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1 /* Copyright © 2007 Carl Worth
2  * Copyright © 2009 Jeremy Huddleston, Julien Cristau, and Matthieu Herrb
3  * Copyright © 2009-2010 Mikhail Gusarov
4  * Copyright © 2012 Yaakov Selkowitz and Keith Packard
5  * Copyright © 2014 Intel Corporation
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a
8  * copy of this software and associated documentation files (the "Software"),
9  * to deal in the Software without restriction, including without limitation
10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11  * and/or sell copies of the Software, and to permit persons to whom the
12  * Software is furnished to do so, subject to the following conditions:
13  *
14  * The above copyright notice and this permission notice (including the next
15  * paragraph) shall be included in all copies or substantial portions of the
16  * Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
21  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24  * DEALINGS IN THE SOFTWARE.
25  */
26 
27 #include "sha1/sha1.h"
28 #include "mesa-sha1.h"
29 
30 void
_mesa_sha1_compute(const void * data,size_t size,unsigned char result[20])31 _mesa_sha1_compute(const void *data, size_t size, unsigned char result[20])
32 {
33    struct mesa_sha1 ctx;
34 
35    _mesa_sha1_init(&ctx);
36    _mesa_sha1_update(&ctx, data, size);
37    _mesa_sha1_final(&ctx, result);
38 }
39 
40 void
_mesa_sha1_format(char * buf,const unsigned char * sha1)41 _mesa_sha1_format(char *buf, const unsigned char *sha1)
42 {
43    static const char hex_digits[] = "0123456789abcdef";
44    int i;
45 
46    for (i = 0; i < 40; i += 2) {
47       buf[i] = hex_digits[sha1[i >> 1] >> 4];
48       buf[i + 1] = hex_digits[sha1[i >> 1] & 0x0f];
49    }
50    buf[i] = '\0';
51 }
52