PHP code example of guazi / halite

1. Go to this page and download the library: Download guazi/halite 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/ */

guazi / halite example snippets



use ParagonIE\Halite\KeyFactory;

$encKey = KeyFactory::generateEncryptionKey();
KeyFactory::save($encKey, '/path/outside/webroot/encryption.key');



use ParagonIE\Halite\KeyFactory;
use ParagonIE\Halite\Symmetric\Crypto as Symmetric;

$encryptionKey = KeyFactory::loadEncryptionKey('/path/outside/webroot/encryption.key');

$message = 'This is a confidential message for your eyes only.';
$ciphertext = Symmetric::encrypt($message, $encryptionKey);

$decrypted = Symmetric::decrypt($ciphertext, $encryptionKey);

var_dump($decrypted === $message); // bool(true)



use ParagonIE\Halite\KeyFactory;
use ParagonIE\Halite\Symmetric\Crypto as Symmetric;

$passwd = 'correct horse battery staple';
// Use random_bytes(32); to generate the salt:
$salt = "\xdd\x7b\x1e\x38\x75\x9f\x72\x86\x0a\xe9\xc8\x58\xf6\x16\x0d\x3b\xdd\x7b\x1e\x38\x75\x9f\x72\x86\x0a\xe9\xc8\x58\xf6\x16\x0d\x3b";

$encryptionKey = KeyFactory::deriveEncryptionKey($passwd, $salt);



use ParagonIE\Halite\File;
use ParagonIE\Halite\KeyFactory;

$encryptionKey = KeyFactory::loadEncryptionKey('/path/outside/webroot/encryption.key');

File::encrypt('input.txt', 'output.txt', $encryptionKey);