source: source/ariba/utility/misc/sha1.h@ 7507

Last change on this file since 7507 was 3690, checked in by mies, 15 years ago

Merged 20090512-mies-connectors changes r3472:r3689 into trunk.

File size: 3.2 KB
Line 
1// [License]
2// 100% free public domain implementation of the SHA-1 algorithm
3// by Dominik Reichl <dominik.reichl@t-online.de>
4// [License]
5/*
6 Version 1.5 - 2005-01-01
7 - 64-bit compiler compatibility added
8 - Made variable wiping optional (define SHA1_WIPE_VARIABLES)
9 - Removed unnecessary variable initializations
10 - ROL32 improvement for the Microsoft compiler (using _rotl)
11
12 ======== Test Vectors (from FIPS PUB 180-1) ========
13
14 SHA1("abc") =
15 A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D
16
17 SHA1("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq") =
18 84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1
19
20 SHA1(A million repetitions of "a") =
21 34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F
22*/
23
24#ifndef ___SHA1_HDR___
25#define ___SHA1_HDR___
26
27#if !defined(SHA1_UTILITY_FUNCTIONS) && !defined(SHA1_NO_UTILITY_FUNCTIONS)
28#define SHA1_UTILITY_FUNCTIONS
29#endif
30
31#include <memory.h> // Needed for memset and memcpy
32#include <boost/cstdint.hpp>
33
34#ifdef SHA1_UTILITY_FUNCTIONS
35#include <stdio.h> // Needed for file access and sprintf
36#include <string.h> // Needed for strcat and strcpy
37#endif
38
39
40// You can define the endian mode in your files, without modifying the SHA1
41// source files. Just #define SHA1_LITTLE_ENDIAN or #define SHA1_BIG_ENDIAN
42// in your files, before including the SHA1.h header file. If you don't
43// define anything, the class defaults to little endian.
44
45#if !defined(SHA1_LITTLE_ENDIAN) && !defined(SHA1_BIG_ENDIAN)
46#define SHA1_LITTLE_ENDIAN
47#endif
48
49// Same here. If you want variable wiping, #define SHA1_WIPE_VARIABLES, if
50// not, #define SHA1_NO_WIPE_VARIABLES. If you don't define anything, it
51// defaults to wiping.
52
53#if !defined(SHA1_WIPE_VARIABLES) && !defined(SHA1_NO_WIPE_VARIABLES)
54#define SHA1_WIPE_VARIABLES
55#endif
56
57/////////////////////////////////////////////////////////////////////////////
58// Define 8- and 32-bit variables
59
60#define UINT_8 uint8_t
61#define UINT_32 uint32_t
62
63/////////////////////////////////////////////////////////////////////////////
64// Declare SHA1 workspace
65
66typedef union
67{
68 UINT_8 c[64];
69 UINT_32 l[16];
70} SHA1_WORKSPACE_BLOCK;
71
72class CSHA1
73{
74public:
75#ifdef SHA1_UTILITY_FUNCTIONS
76 // Two different formats for ReportHash(...)
77 enum
78 {
79 REPORT_HEX = 0,
80 REPORT_DIGIT = 1
81 };
82#endif
83
84 // Constructor and Destructor
85 CSHA1();
86 ~CSHA1();
87
88 UINT_32 m_state[5];
89 UINT_32 m_count[2];
90 UINT_32 __reserved1[1];
91 UINT_8 m_buffer[64];
92 UINT_8 m_digest[20];
93 UINT_32 __reserved2[3];
94
95 void Reset();
96
97 // Update the hash value
98 void Update(UINT_8 *data, UINT_32 len);
99#ifdef SHA1_UTILITY_FUNCTIONS
100
101 bool HashFile(char *szFileName);
102#endif
103
104 // Finalize hash and report
105 void Final();
106
107 // Report functions: as pre-formatted and raw data
108#ifdef SHA1_UTILITY_FUNCTIONS
109
110 void ReportHash(char *szReport, unsigned char uReportType = REPORT_HEX);
111#endif
112
113 void GetHash(UINT_8 *puDest);
114
115private:
116 // Private SHA-1 transformation
117 void Transform(UINT_32 *state, UINT_8 *buffer);
118
119 // Member variables
120 UINT_8 m_workspace[64];
121 SHA1_WORKSPACE_BLOCK *m_block; // SHA1 pointer to the byte array above
122};
123
124#endif
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