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1 | // -*- mode: cpp; mode: fold -*- | |
2 | // Description /*{{{*/ | |
3 | // $Id: sha1.h,v 1.3 2001/05/07 05:05:47 jgg Exp $ | |
4 | /* ###################################################################### | |
5 | ||
6 | SHA1SumValue - Storage for a SHA-1 hash. | |
7 | SHA1Summation - SHA-1 Secure Hash Algorithm. | |
8 | ||
9 | This is a C++ interface to a set of SHA1Sum functions, that mirrors | |
10 | the equivalent MD5 classes. | |
11 | ||
12 | ##################################################################### */ | |
13 | /*}}}*/ | |
14 | #ifndef APTPKG_SHA1_H | |
15 | #define APTPKG_SHA1_H | |
16 | ||
17 | #include "hashsum_template.h" | |
18 | ||
19 | #ifndef APT_10_CLEANER_HEADERS | |
20 | #include <string> | |
21 | #include <cstring> | |
22 | #include <algorithm> | |
23 | #endif | |
24 | #ifndef APT_8_CLEANER_HEADERS | |
25 | using std::string; | |
26 | using std::min; | |
27 | #endif | |
28 | ||
29 | typedef HashSumValue<160> SHA1SumValue; | |
30 | ||
31 | class SHA1Summation : public SummationImplementation | |
32 | { | |
33 | /* assumes 64-bit alignment just in case */ | |
34 | unsigned char Buffer[64] __attribute__((aligned(8))); | |
35 | unsigned char State[5*4] __attribute__((aligned(8))); | |
36 | unsigned char Count[2*4] __attribute__((aligned(8))); | |
37 | bool Done; | |
38 | ||
39 | public: | |
40 | bool Add(const unsigned char *inbuf, unsigned long long inlen) APT_OVERRIDE; | |
41 | using SummationImplementation::Add; | |
42 | ||
43 | SHA1SumValue Result(); | |
44 | ||
45 | SHA1Summation(); | |
46 | }; | |
47 | ||
48 | #endif |