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1 /* Copyright © 2014 Intel Corporation
2  *
3  * Permission is hereby granted, free of charge, to any person obtaining a
4  * copy of this software and associated documentation files (the "Software"),
5  * to deal in the Software without restriction, including without limitation
6  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
7  * and/or sell copies of the Software, and to permit persons to whom the
8  * Software is furnished to do so, subject to the following conditions:
9  *
10  * The above copyright notice and this permission notice (including the next
11  * paragraph) shall be included in all copies or substantial portions of the
12  * Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20  * DEALINGS IN THE SOFTWARE.
21  */
22 
23 #ifndef MESA_SHA1_H
24 #define MESA_SHA1_H
25 
26 #include <stdlib.h>
27 #include <stdio.h>
28 #include <stdbool.h>
29 #include "sha1/sha1.h"
30 
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34 
35 #define mesa_sha1 _SHA1_CTX
36 #define SHA1_DIGEST_LENGTH32 (SHA1_DIGEST_LENGTH / 4)
37 
38 static inline void
_mesa_sha1_init(struct mesa_sha1 * ctx)39 _mesa_sha1_init(struct mesa_sha1 *ctx)
40 {
41    SHA1Init(ctx);
42 }
43 
44 static inline void
_mesa_sha1_update(struct mesa_sha1 * ctx,const void * data,size_t size)45 _mesa_sha1_update(struct mesa_sha1 *ctx, const void *data, size_t size)
46 {
47    SHA1Update(ctx, (const unsigned char *)data, size);
48 }
49 
50 static inline void
_mesa_sha1_final(struct mesa_sha1 * ctx,unsigned char result[20])51 _mesa_sha1_final(struct mesa_sha1 *ctx, unsigned char result[20])
52 {
53    SHA1Final(result, ctx);
54 }
55 
56 void
57 _mesa_sha1_format(char *buf, const unsigned char *sha1);
58 
59 void
60 _mesa_sha1_hex_to_sha1(unsigned char *buf, const char *hex);
61 
62 void
63 _mesa_sha1_compute(const void *data, size_t size, unsigned char result[20]);
64 
65 void
66 _mesa_sha1_print(FILE *f, const uint8_t sha1[SHA1_DIGEST_LENGTH]);
67 
68 bool
69 _mesa_printed_sha1_equal(const uint8_t sha1[SHA1_DIGEST_LENGTH],
70                          const uint32_t printed_sha1[SHA1_DIGEST_LENGTH32]);
71 
72 #ifdef __cplusplus
73 } /* extern C */
74 #endif
75 
76 #endif
77