SoftHSMv2/src/lib/crypto/BotanECDHPrivateKey.h

/*
 * Copyright (c) 2010 .SE (The Internet Infrastructure Foundation)
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
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 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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/*****************************************************************************
 BotanECDHPrivateKey.h

 Botan ECDH private key class
 *****************************************************************************/

#ifndef _SOFTHSM_V2_BOTANECDHPRIVATEKEY_H
#define _SOFTHSM_V2_BOTANECDHPRIVATEKEY_H

#include "config.h"
#include "ECPrivateKey.h"
#include <botan/ecdh.h>

class BotanECDHPrivateKey : public ECPrivateKey
{
public:
	// Constructors
	BotanECDHPrivateKey();

	BotanECDHPrivateKey(const Botan::ECDH_PrivateKey* inECKEY);

	// Destructor
	virtual ~BotanECDHPrivateKey();

	// The type
	static const char* type;

	// Check if the key is of the given type
	virtual bool isOfType(const char* inType);

	// Get the base point order length
	virtual unsigned long getOrderLength() const;

	// Setters for the ECDH private key components
	virtual void setD(const ByteString& inD);

	// Setters for the ECDH public key components
	virtual void setEC(const ByteString& inEC);

	// Encode into PKCS#8 DER
	virtual ByteString PKCS8Encode();

	// Decode from PKCS#8 BER
	virtual bool PKCS8Decode(const ByteString& ber);

	// Set from Botan representation
	virtual void setFromBotan(const Botan::ECDH_PrivateKey* inECKEY);

	// Retrieve the Botan representation of the key
	Botan::ECDH_PrivateKey* getBotanKey();

private:
	// The internal Botan representation
	Botan::ECDH_PrivateKey* eckey;

	// Create the Botan representation of the key
	void createBotanKey();
};

#endif // !_SOFTHSM_V2_BOTANECDHPRIVATEKEY_H