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📁 ..
📄 AbstractCryptoClient.php(3.87 KB)
📄 AbstractCryptoClientV2.php(3.75 KB)
📄 AesDecryptingStream.php(3.43 KB)
📄 AesEncryptingStream.php(3.62 KB)
📄 AesGcmDecryptingStream.php(2.23 KB)
📄 AesGcmEncryptingStream.php(2.69 KB)
📄 AesStreamInterface.php(656 B)
📄 AesStreamInterfaceV2.php(728 B)
📁 Cipher
📄 DecryptionTrait.php(5.85 KB)
📄 DecryptionTraitV2.php(5.95 KB)
📄 EncryptionTrait.php(6.42 KB)
📄 EncryptionTraitV2.php(6.32 KB)
📄 KmsMaterialsProvider.php(3.39 KB)
📄 KmsMaterialsProviderV2.php(2.53 KB)
📄 MaterialsProvider.php(3.23 KB)
📄 MaterialsProviderInterface.php(1.58 KB)
📄 MaterialsProviderV2.php(2.42 KB)
📄 MetadataEnvelope.php(1.54 KB)
📄 MetadataStrategyInterface.php(996 B)
📁 Polyfill

Editing: AbstractCryptoClientV2.php

<?php
namespace Aws\Crypto;

use Aws\Crypto\Cipher\CipherMethod;
use GuzzleHttp\Psr7\Stream;

/**
 * @internal
 */
abstract class AbstractCryptoClientV2
{
    public static $supportedCiphers = ['gcm'];

/**
     * Returns if the passed cipher name is supported for encryption by the SDK.
     *
     * @param string $cipherName The name of a cipher to verify is registered.
     *
     * @return bool If the cipher passed is in our supported list.
     */
    public static function isSupportedCipher($cipherName)
    {
        return in_array($cipherName, self::$supportedCiphers, true);
    }

/**
     * Returns an identifier recognizable by `openssl_*` functions, such as
     * `aes-256-gcm`
     *
     * @param string $cipherName Name of the cipher being used for encrypting
     *                           or decrypting.
     * @param int $keySize Size of the encryption key, in bits, that will be
     *                     used.
     *
     * @return string
     */
    abstract protected function getCipherOpenSslName($cipherName, $keySize);

/**
     * Constructs a CipherMethod for the given name, initialized with the other
     * data passed for use in encrypting or decrypting.
     *
     * @param string $cipherName Name of the cipher to generate for encrypting.
     * @param string $iv Base Initialization Vector for the cipher.
     * @param int $keySize Size of the encryption key, in bits, that will be
     *                     used.
     *
     * @return CipherMethod
     *
     * @internal
     */
    abstract protected function buildCipherMethod($cipherName, $iv, $keySize);

/**
     * Performs a reverse lookup to get the openssl_* cipher name from the
     * AESName passed in from the MetadataEnvelope.
     *
     * @param $aesName
     *
     * @return string
     *
     * @internal
     */
    abstract protected function getCipherFromAesName($aesName);

/**
     * Dependency to provide an interface for building an encryption stream for
     * data given cipher details, metadata, and materials to do so.
     *
     * @param Stream $plaintext Plain-text data to be encrypted using the
     *                          materials, algorithm, and data provided.
     * @param array $cipherOptions Options for use in determining the cipher to
     *                             be used for encrypting data.
     * @param MaterialsProviderV2 $provider A provider to supply and encrypt
     *                                      materials used in encryption.
     * @param MetadataEnvelope $envelope A storage envelope for encryption
     *                                   metadata to be added to.
     *
     * @return AesStreamInterface
     *
     * @internal
     */
    abstract public function encrypt(
        Stream $plaintext,
        array $cipherOptions,
        MaterialsProviderV2 $provider,
        MetadataEnvelope $envelope
    );

/**
     * Dependency to provide an interface for building a decryption stream for
     * cipher text given metadata and materials to do so.
     *
     * @param string $cipherText Plain-text data to be decrypted using the
     *                           materials, algorithm, and data provided.
     * @param MaterialsProviderInterface $provider A provider to supply and encrypt
     *                                             materials used in encryption.
     * @param MetadataEnvelope $envelope A storage envelope for encryption
     *                                   metadata to be read from.
     * @param array $cipherOptions Additional verification options.
     *
     * @return AesStreamInterface
     *
     * @internal
     */
    abstract public function decrypt(
        $cipherText,
        MaterialsProviderInterface $provider,
        MetadataEnvelope $envelope,
        array $cipherOptions = []
    );
}

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Editing: AbstractCryptoClientV2.php

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