xmss_wots_addressed_privatekey.h

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/**

 * XMSS WOTS Addressed Private Key

 * (C) 2016 Matthias Gierlings

 * Botan is released under the Simplified BSD License (see license.txt)

**/

#ifndef BOTAN_XMSS_WOTS_ADDRESSED_PRIVATEKEY_H_

#define BOTAN_XMSS_WOTS_ADDRESSED_PRIVATEKEY_H_

#include <botan/internal/xmss_address.h>

#include <botan/internal/xmss_wots_addressed_publickey.h>

#include <botan/xmss_wots.h>

namespace Botan {

/**

 * Wrapper class to pair an XMSS_WOTS_PrivateKey with an XMSS Address. Since

 * the PK_Ops::Signature interface does not allow an extra address

 * parameter to be passed to the sign(RandomNumberGenerator&), the address

 * needs to be stored together with the key and passed to the

 * XMSS_WOTS_Signature_Operation() on creation.

**/

class XMSS_WOTS_Addressed_PrivateKey final :

      public virtual XMSS_WOTS_Addressed_PublicKey,

      public virtual Private_Key

   public:

      XMSS_WOTS_Addressed_PrivateKey(const XMSS_WOTS_PrivateKey& private_key)

         : XMSS_WOTS_Addressed_PublicKey(private_key),

           m_priv_key(private_key) {}

      XMSS_WOTS_Addressed_PrivateKey(const XMSS_WOTS_PrivateKey& private_key,

                                     const XMSS_Address& adrs)

         : XMSS_WOTS_Addressed_PublicKey(private_key, adrs),

           m_priv_key(private_key) {}

      XMSS_WOTS_Addressed_PrivateKey(XMSS_WOTS_PrivateKey&& private_key)

         : XMSS_WOTS_Addressed_PublicKey(XMSS_WOTS_PublicKey(private_key)),

           m_priv_key(std::move(private_key)) {}

      XMSS_WOTS_Addressed_PrivateKey(XMSS_WOTS_PrivateKey&& private_key,

                                     XMSS_Address&& adrs)

         : XMSS_WOTS_Addressed_PublicKey(XMSS_WOTS_PublicKey(private_key),

                                         std::move(adrs)),

           m_priv_key(std::move(private_key)) {}

      const XMSS_WOTS_PrivateKey& private_key() const { return m_priv_key; }

      XMSS_WOTS_PrivateKey& private_key() { return m_priv_key; }

      AlgorithmIdentifier

      pkcs8_algorithm_identifier() const override

         return m_priv_key.pkcs8_algorithm_identifier();

      secure_vector<uint8_t> private_key_bits() const override

         return m_priv_key.private_key_bits();

   private:

      XMSS_WOTS_PrivateKey m_priv_key;

};

#endif