56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
#pragma once
|
|
|
|
#include <cstddef>
|
|
#include <cstdint>
|
|
#include <array>
|
|
#include <ostream>
|
|
#include <vector>
|
|
#include <cassert>
|
|
#include <string>
|
|
|
|
struct SHA1Digest {
|
|
std::array<uint8_t, 20> data;
|
|
|
|
SHA1Digest(void) = default;
|
|
SHA1Digest(const std::vector<uint8_t>& v);
|
|
SHA1Digest(const uint8_t* d, size_t s);
|
|
|
|
bool operator==(const SHA1Digest& other) const { return data == other.data; }
|
|
bool operator!=(const SHA1Digest& other) const { return data != other.data; }
|
|
|
|
size_t size(void) const { return data.size(); }
|
|
};
|
|
|
|
std::ostream& operator<<(std::ostream& out, const SHA1Digest& v);
|
|
|
|
namespace std { // inject
|
|
template<> struct hash<SHA1Digest> {
|
|
std::size_t operator()(const SHA1Digest& h) const noexcept {
|
|
return
|
|
size_t(h.data[0]) << (0*8) |
|
|
size_t(h.data[1]) << (1*8) |
|
|
size_t(h.data[2]) << (2*8) |
|
|
size_t(h.data[3]) << (3*8) |
|
|
size_t(h.data[4]) << (4*8) |
|
|
size_t(h.data[5]) << (5*8) |
|
|
size_t(h.data[6]) << (6*8) |
|
|
size_t(h.data[7]) << (7*8)
|
|
;
|
|
}
|
|
};
|
|
} // std
|
|
|
|
struct FT1InfoSHA1 {
|
|
std::string file_name;
|
|
uint64_t file_size {0};
|
|
uint32_t chunk_size {128*1024}; // 128KiB for now
|
|
std::vector<SHA1Digest> chunks;
|
|
|
|
size_t chunkSize(size_t chunk_index) const;
|
|
|
|
std::vector<uint8_t> toBuffer(void) const;
|
|
void fromBuffer(const std::vector<uint8_t>& buffer);
|
|
};
|
|
std::ostream& operator<<(std::ostream& out, const FT1InfoSHA1& v);
|
|
|