Keccak 256 (Sha 3)

Ethereum applied Keccak-256 cryptographic hash function in many places, such as address generation, consensus engine and protocol work.
use kornrunner\Keccak;

include_once "../libraries/vendor/autoload.php";

$result = '';
	try {
		$result = Keccak::hash(hex2bin($_POST['string']), 256);
	} catch (Exception $e) {
        $errmsg .= "Problem found. " . $e->getMessage();

if ($errmsg) {
	<div class="alert alert-danger">
		<strong>Error!</strong> <?php echo $errmsg?>

if ($result) {
	<div class="table-responsive">
		<table border=0 class='table'>
			<tr><td>String</td><td><?php echo $_POST['string']?></td></tr>
			<tr><td>Keccak 256</td><td><?php echo $result;?></td></tr>
<form action='' method='post'>
	<div class="form-group">
		<label for="string">String In Hex:</label>
		<input class="form-control" type='text' name='string' id='string' value='<?php echo $_POST['string']?>'>

	<input type='submit' class="btn btn-success btn-block"/>

About Us
Contents have been open source in GITHUB. Please give me a ⭐ if you found this helpful :)
Problem? Raise me a new issue.
Support Us
Buy me a coffee. so i can spend more nights for this :)

BTCSCHOOLS would like to present you with more pratical but little theory throughout our tutorials. Pages' content are constantly keep reviewed to avoid mistakes, but we cannot warrant correctness of all contents. While using this site, you agree to accept our terms of use, cookie & privacy policy. Copyright 2019 by BTCSCHOOLS. All Rights Reserved.