2 This file is part of GNUnet
3 (C) 2012 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
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23 * @file secretsharing/secretsharing_protocol.h
24 * @brief p2p message definitions for secretsharing
25 * @author Florian Dold
28 #ifndef GNUNET_SECRETSHARING_PROTOCOL_H
29 #define GNUNET_SECRETSHARING_PROTOCOL_H
32 #include "gnunet_common.h"
33 #include "gnunet_protocols.h"
36 * Bit length used for the Paillier crypto system.
38 #define PAILLIER_BITS 2048
41 * Big endian representation of the prime field order used
44 #define ELGAMAL_Q_DATA {0x00 /* FIXME */};
47 GNUNET_NETWORK_STRUCT_BEGIN
51 * Public key for the Paillier crypto system.
53 struct PaillierPublicKey
56 * Network order representation of the
59 uint32_t g[PAILLIER_BITS / 8 / sizeof (uint32_t)];
62 * Network order representation of the
65 uint32_t n[PAILLIER_BITS / 8 / sizeof (uint32_t)];
70 * Consensus element data used in the first round of key generation.
72 struct GNUNET_SECRETSHARING_KeygenCommitData
75 * Signature over the rest of the message.
77 struct GNUNET_CRYPTO_EddsaSignature signature;
79 * Signature purpose for signing the keygen commit data.
81 struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
83 * Peer that inserts this element.
85 struct GNUNET_PeerIdentity peer;
87 * Ephemeral paillier public key used by 'peer' for
90 struct PaillierPublicKey pubkey GNUNET_PACKED;
92 * Commitment of 'peer' to his presecret.
94 struct GNUNET_HashCode commitment GNUNET_PACKED;
98 struct GNUNET_SECRETSHARING_KeygenRevealData
101 * Signature over rest of the message.
103 struct GNUNET_CRYPTO_EddsaSignature signature;
105 * Signature purpose for signing the keygen commit data.
107 struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
109 * Peer that inserts this element.
111 struct GNUNET_PeerIdentity peer;
116 GNUNET_NETWORK_STRUCT_END