rom_hash.h

Go to the documentation of this file.

#ifndef YAZE_UTIL_ROM_HASH_H
#define YAZE_UTIL_ROM_HASH_H
 
#include <cstddef>
#include <cstdint>
#include <string>
#include <string_view>
 
namespace yaze::util {
 
// Standard IEEE CRC32; new identities always use this algorithm.
uint32_t CalculateCrc32(const uint8_t* data, size_t size);
std::string ComputeRomHash(const uint8_t* data, size_t size);
 
enum class RomHashMatch { kMismatch, kCrc32, kLegacyCrc32, kSha1 };
 
// Hashes of one loaded-ROM identity, captured before pending edits. The legacy
// value exists only to verify old untagged project hashes, never to mint new ones.
struct RomIdentityHashes {
  std::string crc32;
  std::string legacy_crc32;
  std::string sha1;
 
  RomHashMatch Match(std::string_view expected) const;
};
RomIdentityHashes ComputeRomIdentityHashes(const uint8_t* data, size_t size);
 
std::string ComputeSha1Hex(const uint8_t* data, size_t size);
 
std::string ComputeFileSha1Hex(const std::string& path);
 
}  // namespace yaze::util
 
#endif  // YAZE_UTIL_ROM_HASH_H