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/*
sha1.hpp - header of
============
SHA-1 in C++
============
100% Public Domain.
Original C Code
-- Steve Reid <steve@edmweb.com>
Small changes to fit into bglibs
-- Bruce Guenter <bruce@untroubled.org>
Translation to simpler C++ Code
-- Volker Grabsch <vog@notjusthosting.com>
Safety fixes
-- Eugene Hopkinson <slowriot at voxelstorm dot com>
*/
#ifndef WPIUTIL_WPI_SHA1_H_
#define WPIUTIL_WPI_SHA1_H_
#include <stdint.h>
#include <string>
#include <string_view>
namespace wpi {
template <typename T>
class SmallVectorImpl;
class raw_istream;
class SHA1 {
public:
SHA1();
void Update(std::string_view s);
void Update(raw_istream& is);
std::string Final();
std::string_view Final(SmallVectorImpl<char>& buf);
std::string_view RawFinal(SmallVectorImpl<char>& buf);
static std::string FromFile(std::string_view filename);
private:
uint32_t digest[5];
unsigned char buffer[64];
size_t buf_size;
uint64_t transforms;
};
} // namespace wpi
#endif // WPIUTIL_WPI_SHA1_H_