
s[4] ^= h;
s[5] ^= l;
s[14] ^= h;
s[15] ^= l;
s[24] ^= h;
s[25] ^= l;
s[34] ^= h;
s[35] ^= l;
s[44] ^= h;
s[45] ^= l;
h = c4 ^ ((c8 << 1) | (c9 >>> 31));
l = c5 ^ ((c9 << 1) | (c8 >>> 31));
s[6] ^= h;
s[7] ^= l;
s[16] ^= h;
s[17] ^= l;
s[26] ^= h;
s[27] ^= l;
s[36] ^= h;
s[37] ^= l;
s[46] ^= h;
s[47] ^= l;
h = c6 ^ ((c0 << 1) | (c1 >>> 31));
l = c7 ^ ((c1 << 1) | (c0 >>> 31));
s[8] ^= h;
s[9] ^= l;
s[18] ^= h;
s[19] ^= l;
s[28] ^= h;
s[29] ^= l;
s[38] ^= h;
s[39] ^= l;
s[48] ^= h;
s[49] ^= l;
b0 = s[0];
b1 = s[1];
b32 = (s[11] << 4) | (s[10] >>> 28);
b33 = (s[10] << 4) | (s[11] >>> 28);
b14 = (s[20] << 3) | (s[21] >>> 29);
b15 = (s[21] << 3) | (s[20] >>> 29);
b46 = (s[31] << 9) | (s[30] >>> 23);
b47 = (s[30] << 9) | (s[31] >>> 23);
b28 = (s[40] << 18) | (s[41] >>> 14);
b29 = (s[41] << 18) | (s[40] >>> 14);
b20 = (s[2] << 1) | (s[3] >>> 31);
b21 = (s[3] << 1) | (s[2] >>> 31);
b2 = (s[13] << 12) | (s[12] >>> 20);
b3 = (s[12] << 12) | (s[13] >>> 20);
b34 = (s[22] << 10) | (s[23] >>> 22);
b35 = (s[23] << 10) | (s[22] >>> 22);
b16 = (s[33] << 13) | (s[32] >>> 19);
b17 = (s[32] << 13) | (s[33] >>> 19);
b48 = (s[42] << 2) | (s[43] >>> 30);
b49 = (s[43] << 2) | (s[42] >>> 30);
b40 = (s[5] << 30) | (s[4] >>> 2);
b41 = (s[4] << 30) | (s[5] >>> 2);
b22 = (s[14] << 6) | (s[15] >>> 26);
b23 = (s[15] << 6) | (s[14] >>> 26);
b4 = (s[25] << 11) | (s[24] >>> 21);
b5 = (s[24] << 11) | (s[25] >>> 21);
b36 = (s[34] << 15) | (s[35] >>> 17);
b37 = (s[35] << 15) | (s[34] >>> 17);
b18 = (s[45] << 29) | (s[44] >>> 3);
b19 = (s[44] << 29) | (s[45] >>> 3);
b10 = (s[6] << 28) | (s[7] >>> 4);
b11 = (s[7] << 28) | (s[6] >>> 4);
b42 = (s[17] << 23) | (s[16] >>> 9);
b43 = (s[16] << 23) | (s[17] >>> 9);
b24 = (s[26] << 25) | (s[27] >>> 7);
b25 = (s[27] << 25) | (s[26] >>> 7);
b6 = (s[36] << 21) | (s[37] >>> 11);
b7 = (s[37] << 21) | (s[36] >>> 11);
b38 = (s[47] << 24) | (s[46] >>> 8);
b39 = (s[46] << 24) | (s[47] >>> 8);
b30 = (s[8] << 27) | (s[9] >>> 5);
b31 = (s[9] << 27) | (s[8] >>> 5);
b12 = (s[18] << 20) | (s[19] >>> 12);
b13 = (s[19] << 20) | (s[18] >>> 12);
b44 = (s[29] << 7) | (s[28] >>> 25);
b45 = (s[28] << 7) | (s[29] >>> 25);
b26 = (s[38] << 8) | (s[39] >>> 24);
b27 = (s[39] << 8) | (s[38] >>> 24);
b8 = (s[48] << 14) | (s[49] >>> 18);
b9 = (s[49] << 14) | (s[48] >>> 18);
s[0] = b0 ^ (~b2 & b4);
s[1] = b1 ^ (~b3 & b5);
s[10] = b10 ^ (~b12 & b14);
s[11] = b11 ^ (~b13 & b15);
s[20] = b20 ^ (~b22 & b24);
s[21] = b21 ^ (~b23 & b25);
s[30] = b30 ^ (~b32 & b34);
s[31] = b31 ^ (~b33 & b35);
s[40] = b40 ^ (~b42 & b44);
s[41] = b41 ^ (~b43 & b45);
s[2] = b2 ^ (~b4 & b6);
s[3] = b3 ^ (~b5 & b7);
s[12] = b12 ^ (~b14 & b16);
s[13] = b13 ^ (~b15 & b17);
s[22] = b22 ^ (~b24 & b26);
s[23] = b23 ^ (~b25 & b27);
s[32] = b32 ^ (~b34 & b36);
s[33] = b33 ^ (~b35 & b37);
s[42] = b42 ^ (~b44 & b46);
s[43] = b43 ^ (~b45 & b47);
s[4] = b4 ^ (~b6 & b8);
s[5] = b5 ^ (~b7 & b9);
s[14] = b14 ^ (~b16 & b18);
s[15] = b15 ^ (~b17 & b19);
s[24] = b24 ^ (~b26 & b28);
s[25] = b25 ^ (~b27 & b29);
s[34] = b34 ^ (~b36 & b38);
s[35] = b35 ^ (~b37 & b39);
s[44] = b44 ^ (~b46 & b48);
s[45] = b45 ^ (~b47 & b49);
s[6] = b6 ^ (~b8 & b0);
s[7] = b7 ^ (~b9 & b1);
s[16] = b16 ^ (~b18 & b10);
s[17] = b17 ^ (~b19 & b11);
s[26] = b26 ^ (~b28 & b20);
s[27] = b27 ^ (~b29 & b21);
s[36] = b36 ^ (~b38 & b30);
s[37] = b37 ^ (~b39 & b31);
s[46] = b46 ^ (~b48 & b40);
s[47] = b47 ^ (~b49 & b41);
s[8] = b8 ^ (~b0 & b2);
s[9] = b9 ^ (~b1 & b3);
s[18] = b18 ^ (~b10 & b12);
s[19] = b19 ^ (~b11 & b13);
s[28] = b28 ^ (~b20 & b22);
s[29] = b29 ^ (~b21 & b23);
s[38] = b38 ^ (~b30 & b32);
s[39] = b39 ^ (~b31 & b33);
s[48] = b48 ^ (~b40 & b42);
s[49] = b49 ^ (~b41 & b43);
s[0] ^= RC[n];
s[1] ^= RC[n + 1];
}
};
if (COMMON_JS) {
module.exports = methods;
} else {
for (i = 0; i < methodNames.length; ++i) {
root[methodNames[i]] = methods[methodNames[i]];
}
if (AMD) {
define(function () {
return methods;
});
}
}
})();