EcdhGenericMapping.h

gehe zur Dokumentation dieser Datei

 
#pragma once
 
#include "pace/DomainParameterMapping.h"
 
#include <openssl/ec.h>
#include <QByteArray>
#include <QSharedPointer>
 
namespace governikus
{
 
//
// Algorithm according to TR 03110 Part 3 chapter A.3.4.1.Generic Mapping
//
class EcdhGenericMapping
    : public DomainParameterMapping<EC_GROUP>
{
    private:
        const QSharedPointer<EC_GROUP> mCurve;
        QSharedPointer<EC_KEY> mTerminalKey;
 
        QSharedPointer<EC_POINT> createNewGenerator(const QSharedPointer<const EC_POINT>& pCardPubKey, const QSharedPointer<const BIGNUM>& pS);
 
        void setGenerator(const QSharedPointer<const EC_POINT>& pNewGenerator);
 
    public:
        explicit EcdhGenericMapping(const QSharedPointer<EC_GROUP>& pCurve);
        ~EcdhGenericMapping() override = default;
 
        QByteArray generateTerminalMappingData() override;
 
        QSharedPointer<EC_GROUP> generateEphemeralDomainParameters(const QByteArray& pCardMappingData, const QByteArray& pNonce) override;
};
 
} // namespace governikus