OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	08/14/2024 10:55:35 AM	rwxr-xr-x
📄 AbstractCryptoClient.php	4.11 KB	08/14/2024 10:51:56 AM	rw-r--r--
📄 AbstractCryptoClientV2.php	4 KB	08/14/2024 10:51:56 AM	rw-r--r--
📄 AesDecryptingStream.php	3.65 KB	08/14/2024 10:51:56 AM	rw-r--r--
📄 AesEncryptingStream.php	3.83 KB	08/14/2024 10:51:56 AM	rw-r--r--
📄 AesGcmDecryptingStream.php	2.81 KB	08/14/2024 10:51:56 AM	rw-r--r--
📄 AesGcmEncryptingStream.php	3.02 KB	08/14/2024 10:51:56 AM	rw-r--r--
📄 AesStreamInterface.php	686 bytes	08/14/2024 10:51:56 AM	rw-r--r--
📄 AesStreamInterfaceV2.php	759 bytes	08/14/2024 10:51:56 AM	rw-r--r--
📁 Cipher	-	08/14/2024 10:55:07 AM	rwxr-xr-x
📄 DecryptionTrait.php	6.13 KB	08/14/2024 10:51:56 AM	rw-r--r--
📄 DecryptionTraitV2.php	9.28 KB	08/14/2024 10:51:56 AM	rw-r--r--
📄 EncryptionTrait.php	7.1 KB	08/14/2024 10:51:56 AM	rw-r--r--
📄 EncryptionTraitV2.php	7.29 KB	08/14/2024 10:51:56 AM	rw-r--r--
📄 KmsMaterialsProvider.php	4.01 KB	08/14/2024 10:51:56 AM	rw-r--r--
📄 KmsMaterialsProviderV2.php	3.53 KB	08/14/2024 10:51:56 AM	rw-r--r--
📄 MaterialsProvider.php	3.33 KB	08/14/2024 10:51:57 AM	rw-r--r--
📄 MaterialsProviderInterface.php	1.87 KB	08/14/2024 10:51:57 AM	rw-r--r--
📄 MaterialsProviderInterfaceV2.php	1.72 KB	08/14/2024 10:51:57 AM	rw-r--r--
📄 MaterialsProviderV2.php	2.07 KB	08/14/2024 10:51:57 AM	rw-r--r--
📄 MetadataEnvelope.php	1.7 KB	08/14/2024 10:51:57 AM	rw-r--r--
📄 MetadataStrategyInterface.php	1 KB	08/14/2024 10:51:57 AM	rw-r--r--
📁 Polyfill	-	08/14/2024 10:55:07 AM	rwxr-xr-x

Editing: AesGcmEncryptingStream.php

<?php
namespace Aws\Crypto;

use Aws\Crypto\Polyfill\AesGcm;
use Aws\Crypto\Polyfill\Key;
use GuzzleHttp\Psr7;
use GuzzleHttp\Psr7\StreamDecoratorTrait;
use Psr\Http\Message\StreamInterface;
use \RuntimeException;

/**
 * @internal Represents a stream of data to be gcm encrypted.
 */
class AesGcmEncryptingStream implements AesStreamInterface, AesStreamInterfaceV2
{
    use StreamDecoratorTrait;

private $aad;

private $initializationVector;

private $key;

private $keySize;

private $plaintext;

private $tag = '';

private $tagLength;

/**
     * @var StreamInterface
     */
    private $stream;

/**
     * Same as non-static 'getAesName' method, allowing calls in a static
     * context.
     *
     * @return string
     */
    public static function getStaticAesName()
    {
        return 'AES/GCM/NoPadding';
    }

/**
     * @param StreamInterface $plaintext
     * @param string $key
     * @param string $initializationVector
     * @param string $aad
     * @param int $tagLength
     * @param int $keySize
     */
    public function __construct(
        StreamInterface $plaintext,
        $key,
        $initializationVector,
        $aad = '',
        $tagLength = 16,
        $keySize = 256
    ) {

$this->plaintext = $plaintext;
        $this->key = $key;
        $this->initializationVector = $initializationVector;
        $this->aad = $aad;
        $this->tagLength = $tagLength;
        $this->keySize = $keySize;
        // unsetting the property forces the first access to go through
        // __get().
        unset($this->stream);
    }

public function getOpenSslName()
    {
        return "aes-{$this->keySize}-gcm";
    }

/**
     * Same as static method and retained for backwards compatibility
     *
     * @return string
     */
    public function getAesName()
    {
        return self::getStaticAesName();
    }

public function getCurrentIv()
    {
        return $this->initializationVector;
    }

public function createStream()
    {
        if (version_compare(PHP_VERSION, '7.1', '<')) {
            return Psr7\Utils::streamFor(AesGcm::encrypt(
                (string) $this->plaintext,
                $this->initializationVector,
                new Key($this->key),
                $this->aad,
                $this->tag,
                $this->keySize
            ));
        } else {
            return Psr7\Utils::streamFor(\openssl_encrypt(
                (string)$this->plaintext,
                $this->getOpenSslName(),
                $this->key,
                OPENSSL_RAW_DATA,
                $this->initializationVector,
                $this->tag,
                $this->aad,
                $this->tagLength
            ));
        }
    }

/**
     * @return string
     */
    public function getTag()
    {
        return $this->tag;
    }

public function isWritable(): bool
    {
        return false;
    }
}