summaryrefslogtreecommitdiff
path: root/toxencryptsave/crypto_pwhash_scryptsalsa208sha256/crypto_scrypt.h
diff options
context:
space:
mode:
Diffstat (limited to 'toxencryptsave/crypto_pwhash_scryptsalsa208sha256/crypto_scrypt.h')
-rw-r--r--toxencryptsave/crypto_pwhash_scryptsalsa208sha256/crypto_scrypt.h93
1 files changed, 93 insertions, 0 deletions
diff --git a/toxencryptsave/crypto_pwhash_scryptsalsa208sha256/crypto_scrypt.h b/toxencryptsave/crypto_pwhash_scryptsalsa208sha256/crypto_scrypt.h
new file mode 100644
index 00000000..3f0b7d72
--- /dev/null
+++ b/toxencryptsave/crypto_pwhash_scryptsalsa208sha256/crypto_scrypt.h
@@ -0,0 +1,93 @@
1#ifdef HAVE_CONFIG_H
2#include "config.h"
3#endif
4#ifdef VANILLA_NACL /* toxcore only uses this when libsodium is unavailable */
5
6/*-
7 * Copyright 2009 Colin Percival
8 * Copyright 2013 Alexander Peslyak
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * This file was originally written by Colin Percival as part of the Tarsnap
33 * online backup system.
34 */
35#ifndef _CRYPTO_SCRYPT_H_
36#define _CRYPTO_SCRYPT_H_
37
38#include <stdint.h>
39
40#define crypto_pwhash_scryptsalsa208sha256_STRPREFIXBYTES 14
41#define crypto_pwhash_scryptsalsa208sha256_STRSETTINGBYTES 57
42#define crypto_pwhash_scryptsalsa208sha256_STRSALTBYTES 32
43#define crypto_pwhash_scryptsalsa208sha256_STRSALTBYTES_ENCODED 43
44#define crypto_pwhash_scryptsalsa208sha256_STRHASHBYTES 32
45#define crypto_pwhash_scryptsalsa208sha256_STRHASHBYTES_ENCODED 43
46
47#define BYTES2CHARS(bytes) ((((bytes) * 8) + 5) / 6)
48
49typedef struct {
50 void * base, * aligned;
51 size_t size;
52} escrypt_region_t;
53
54typedef escrypt_region_t escrypt_local_t;
55
56extern int escrypt_init_local(escrypt_local_t * __local);
57
58extern int escrypt_free_local(escrypt_local_t * __local);
59
60extern void *alloc_region(escrypt_region_t * region, size_t size);
61extern int free_region(escrypt_region_t * region);
62
63typedef int (*escrypt_kdf_t)(escrypt_local_t * __local,
64 const uint8_t * __passwd, size_t __passwdlen,
65 const uint8_t * __salt, size_t __saltlen,
66 uint64_t __N, uint32_t __r, uint32_t __p,
67 uint8_t * __buf, size_t __buflen);
68
69extern int escrypt_kdf_nosse(escrypt_local_t * __local,
70 const uint8_t * __passwd, size_t __passwdlen,
71 const uint8_t * __salt, size_t __saltlen,
72 uint64_t __N, uint32_t __r, uint32_t __p,
73 uint8_t * __buf, size_t __buflen);
74
75extern int escrypt_kdf_sse(escrypt_local_t * __local,
76 const uint8_t * __passwd, size_t __passwdlen,
77 const uint8_t * __salt, size_t __saltlen,
78 uint64_t __N, uint32_t __r, uint32_t __p,
79 uint8_t * __buf, size_t __buflen);
80
81extern uint8_t * escrypt_r(escrypt_local_t * __local,
82 const uint8_t * __passwd, size_t __passwdlen,
83 const uint8_t * __setting,
84 uint8_t * __buf, size_t __buflen);
85
86extern uint8_t * escrypt_gensalt_r(
87 uint32_t __N_log2, uint32_t __r, uint32_t __p,
88 const uint8_t * __src, size_t __srclen,
89 uint8_t * __buf, size_t __buflen);
90
91#endif /* !_CRYPTO_SCRYPT_H_ */
92
93#endif