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Direktori : /home2/selectio/www/myclassicfit.com-1/vendor/aws/aws-sdk-php/src/Crypto/ |
Current File : /home2/selectio/www/myclassicfit.com-1/vendor/aws/aws-sdk-php/src/Crypto/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; /** * 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 = $keySize; } public function getOpenSslName() { return "aes-{$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() { return false; } }