aboutsummaryrefslogtreecommitdiff
path: root/src/util/taler-exchange-secmod-eddsa.h
blob: c05d90a6cd3b876260dc7627a378dac67d7a6b16 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
/*
  This file is part of TALER
  Copyright (C) 2020 Taler Systems SA

  TALER is free software; you can redistribute it and/or modify it under the
  terms of the GNU General Public License as published by the Free Software
  Foundation; either version 3, or (at your option) any later version.

  TALER 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 General Public License for more details.

  You should have received a copy of the GNU General Public License along with
  TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
*/
/**
 * @file util/taler-exchange-secmod-eddsa.h
 * @brief IPC messages for the EDDSA crypto helper.
 * @author Christian Grothoff
 */
#ifndef TALER_EXCHANGE_SECMOD_EDDSA_H
#define TALER_EXCHANGE_SECMOD_EDDSA_H

#define TALER_HELPER_EDDSA_MT_PURGE 11
#define TALER_HELPER_EDDSA_MT_AVAIL 12

#define TALER_HELPER_EDDSA_MT_REQ_INIT 14
#define TALER_HELPER_EDDSA_MT_REQ_SIGN 15
#define TALER_HELPER_EDDSA_MT_REQ_REVOKE 16

#define TALER_HELPER_EDDSA_MT_RES_SIGNATURE 17
#define TALER_HELPER_EDDSA_MT_RES_SIGN_FAILURE 18

#define TALER_HELPER_EDDSA_SYNCED 19


GNUNET_NETWORK_STRUCT_BEGIN

/**
 * Message sent if a key is available.
 */
struct TALER_CRYPTO_EddsaKeyAvailableNotification
{
  /**
   * Type is #TALER_HELPER_EDDSA_MT_AVAIL
   */
  struct GNUNET_MessageHeader header;

  /**
   * For now, always zero.
   */
  uint32_t reserved;

  /**
   * When does the key become available?
   */
  struct GNUNET_TIME_TimestampNBO anchor_time;

  /**
   * How long is the key available after @e anchor_time?
   */
  struct GNUNET_TIME_RelativeNBO duration;

  /**
   * Public key used to generate the @e sicm_sig.
   */
  struct TALER_SecurityModulePublicKeyP secm_pub;

  /**
   * Signature affirming the announcement, of
   * purpose #TALER_SIGNATURE_SM_SIGNING_KEY.
   */
  struct TALER_SecurityModuleSignatureP secm_sig;

  /**
   * The public key.
   */
  struct TALER_ExchangePublicKeyP exchange_pub;

};


/**
 * Message sent if a key was purged.
 */
struct TALER_CRYPTO_EddsaKeyPurgeNotification
{
  /**
   * Type is #TALER_HELPER_EDDSA_MT_PURGE.
   */
  struct GNUNET_MessageHeader header;

  /**
   * For now, always zero.
   */
  uint32_t reserved;

  /**
   * The public key.
   */
  struct TALER_ExchangePublicKeyP exchange_pub;

};


/**
 * Message sent if a signature is requested.
 */
struct TALER_CRYPTO_EddsaSignRequest
{
  /**
   * Type is #TALER_HELPER_EDDSA_MT_REQ_SIGN.
   */
  struct GNUNET_MessageHeader header;

  /**
   * For now, always zero.
   */
  uint32_t reserved;

  /**
   * What should be signed over.
   */
  struct GNUNET_CRYPTO_EccSignaturePurpose purpose;

  /* followed by rest of data to sign */
};


/**
 * Message sent if a key was revoked.
 */
struct TALER_CRYPTO_EddsaRevokeRequest
{
  /**
   * Type is #TALER_HELPER_EDDSA_MT_REQ_REVOKE.
   */
  struct GNUNET_MessageHeader header;

  /**
   * For now, always zero.
   */
  uint32_t reserved;

  /**
   * The public key to revoke.
   */
  struct TALER_ExchangePublicKeyP exchange_pub;

};


/**
 * Message sent if a signature was successfully computed.
 */
struct TALER_CRYPTO_EddsaSignResponse
{
  /**
   * Type is #TALER_HELPER_EDDSA_MT_RES_SIGNATURE.
   */
  struct GNUNET_MessageHeader header;

  /**
   * For now, always zero.
   */
  uint32_t reserved;

  /**
   * The public key used for the signature.
   */
  struct TALER_ExchangePublicKeyP exchange_pub;

  /**
   * The public key to use for the signature.
   */
  struct TALER_ExchangeSignatureP exchange_sig;

};


/**
 * Message sent if signing failed.
 */
struct TALER_CRYPTO_EddsaSignFailure
{
  /**
   * Type is #TALER_HELPER_EDDSA_MT_RES_SIGN_FAILURE.
   */
  struct GNUNET_MessageHeader header;

  /**
   * If available, Taler error code. In NBO.
   */
  uint32_t ec;

};


GNUNET_NETWORK_STRUCT_END


#endif