0e0db37658
* Add typehints * Add return types * Opcode opts from phpstorm * Made strict * Fixed tests: No need to test bogus values anymore strict typing fixes this Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
66 lines
2.3 KiB
PHP
66 lines
2.3 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Morris Jobke <hey@morrisjobke.de>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OCP\Security;
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/**
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* Class Crypto provides a high-level encryption layer using AES-CBC. If no key has been provided
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* it will use the secret defined in config.php as key. Additionally the message will be HMAC'd.
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*
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* Usage:
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* $encryptWithDefaultPassword = \OC::$server->getCrypto()->encrypt('EncryptedText');
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* $encryptWithCustomPassword = \OC::$server->getCrypto()->encrypt('EncryptedText', 'password');
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*
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* @package OCP\Security
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* @since 8.0.0
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*/
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interface ICrypto {
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/**
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* @param string $message The message to authenticate
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* @param string $password Password to use (defaults to `secret` in config.php)
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* @return string Calculated HMAC
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* @since 8.0.0
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*/
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public function calculateHMAC(string $message, string $password = ''): string;
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/**
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* Encrypts a value and adds an HMAC (Encrypt-Then-MAC)
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* @param string $plaintext
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* @param string $password Password to encrypt, if not specified the secret from config.php will be taken
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* @return string Authenticated ciphertext
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* @since 8.0.0
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*/
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public function encrypt(string $plaintext, string $password = ''): string;
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/**
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* Decrypts a value and verifies the HMAC (Encrypt-Then-Mac)
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* @param string $authenticatedCiphertext
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* @param string $password Password to encrypt, if not specified the secret from config.php will be taken
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* @return string plaintext
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* @throws \Exception If the HMAC does not match
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* @since 8.0.0
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*/
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public function decrypt(string $authenticatedCiphertext, string $password = ''): string;
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}
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