hashed_id.hpp

#ifndef CE45A952_0EE7_4D20_82CB_D42BF87F5B15
#define CE45A952_0EE7_4D20_82CB_D42BF87F5B15
 
#include <vanetza/security/sha.hpp>
#include <array>
#include <cstdint>
#include <functional>
#include <string>
 
namespace vanetza
{
namespace security
{
 
using HashedId8 = std::array<uint8_t, 8>;
using HashedId3 = std::array<uint8_t, 3>;
 
HashedId3 truncate(const HashedId8&);
 
HashedId8 create_hashed_id8(const Sha256Digest&);
HashedId8 create_hashed_id8(const Sha384Digest&);
 
std::string to_string(const vanetza::security::HashedId3&);
std::string to_string(const vanetza::security::HashedId8&);
 
} // namespace security
} // namespace vanetza
 
namespace std
{
// std::hash specialization for HashedId3
template<> struct hash<vanetza::security::HashedId3>
{
    size_t operator()(const vanetza::security::HashedId3&) const;
};
 
/// std::hash specialization for HashedId8
template<> struct hash<vanetza::security::HashedId8>
{
    size_t operator()(const vanetza::security::HashedId8&) const;
};
} // namespace std
 
#endif /* CE45A952_0EE7_4D20_82CB_D42BF87F5B15 */