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
|
/* Copyright © 2007 Carl Worth
* Copyright © 2009 Jeremy Huddleston, Julien Cristau, and Matthieu Herrb
* Copyright © 2009-2010 Mikhail Gusarov
* Copyright © 2012 Yaakov Selkowitz and Keith Packard
* Copyright © 2014 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "sha1/sha1.h"
#include "mesa-sha1.h"
struct mesa_sha1 *
_mesa_sha1_init(void)
{
SHA1_CTX *ctx = malloc(sizeof(*ctx));
if (!ctx)
return NULL;
SHA1Init(ctx);
return (struct mesa_sha1 *) ctx;
}
int
_mesa_sha1_update(struct mesa_sha1 *ctx, const void *data, int size)
{
SHA1_CTX *sha1_ctx = (SHA1_CTX *) ctx;
SHA1Update(sha1_ctx, data, size);
return 1;
}
int
_mesa_sha1_final(struct mesa_sha1 *ctx, unsigned char result[20])
{
SHA1_CTX *sha1_ctx = (SHA1_CTX *) ctx;
SHA1Final(result, sha1_ctx);
free(sha1_ctx);
return 1;
}
void
_mesa_sha1_compute(const void *data, size_t size, unsigned char result[20])
{
struct mesa_sha1 *ctx;
ctx = _mesa_sha1_init();
_mesa_sha1_update(ctx, data, size);
_mesa_sha1_final(ctx, result);
}
char *
_mesa_sha1_format(char *buf, const unsigned char *sha1)
{
static const char hex_digits[] = "0123456789abcdef";
int i;
for (i = 0; i < 40; i += 2) {
buf[i] = hex_digits[sha1[i >> 1] >> 4];
buf[i + 1] = hex_digits[sha1[i >> 1] & 0x0f];
}
buf[i] = '\0';
return buf;
}
|
