Cipher.h

#ifndef TENDUKE_CRYPTO_CIPHER_H
#define TENDUKE_CRYPTO_CIPHER_H
 
#include "../utl/DataSpan.h"
#include "../utl/DataSink.h"
 
 
namespace tenduke { namespace crypto {

class Cipher
{
public:
    virtual ~Cipher() = default;
    explicit Cipher() = default;
 
    // Ciphers are not copyable
    Cipher(const Cipher&) = delete;
    Cipher& operator=(const Cipher&) = delete;
 
    // Ciphers are movable
    Cipher(Cipher&& other) noexcept = default;
    Cipher& operator=(Cipher&& other) noexcept = default;

    virtual void decryptData(
        const ::tenduke::utl::DataSpan& ciphertext,
        ::tenduke::utl::DataSink& plaintext
    ) const = 0;

    virtual void encryptData(
        const ::tenduke::utl::DataSpan& plaintext,
        ::tenduke::utl::DataSink& ciphertext
    ) const = 0;;
};
 
}}
 
#endif //TENDUKE_CRYPTO_CIPHER_H