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
|
/* This file is part of libbrandt.
* Copyright (C) 2016 GNUnet e.V.
*
* libbrandt 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 of the License, or (at your option) any later
* version.
*
* libbrandt 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
* libbrandt. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file brandt.c
* @brief Implementation of the high level libbrandt interface.
* @author Markus Teich
*/
#include "brandt_config.h"
#include "crypto.h"
#include "internals.h"
#include "util.h"
void
BRANDT_init (struct GNUNET_CRYPTO_EccDlogContext *dlogctx)
{
gcry_error_t err = 0;
if (!gcry_check_version ("1.7.0"))
eprintf ("libgcrypt version mismatch");
/* SECMEM cannot be resized dynamically. We do not know how much we need */
if ((err = gcry_control (GCRYCTL_DISABLE_SECMEM, 0)))
weprintf ("failed to set libgcrypt option DISABLE_SECMEM: %s",
gcry_strerror (err));
/* ecc is slow otherwise and we don't create long term keys anyway. */
if ((err = gcry_control (GCRYCTL_ENABLE_QUICK_RANDOM, 0)))
weprintf ("failed to set libgcrypt option ENABLE_QUICK_RANDOM: %s",
gcry_strerror (err));
gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
brandt_crypto_init (dlogctx);
}
void
BRANDT_got_message (struct BRANDT_Auction *auction,
uint16_t sender,
const unsigned char *msg,
size_t msg_len)
{
uint16_t mtype = *(uint16_t *)msg;
int atype;
int outcome;
enum rounds round = auction->cur_round;
atype = auction->desc->m > 0 ? auction_mPlusFirstPrice : auction_firstPrice;
outcome = auction->desc->outcome_public ? outcome_public : outcome_private;
/** \todo: cache out of order messages */
if (!handler_in[atype][outcome][round] ||
!handler_in[atype][outcome][round](auction,
msg + sizeof (mtype),
msg_len - sizeof (mtype),
sender))
{
/** \todo */
weprintf ("wow fail");
}
}
|
