WinCNGAESCipher.h

#ifndef TENDUKE_CRYPTO_WIN_CNG_AES_WINCNGAESCIPHER_H
#define TENDUKE_CRYPTO_WIN_CNG_AES_WINCNGAESCIPHER_H
 
#include "crypto/symmetric/aes/AESGCMCipher.h"
#include "utl/DataSink.h"
#include "utl/DataSpan.h"
 
#include <memory>
 
namespace tenduke { namespace crypto { namespace win { namespace cng {
 
class WinCNGAESKey;

class WinCNGAESCipher : public ::tenduke::crypto::aes::AESGCMCipher
{
public:
    explicit WinCNGAESCipher(const WinCNGAESKey &key);
 
    // Ciphers are not copyable
    WinCNGAESCipher(const WinCNGAESCipher &) = delete;
    WinCNGAESCipher &operator=(const WinCNGAESCipher &) = delete;
 
    // Ciphers are movable
    WinCNGAESCipher(WinCNGAESCipher &&) noexcept = default;
    WinCNGAESCipher &operator=(WinCNGAESCipher &&) noexcept = default;
 
    // tenduke::crypto::Cipher implementation
    void decryptData(const ::tenduke::utl::DataSpan &ciphertext, ::tenduke::utl::DataSink &plaintext) const override;
    void encryptData(const ::tenduke::utl::DataSpan &plaintext, ::tenduke::utl::DataSink &ciphertext) const override;
 
    // tenduke::crypto::aes::AESGCMCipher implementation
    void encryptData(
        const ::tenduke::utl::DataSpan &nonce,
        const ::tenduke::utl::DataSpan &plaintext,
        ::tenduke::utl::DataSink &ciphertext
    ) const override;
 
private:
    std::unique_ptr<::tenduke::utl::DataSpan> key;
};
 
}}}}
 
#endif //TENDUKE_CRYPTO_WIN_CNG_AES_WINCNGAESCIPHER_H