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 
28 DE_BEGIN_EXTERN_C
29 
30 typedef struct deSha1Stream_s
31 {
32 	deUint64	size;
33 	deUint32	hash[5];
34 
35 	deUint32	data[80];
36 } deSha1Stream;
37 
38 typedef struct deSha1_s
39 {
40 	deUint32	hash[5];
41 } deSha1;
42 
43 /* Initialize sha1 stream. */
44 void	deSha1Stream_init			(deSha1Stream* stream);
45 
46 /* Process single 512bit chunk. */
47 void	deSha1Stream_process		(deSha1Stream* stream, size_t size, const void* data);
48 
49 /* Finalize the stream and output the hash. */
50 void	deSha1Stream_finalize		(deSha1Stream* stream, deSha1* hash);
51 
52 /* Compute the sha1 hash from data. */
53 void	deSha1_compute				(deSha1* hash, size_t size, const void* data);
54 
55 /* Render sha1 hash as 40 digit hex string. */
56 void	deSha1_render				(const deSha1* hash, char* buffer);
57 
58 /* Parse sha1 from 40 digit hex string. */
59 deBool	deSha1_parse				(deSha1* hash, const char* buffer);
60 
61 /* Compare hashes for equality. */
62 deBool	deSha1_equal				(const deSha1* a, const deSha1* b);
63 
64 void	deSha1_selfTest				(void);
65 
66 DE_END_EXTERN_C
67 
68 #endif /* _DESHA1_H */
69