PHP code example of smoren / encryption-tools

1. Go to this page and download the library: Download smoren/encryption-tools 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/ */

    

smoren / encryption-tools example snippets


use Smoren\EncryptionTools\Helpers\SymmetricEncryptionHelper;

$data = ["some", "data" => "to", "encrypt"];
$secretKey = uniqid();

$dataEncrypted = SymmetricEncryptionHelper::encrypt($data, $secretKey);
$dataDecrypted = SymmetricEncryptionHelper::decrypt($dataEncrypted, $secretKey);
print_r($dataDecrypted);

$dataEncrypted = SymmetricEncryptionHelper::encrypt($data, $secretKey, 'camellia-256-ofb');
$dataDecrypted = SymmetricEncryptionHelper::decrypt($dataEncrypted, $secretKey, 'camellia-256-ofb');
print_r($dataDecrypted);

use Smoren\EncryptionTools\Helpers\AsymmetricEncryptionHelper;

$data = ["some", "data" => "to", "encrypt"];
[$privateKey, $publicKey] = AsymmetricEncryptionHelper::generateKeyPair();

$dataEncrypted = AsymmetricEncryptionHelper::encryptByPrivateKey($data, $privateKey);
$dataDecrypted = AsymmetricEncryptionHelper::decryptByPublicKey($dataEncrypted, $publicKey);
print_r($dataDecrypted);

$dataEncrypted = AsymmetricEncryptionHelper::encryptByPublicKey($data, $publicKey);
$dataDecrypted = AsymmetricEncryptionHelper::decryptByPrivateKey($dataEncrypted, $privateKey);
print_r($dataDecrypted);

use Smoren\EncryptionTools\Helpers\AsymmetricEncryptionHelper;
use Smoren\EncryptionTools\Exceptions\AsymmetricEncryptionException;

$data = ["some", "data" => "to", "encrypt"];
[$privateKey, $publicKey] = AsymmetricEncryptionHelper::generateKeyPair();

$signature = AsymmetricEncryptionHelper::sign($data, $privateKey);

try {
    AsymmetricEncryptionHelper::verify($data, $signature, $publicKey);
} catch(AsymmetricEncryptionException $e) {
    // ... handling exception if cannot verify signature
}

use Smoren\EncryptionTools\Helpers\AsymmetricLargeDataEncryptionHelper;

$data = file_get_contents('file_with_large_data.txt');
[$privateKey, $publicKey] = AsymmetricLargeDataEncryptionHelper::generateKeyPair();

$dataEncrypted = AsymmetricLargeDataEncryptionHelper::encryptByPrivateKey($data, $privateKey);
$dataDecrypted = AsymmetricLargeDataEncryptionHelper::decryptByPublicKey($dataEncrypted, $publicKey);
print_r($dataDecrypted);

$dataEncrypted = AsymmetricLargeDataEncryptionHelper::encryptByPublicKey($data, $publicKey);
$dataDecrypted = AsymmetricLargeDataEncryptionHelper::decryptByPrivateKey($dataEncrypted, $privateKey);
print_r($dataDecrypted);