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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

File Name : KmsMaterialsProvider.php

<?php

namespace DeliciousBrains\WP_Offload_SES\Aws3\Aws\Crypto;

use DeliciousBrains\WP_Offload_SES\Aws3\Aws\Kms\KmsClient;
/**
 * Uses KMS to supply materials for encrypting and decrypting data.
 *
 * Legacy implementation that supports legacy S3EncryptionClient and
 * S3EncryptionMultipartUploader, which use an older encryption workflow. Use
 * KmsMaterialsProviderV2 with S3EncryptionClientV2 or
 * S3EncryptionMultipartUploaderV2 if possible.
 *
 * @deprecated
 */
class KmsMaterialsProvider extends MaterialsProvider implements MaterialsProviderInterface
{
    const WRAP_ALGORITHM_NAME = 'kms';
    private $kmsClient;
    private $kmsKeyId;
    /**
     * @param KmsClient $kmsClient A KMS Client for use encrypting and
     *                             decrypting keys.
     * @param string $kmsKeyId The private KMS key id to be used for encrypting
     *                         and decrypting keys.
     */
    public function __construct(KmsClient $kmsClient, $kmsKeyId = null)
    {
        $this->kmsClient = $kmsClient;
        $this->kmsKeyId = $kmsKeyId;
    }
    public function fromDecryptionEnvelope(MetadataEnvelope $envelope)
    {
        if (empty($envelope[MetadataEnvelope::MATERIALS_DESCRIPTION_HEADER])) {
            throw new \RuntimeException('Not able to detect the materials description.');
        }
        $materialsDescription = \json_decode($envelope[MetadataEnvelope::MATERIALS_DESCRIPTION_HEADER], \true);
        if (empty($materialsDescription['kms_cmk_id']) && empty($materialsDescription['aws:x-amz-cek-alg'])) {
            throw new \RuntimeException('Not able to detect kms_cmk_id (legacy' . ' implementation) or aws:x-amz-cek-alg (current implementation)' . ' from kms materials description.');
        }
        return new self($this->kmsClient, isset($materialsDescription['kms_cmk_id']) ? $materialsDescription['kms_cmk_id'] : null);
    }
    /**
     * The KMS key id for use in matching this Provider to its keys,
     * consistently with other SDKs as 'kms_cmk_id'.
     *
     * @return array
     */
    public function getMaterialsDescription()
    {
        return ['kms_cmk_id' => $this->kmsKeyId];
    }
    public function getWrapAlgorithmName()
    {
        return self::WRAP_ALGORITHM_NAME;
    }
    /**
     * Takes a content encryption key (CEK) and description to return an encrypted
     * key by using KMS' Encrypt API.
     *
     * @param string $unencryptedCek Key for use in encrypting other data
     *                               that itself needs to be encrypted by the
     *                               Provider.
     * @param string $materialDescription Material Description for use in
     *                                    encrypting the $cek.
     *
     * @return string
     */
    public function encryptCek($unencryptedCek, $materialDescription)
    {
        $encryptedDataKey = $this->kmsClient->encrypt(['Plaintext' => $unencryptedCek, 'KeyId' => $this->kmsKeyId, 'EncryptionContext' => $materialDescription]);
        return \base64_encode($encryptedDataKey['CiphertextBlob']);
    }
    /**
     * Takes an encrypted content encryption key (CEK) and material description
     * for use decrypting the key by using KMS' Decrypt API.
     *
     * @param string $encryptedCek Encrypted key to be decrypted by the Provider
     *                             for use decrypting other data.
     * @param string $materialDescription Material Description for use in
     *                                    encrypting the $cek.
     *
     * @return string
     */
    public function decryptCek($encryptedCek, $materialDescription)
    {
        $result = $this->kmsClient->decrypt(['CiphertextBlob' => $encryptedCek, 'EncryptionContext' => $materialDescription]);
        return $result['Plaintext'];
    }
}

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

*ReClick For Close
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