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https://github.com/codership/wsrep-lib.git
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e7d72ae7f6
* Created interface class for encryption support * Implemented function for setting enc key to provider, callback function for encryption/decryption
68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
/*
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* Copyright (C) 2019 Codership Oy <info@codership.com>
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*
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* This file is part of wsrep-lib.
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*
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* Wsrep-lib is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* Wsrep-lib 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with wsrep-lib. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef WSREP_ENCRYPTION_SERVICE_HPP
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#define WSREP_ENCRYPTION_SERVICE_HPP
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#include "buffer.hpp"
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namespace wsrep
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{
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/**
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* Encryption service.
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*/
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class encryption_service
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{
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public:
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virtual ~encryption_service() { }
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/**
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* Encryption/decryption callback. Can be NULL for no encryption.
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*
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* @param ctx Encryption context
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* @param key Key used in encryption/decryption
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* @param iv IV vector
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* @param input Input data buffer
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* @param output An output buffer, must be at least the size of the input
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* data plus unwritten bytes from the previous call(s).
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* @param encrypt Flag used to either encrypt or decrypt data
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* @param last true if this is the last buffer to encrypt/decrypt
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*
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* @return Number of bytes written to output or a negative error code.
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*/
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virtual int do_crypt(void** ctx,
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wsrep::const_buffer& key,
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const char (*iv)[32],
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wsrep::const_buffer& input,
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void* output,
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bool encrypt,
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bool last) = 0;
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/**
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* Is encryption enabled on server.
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*
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* @return True if encryption is enabled. False otherwise
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*/
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virtual bool encryption_enabled() = 0;
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};
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}
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#endif // WSREP_ENCRYPTION_SERVICE_HPP
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