tls_cipher.h

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/*
  Copyright (c) 2020, 2024, Oracle and/or its affiliates.
 
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License, version 2.0,
  as published by the Free Software Foundation.
 
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  as designated in a particular file or component or in included license
  documentation.  The authors of MySQL hereby grant you an additional
  permission to link the program and your derivative works with the
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  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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*/
 
#ifndef MYSQL_HARNESS_TLS_CIPHER_H_INCLUDED
#define MYSQL_HARNESS_TLS_CIPHER_H_INCLUDED
 
#include <system_error>
 
#include <openssl/evp.h>
 
#include "mysql/harness/stdx/expected.h"
 
class TlsCipher {
 public:
  using nid_type = int;
 
  TlsCipher(const EVP_CIPHER *cipher) : cipher_{cipher} {}
 
  stdx::expected<size_t, std::error_code> encrypt(
      const uint8_t *src, size_t src_size, uint8_t *dst, const uint8_t *key,
      size_t key_size, const uint8_t *iv, bool padding = true) const;
 
  stdx::expected<size_t, std::error_code> decrypt(
      const uint8_t *src, size_t src_size, uint8_t *dst, const uint8_t *key,
      size_t key_size, const uint8_t *iv, bool padding = true) const;
 
  size_t size(size_t source_length) const;
 
 private:
  const EVP_CIPHER *cipher_;
};
 
#endif