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SqMod/module/Library/Crypt/AES.hpp
2020-03-22 01:45:04 +02:00

103 lines
3.4 KiB
C++

#pragma once
// ------------------------------------------------------------------------------------------------
#include "SqBase.hpp"
// ------------------------------------------------------------------------------------------------
#include <aes256.h>
// ------------------------------------------------------------------------------------------------
namespace SqMod {
/* ------------------------------------------------------------------------------------------------
* Simple wrapper around a the AES encryption context.
*/
class AES256
{
public:
/* --------------------------------------------------------------------------------------------
* Default constructor.
*/
AES256();
/* --------------------------------------------------------------------------------------------
* Construct with an explicit key.
*/
AES256(CSStr key);
/* --------------------------------------------------------------------------------------------
* Copy constructor.
*/
AES256(const AES256 & o) = default;
/* --------------------------------------------------------------------------------------------
* Move constructor.
*/
AES256(AES256 && o) = default;
/* --------------------------------------------------------------------------------------------
* Destructor.
*/
~AES256() = default;
/* --------------------------------------------------------------------------------------------
* Copy assignment operator.
*/
AES256 & operator = (const AES256 & o) = default;
/* --------------------------------------------------------------------------------------------
* Move assignment operator.
*/
AES256 & operator = (AES256 && o) = default;
/* --------------------------------------------------------------------------------------------
* Used by the script engine to compare two instances of this type.
*/
Int32 Cmp(const AES256 & o) const;
/* --------------------------------------------------------------------------------------------
* Used by the script engine to convert an instance of this type to a string.
*/
CSStr ToString() const;
/* --------------------------------------------------------------------------------------------
* Retrieve the associated key.
*/
CSStr GetKey() const;
/* --------------------------------------------------------------------------------------------
* Initialize the context key.
*/
bool Init(CSStr key);
/* --------------------------------------------------------------------------------------------
* Reset the associated context.
*/
void Done();
/* --------------------------------------------------------------------------------------------
* Encrypt the specified string.
*/
String Encrypt(CSStr data);
/* --------------------------------------------------------------------------------------------
* Decrypt the specified string.
*/
String Decrypt(CSStr data);
private:
/* --------------------------------------------------------------------------------------------
* The managed encryption context.
*/
aes256_context m_Context;
/* --------------------------------------------------------------------------------------------
* The key used to encrypt data.
*/
Uint8 m_Buffer[32]{0};
};
} // Namespace:: SqMod