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authorMartin Schanzenbach <schanzen@gnunet.org>2023-10-19 10:00:01 +0200
committerMartin Schanzenbach <schanzen@gnunet.org>2023-10-19 10:00:01 +0200
commita93ccc1ebb57f50ce6e90c7f0e57a3e58020b05e (patch)
tree8d1db5360aeb85b2c41e507869d1d3383c6999c5 /src/scalarproduct/gnunet-service-scalarproduct.h
parent98c00bad3d29a80c514818615c224a29307400cc (diff)
downloadgnunet-a93ccc1ebb57f50ce6e90c7f0e57a3e58020b05e.tar.gz
gnunet-a93ccc1ebb57f50ce6e90c7f0e57a3e58020b05e.zip
BUILD: Move scalarproduct to contrib/service
Diffstat (limited to 'src/scalarproduct/gnunet-service-scalarproduct.h')
-rw-r--r--src/scalarproduct/gnunet-service-scalarproduct.h142
1 files changed, 0 insertions, 142 deletions
diff --git a/src/scalarproduct/gnunet-service-scalarproduct.h b/src/scalarproduct/gnunet-service-scalarproduct.h
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1/*
2 This file is part of GNUnet.
3 Copyright (C) 2013, 2014 GNUnet e.V.
4
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
9
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
14
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18 SPDX-License-Identifier: AGPL3.0-or-later
19 */
20/**
21 * @file scalarproduct/gnunet-service-scalarproduct.h
22 * @brief scalarproduct service P2P messages
23 * @author Christian M. Fuchs
24 * @author Christian Grothoff
25 */
26#ifndef GNUNET_SERVICE_SCALARPRODUCT_H
27#define GNUNET_SERVICE_SCALARPRODUCT_H
28
29
30GNUNET_NETWORK_STRUCT_BEGIN
31
32/**
33 * Message type passed from requesting service Alice to responding
34 * service Bob to initiate a request and make Bob participate in our
35 * protocol. Afterwards, Bob is expected to perform the set
36 * intersection with Alice. Once that has succeeded, Alice will
37 * send a `struct AliceCryptodataMessage *`. Bob is not expected
38 * to respond via CADET in the meantime.
39 */
40struct ServiceRequestMessage
41{
42 /**
43 * Type is #GNUNET_MESSAGE_TYPE_SCALARPRODUCT_SESSION_INITIALIZATION
44 */
45 struct GNUNET_MessageHeader header;
46
47 /**
48 * For alignment. Always zero.
49 */
50 uint32_t reserved;
51
52 /**
53 * The transaction/session key used to identify a session
54 */
55 struct GNUNET_HashCode session_id;
56
57 /**
58 * Alice's public key
59 */
60 struct GNUNET_CRYPTO_PaillierPublicKey public_key;
61};
62
63
64/**
65 * Vector of Pallier-encrypted values sent by Alice to Bob
66 * (after set intersection). Alice may send messages of this
67 * type repeatedly to transmit all values.
68 */
69struct AliceCryptodataMessage
70{
71 /**
72 * Type is #GNUNET_MESSAGE_TYPE_SCALARPRODUCT_ALICE_CRYPTODATA
73 */
74 struct GNUNET_MessageHeader header;
75
76 /**
77 * How many elements we appended to this message? In NBO.
78 */
79 uint32_t contained_element_count GNUNET_PACKED;
80
81 /**
82 * struct GNUNET_CRYPTO_PaillierCiphertext[contained_element_count]
83 */
84};
85
86
87/**
88 * Message type passed from responding service Bob to responding
89 * service Alice to complete a request and allow Alice to compute the
90 * result. If Bob's reply does not fit into this one message, the
91 * conversation may be continued with `struct BobCryptodataMultipartMessage`
92 * messages afterwards.
93 */
94struct BobCryptodataMessage
95{
96 /**
97 * GNUNET message header with type
98 * #GNUNET_MESSAGE_TYPE_SCALARPRODUCT_BOB_CRYPTODATA.
99 */
100 struct GNUNET_MessageHeader header;
101
102 /**
103 * How many elements this individual message delivers (in NBO).
104 */
105 uint32_t contained_element_count GNUNET_PACKED;
106
107 /**
108 * followed by s | s' | k[i][perm]
109 */
110};
111
112
113/**
114 * Multipart Message type passed between to supply additional elements
115 * for the peer. Send from Bob to Alice with additional elements
116 * of k[i][perm] after his `struct BobCryptodataMessage *`.
117 * Once all k-values have been transmitted, Bob is finished and
118 * Alice can transmit the final result to the client.
119 */
120struct BobCryptodataMultipartMessage
121{
122 /**
123 * GNUNET message header
124 */
125 struct GNUNET_MessageHeader header;
126
127 /**
128 * How many elements we supply within this message? In NBO.
129 */
130 uint32_t contained_element_count GNUNET_PACKED;
131
132 /**
133 * Followed by `struct
134 * GNUNET_CRYPTO_PaillierCiphertext[contained_element_count]`
135 */
136};
137
138
139GNUNET_NETWORK_STRUCT_END
140
141
142#endif