GNUnet 0.21.2
crypto_pow.c
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1/*
2 This file is part of GNUnet.
3 Copyright (C) 2012, 2013, 2019 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 */
27#include "platform.h"
28#include "gnunet_util_lib.h"
29#include <sodium.h>
30
41void
43 const void *buf,
44 size_t buf_len,
45 struct GNUNET_HashCode *result)
46{
47 /* Threads hardcoded at 1 in libsodium */
48 GNUNET_break (0 ==
49 crypto_pwhash_argon2id ((unsigned char *) result,
50 sizeof (struct GNUNET_HashCode),
51 buf,
52 buf_len,
53 (unsigned char*) salt,
54 3, /* iterations */
55 1024 * 1024, /* memory (1 MiB) */
56 crypto_pwhash_argon2id_ALG_ARGON2ID13));
57}
58
59
60/* end of crypto_pow.c */
static int result
Global testing status.
static struct GNUNET_CRYPTO_PowSalt salt
Salt for PoW calcualations.
Definition: gnunet-scrypt.c:34
void GNUNET_CRYPTO_pow_hash(const struct GNUNET_CRYPTO_PowSalt *salt, const void *buf, size_t buf_len, struct GNUNET_HashCode *result)
Calculate the 'proof-of-work' hash (an expensive hash).
Definition: crypto_pow.c:42
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur.
Value for a salt for GNUNET_CRYPTO_pow_hash().
A 512-bit hashcode.