1. Go to this page and download the library: Download amculin/vigenere-cipher library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
amculin / vigenere-cipher example snippets
use amculin\cryptography\classic\VigenereCipher;
$data = 'testtheencryptionprocess';
$key = 'thisisthekey';
//Basic mode only support lowercase alphabet
//You can use alpha_numeric mode for wider supported characters (a-z, A-Z, 0-9)
$encrypted = VigenereCipher::encrypt($data, $key, 'basic');
echo "Plain text: {$data}\n";
echo "Key: {$key}\n";
echo "Cipher Text: {$encrypted}\n";