1#ifndef _DESHA1_H
2#define _DESHA1_H
3/*-------------------------------------------------------------------------
4 * drawElements Base Portability Library
5 * -------------------------------------
6 *
7 * Copyright 2015 The Android Open Source Project
8 *
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
12 *
13 *      http://www.apache.org/licenses/LICENSE-2.0
14 *
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 *
21 *//*!
22 * \file
23 * \brief SHA1 hash functions.
24 *//*--------------------------------------------------------------------*/
25
26#include "deDefs.h"
27
28DE_BEGIN_EXTERN_C
29
30typedef struct deSha1Stream_s
31{
32	deUint64	size;
33	deUint32	hash[5];
34
35	deUint32	data[80];
36} deSha1Stream;
37
38typedef struct deSha1_s
39{
40	deUint32	hash[5];
41} deSha1;
42
43/* Initialize sha1 stream. */
44void	deSha1Stream_init			(deSha1Stream* stream);
45
46/* Process single 512bit chunk. */
47void	deSha1Stream_process		(deSha1Stream* stream, size_t size, const void* data);
48
49/* Finalize the stream and output the hash. */
50void	deSha1Stream_finalize		(deSha1Stream* stream, deSha1* hash);
51
52/* Compute the sha1 hash from data. */
53void	deSha1_compute				(deSha1* hash, size_t size, const void* data);
54
55/* Render sha1 hash as 40 digit hex string. */
56void	deSha1_render				(const deSha1* hash, char* buffer);
57
58/* Parse sha1 from 40 digit hex string. */
59deBool	deSha1_parse				(deSha1* hash, const char* buffer);
60
61/* Compare hashes for equality. */
62deBool	deSha1_equal				(const deSha1* a, const deSha1* b);
63
64void	deSha1_selfTest				(void);
65
66DE_END_EXTERN_C
67
68#endif /* _DESHA1_H */
69