secretsharing_protocol.h

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/*
      This file is part of GNUnet
      Copyright (C) 2012 GNUnet e.V.
 
      GNUnet is free software: you can redistribute it and/or modify it
      under the terms of the GNU Affero General Public License as published
      by the Free Software Foundation, either version 3 of the License,
      or (at your option) any later version.
 
      GNUnet is distributed in the hope that it will be useful, but
      WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      Affero General Public License for more details.
 
      You should have received a copy of the GNU Affero General Public License
      along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
     SPDX-License-Identifier: AGPL3.0-or-later
 */
 
 
#ifndef GNUNET_SECRETSHARING_PROTOCOL_H
#define GNUNET_SECRETSHARING_PROTOCOL_H
 
#include "platform.h"
#include "gnunet_common.h"
#include "gnunet_protocols.h"
#include "secretsharing.h"
 
 
GNUNET_NETWORK_STRUCT_BEGIN
 
 
struct GNUNET_SECRETSHARING_KeygenCommitData
{
  struct GNUNET_CRYPTO_EddsaSignature signature;
  struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
  struct GNUNET_PeerIdentity peer;
  struct GNUNET_CRYPTO_PaillierPublicKey pubkey;
  struct GNUNET_HashCode commitment GNUNET_PACKED;
};
 
 
struct GNUNET_SECRETSHARING_KeygenRevealData
{
  struct GNUNET_CRYPTO_EddsaSignature signature;
  /*
   * Signature purpose for signing the keygen commit data.
   */
  struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
  struct GNUNET_PeerIdentity peer;
 
  /* values follow */
};
 
 
struct GNUNET_SECRETSHARING_DecryptData
{
  /*
   * Signature over rest of the message.
   */
  struct GNUNET_CRYPTO_EddsaSignature signature;
  /*
   * Signature purpose for signing the keygen commit data.
   */
  struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
  struct GNUNET_SECRETSHARING_Ciphertext ciphertext;
  struct GNUNET_PeerIdentity peer;
  struct GNUNET_SECRETSHARING_FieldElement partial_decryption;
  struct GNUNET_SECRETSHARING_FieldElement nizk_commit1;
  struct GNUNET_SECRETSHARING_FieldElement nizk_commit2;
  struct GNUNET_SECRETSHARING_FieldElement nizk_response;
};
 
 
struct GNUNET_SECRETSHARING_FairEncryption
{
  struct GNUNET_CRYPTO_PaillierCiphertext c;
  char h[GNUNET_SECRETSHARING_ELGAMAL_BITS / 8];
  char t1[GNUNET_SECRETSHARING_ELGAMAL_BITS / 8];
  char t2[GNUNET_CRYPTO_PAILLIER_BITS * 2 / 8];
  char z[GNUNET_SECRETSHARING_ELGAMAL_BITS / 8];
  char w[GNUNET_CRYPTO_PAILLIER_BITS / 8];
};
 
GNUNET_NETWORK_STRUCT_END
 
#endif