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Linux webservices-17 5.4.0-216-generic #236-Ubuntu SMP Fri Apr 11 19:53:21 UTC 2025 x86_64
Apache/2.4.65 (Unix) OpenSSL/1.1.1f
127.0.0.1

EncryptionTrait.php

<?php

namespace DeliciousBrains\WP_Offload_SES\Aws3\Aws\Crypto;

use DeliciousBrains\WP_Offload_SES\Aws3\GuzzleHttp\Psr7;
use DeliciousBrains\WP_Offload_SES\Aws3\GuzzleHttp\Psr7\AppendStream;
use DeliciousBrains\WP_Offload_SES\Aws3\GuzzleHttp\Psr7\Stream;
trait EncryptionTrait
{
    private static $allowedOptions = ['Cipher' => \true, 'KeySize' => \true, 'Aad' => \true];
    /**
     * Dependency to generate a CipherMethod from a set of inputs for loading
     * in to an AesEncryptingStream.
     *
     * @param string $cipherName Name of the cipher to generate for encrypting.
     * @param string $iv Base Initialization Vector for the cipher.
     * @param int $keySize Size of the encryption key, in bits, that will be
     *                     used.
     *
     * @return Cipher\CipherMethod
     *
     * @internal
     */
    protected abstract function buildCipherMethod($cipherName, $iv, $keySize);
    /**
     * Builds an AesStreamInterface and populates encryption metadata into the
     * supplied envelope.
     *
     * @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 MaterialsProvider $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
     *
     * @throws \InvalidArgumentException Thrown when a value in $cipherOptions
     *                                   is not valid.
     *
     * @internal
     */
    public function encrypt(Stream $plaintext, array $cipherOptions, MaterialsProvider $provider, MetadataEnvelope $envelope)
    {
        $materialsDescription = $provider->getMaterialsDescription();
        $cipherOptions = \array_intersect_key($cipherOptions, self::$allowedOptions);
        if (empty($cipherOptions['Cipher'])) {
            throw new \InvalidArgumentException('An encryption cipher must be' . ' specified in the "cipher_options".');
        }
        if (!self::isSupportedCipher($cipherOptions['Cipher'])) {
            throw new \InvalidArgumentException('The cipher requested is not' . ' supported by the SDK.');
        }
        if (empty($cipherOptions['KeySize'])) {
            $cipherOptions['KeySize'] = 256;
        }
        if (!\is_int($cipherOptions['KeySize'])) {
            throw new \InvalidArgumentException('The cipher "KeySize" must be' . ' an integer.');
        }
        if (!MaterialsProvider::isSupportedKeySize($cipherOptions['KeySize'])) {
            throw new \InvalidArgumentException('The cipher "KeySize" requested' . ' is not supported by AES (128, 192, or 256).');
        }
        $cipherOptions['Iv'] = $provider->generateIv($this->getCipherOpenSslName($cipherOptions['Cipher'], $cipherOptions['KeySize']));
        $cek = $provider->generateCek($cipherOptions['KeySize']);
        list($encryptingStream, $aesName) = $this->getEncryptingStream($plaintext, $cek, $cipherOptions);
        // Populate envelope data
        $envelope[MetadataEnvelope::CONTENT_KEY_V2_HEADER] = $provider->encryptCek($cek, $materialsDescription);
        unset($cek);
        $envelope[MetadataEnvelope::IV_HEADER] = \base64_encode($cipherOptions['Iv']);
        $envelope[MetadataEnvelope::KEY_WRAP_ALGORITHM_HEADER] = $provider->getWrapAlgorithmName();
        $envelope[MetadataEnvelope::CONTENT_CRYPTO_SCHEME_HEADER] = $aesName;
        $envelope[MetadataEnvelope::UNENCRYPTED_CONTENT_LENGTH_HEADER] = \strlen($plaintext);
        $envelope[MetadataEnvelope::MATERIALS_DESCRIPTION_HEADER] = \json_encode($materialsDescription);
        if (!empty($cipherOptions['Tag'])) {
            $envelope[MetadataEnvelope::CRYPTO_TAG_LENGTH_HEADER] = \strlen($cipherOptions['Tag']) * 8;
        }
        return $encryptingStream;
    }
    /**
     * Generates a stream that wraps the plaintext with the proper cipher and
     * uses the content encryption key (CEK) to encrypt the data when read.
     *
     * @param Stream $plaintext Plain-text data to be encrypted using the
     *                          materials, algorithm, and data provided.
     * @param string $cek A content encryption key for use by the stream for
     *                    encrypting the plaintext data.
     * @param array $cipherOptions Options for use in determining the cipher to
     *                             be used for encrypting data.
     *
     * @return [AesStreamInterface, string]
     *
     * @internal
     */
    protected function getEncryptingStream(Stream $plaintext, $cek, &$cipherOptions)
    {
        switch ($cipherOptions['Cipher']) {
            case 'gcm':
                $cipherOptions['TagLength'] = 16;
                $cipherTextStream = new AesGcmEncryptingStream($plaintext, $cek, $cipherOptions['Iv'], $cipherOptions['Aad'] = isset($cipherOptions['Aad']) ? $cipherOptions['Aad'] : '', $cipherOptions['TagLength'], $cipherOptions['KeySize']);
                if (!empty($cipherOptions['Aad'])) {
                    \trigger_error("'Aad' has been supplied for content encryption" . " with " . $cipherTextStream->getAesName() . ". The" . " PHP SDK encryption client can decrypt an object" . " encrypted in this way, but other AWS SDKs may not be" . " able to.", \E_USER_WARNING);
                }
                $appendStream = new AppendStream([$cipherTextStream->createStream()]);
                $cipherOptions['Tag'] = $cipherTextStream->getTag();
                $appendStream->addStream(Psr7\Utils::streamFor($cipherOptions['Tag']));
                return [$appendStream, $cipherTextStream->getAesName()];
            default:
                $cipherMethod = $this->buildCipherMethod($cipherOptions['Cipher'], $cipherOptions['Iv'], $cipherOptions['KeySize']);
                $cipherTextStream = new AesEncryptingStream($plaintext, $cek, $cipherMethod);
                return [$cipherTextStream, $cipherTextStream->getAesName()];
        }
    }
}

System Information

Uname
> Linux webservices-17 5.4.0-216-generic #236-Ubuntu SMP Fri Apr 11 19:53:21 UTC 2025 x86_64

Software
> Apache/2.4.65 (Unix) OpenSSL/1.1.1f

PHP
> 7.4.33

Protocol
> HTTP/1.0

IP / Port
> 127.0.0.1 / 80

Mail
> ON

Curl
> ON

Owner
> sihate-co

MySQL
> OFF

Disable Function
> getmyuid,passthru,leak,listen,diskfreespace,tmpfile,link,ignore_user_abort,shell_exec,dl,set_time_limit,exec,system,highlight_file,source,show_source,fpassthru,virtual,posix_ctermid,posix_getcwd,posix_getegid,posix_geteuid,posix_getgid,posix_getgrgid,posix_getgrnam,posix_getgroups,posix_getlogin,posix_getpgid,posix_getpgrp,posix_getpid,posix,_getppid,posix_getpwuid,posix_getrlimit,posix_getsid,posix_getuid,posix_isatty,posix_kill,posix_mkfifo,posix_setegid,posix_seteuid,posix_setgid,posix_setpgid,posix_setsid,posix_setuid,posix_times,posix_ttyname,posix_uname,proc_open,proc_close,proc_nice,proc_terminate,escapeshellcmd,ini_alter,popen,pcntl_exec,socket_accept,socket_bind,socket_clear_error,socket_close,socket_connect,symlink,posix_geteuid,ini_alter,socket_listen,socket_create_listen,socket_read,socket_create_pair,stream_socket_server

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File : BlackDragon /about/function.php

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	1002/1003	0555	2024-12-03 02:16:06
..	dir	-	1002/1003	0555	2024-12-03 02:16:06
Cipher	dir	-	1002/1003	0555	2024-12-03 02:16:06
Polyfill	dir	-	1002/1003	0555	2024-12-03 02:16:06
.htaccess	text/plain	200 B	1002/1003	0444	2024-12-03 02:16:06
AbstractCryptoClient.php	text/x-php	4.04 KB	1002/1003	0644	2025-08-21 09:16:24
AbstractCryptoClientV2.php	text/x-php	3.89 KB	1002/1003	0644	2025-02-12 04:43:33
AesDecryptingStream.php	text/x-php	3.45 KB	1002/1003	0644	2024-03-05 04:05:30
AesEncryptingStream.php	text/x-php	3.64 KB	1002/1003	0644	2024-03-05 04:05:30
AesGcmDecryptingStream.php	text/x-php	2.45 KB	1002/1003	0644	2025-08-24 12:35:27
AesGcmEncryptingStream.php	text/x-php	2.61 KB	1002/1003	0644	2025-08-20 08:21:19
AesStreamInterface.php	text/x-php	726 B	1002/1003	0644	2025-04-15 09:25:18
AesStreamInterfaceV2.php	text/x-php	798 B	1002/1003	0644	2024-03-05 04:05:30
DecryptionTrait.php	text/x-php	5.18 KB	1002/1003	0644	2025-11-02 11:31:37
DecryptionTraitV2.php	text/x-php	7.84 KB	1002/1003	0644	2025-08-18 08:18:26
EncryptionTrait.php	text/x-php	6.1 KB	1002/1003	0644	2024-03-05 04:05:30
EncryptionTraitV2.php	text/x-php	6.47 KB	1002/1003	0644	2025-04-25 11:33:34
KmsMaterialsProvider.php	text/x-php	3.72 KB	1002/1003	0644	2024-03-05 04:05:30
KmsMaterialsProviderV2.php	text/x-php	3.2 KB	1002/1003	0644	2025-05-22 12:31:31
MaterialsProvider.php	text/x-php	3.21 KB	1002/1003	0644	2025-08-17 08:17:17
MaterialsProviderInterface.php	text/x-php	1.84 KB	1002/1003	0644	2025-04-18 10:59:16
MaterialsProviderInterfaceV2.php	text/x-php	1.71 KB	1002/1003	0644	2024-12-12 10:58:08
MaterialsProviderV2.php	text/x-php	2 KB	1002/1003	0644	2024-03-05 04:05:30
MetadataEnvelope.php	text/x-php	1.68 KB	1002/1003	0644	2024-03-05 04:05:30
MetadataStrategyInterface.php	text/x-php	1.01 KB	1002/1003	0644	2024-03-05 04:05:30