// -*- mode: cpp; mode: fold -*- // Description /*{{{*/ // $Id: sha1.h,v 1.3 2001/05/07 05:05:47 jgg Exp $ /* ###################################################################### SHA1SumValue - Storage for a SHA-1 hash. SHA1Summation - SHA-1 Secure Hash Algorithm. This is a C++ interface to a set of SHA1Sum functions, that mirrors the equivalent MD5 classes. ##################################################################### */ /*}}}*/ #ifndef APTPKG_SHA1_H #define APTPKG_SHA1_H #include <string> #include <cstring> #include <algorithm> #include "hashsum_template.h" #ifndef APT_8_CLEANER_HEADERS using std::string; using std::min; #endif typedef HashSumValue<160> SHA1SumValue; class SHA1Summation : public SummationImplementation { /* assumes 64-bit alignment just in case */ unsigned char Buffer[64] __attribute__((aligned(8))); unsigned char State[5*4] __attribute__((aligned(8))); unsigned char Count[2*4] __attribute__((aligned(8))); bool Done; public: bool Add(const unsigned char *inbuf, unsigned long long inlen); using SummationImplementation::Add; SHA1SumValue Result(); SHA1Summation(); }; #endif