beaconcrypt

Jul 16, 2026

Changes in this version

type Beacon

+ func (b *Beacon) EncryptToServerSigned(plaintext []byte) ([]byte, error)

type Server

+ func (s *Server) DecryptBeaconMessageSigned(ciphertext []byte) ([]byte, error)

Jul 15, 2026

Changes in this version

+ var ErrClosed = errors.New("beaconcrypt: handle is closed")

+ var ErrCrypto = errors.New("beaconcrypt: cryptographic operation failed")

+ var ErrEmptyData = errors.New("beaconcrypt: input must not be empty")

+ var ErrSeedSize = errors.New("beaconcrypt: server seed must be 32 bytes")

+ type Beacon struct

+ func NewBeacon(serverKID uint64, serverPK []byte) (*Beacon, error)

+ func (b *Beacon) Close()

+ func (b *Beacon) DecryptServerMessage(ciphertext []byte) ([]byte, error)

+ func (b *Beacon) DecryptServerMessageSigned(ciphertext []byte) ([]byte, error)

+ func (b *Beacon) EncryptToServer(plaintext []byte) ([]byte, error)

+ func (b *Beacon) GenerateRegistration() ([]byte, error)

+ func (b *Beacon) ProcessInitialMessage(data []byte) ([]byte, error)

+ type RegistrationResponse struct

+ BeaconPK []byte

+ KeyID uint64

+ Serialized []byte

+ type Server struct

+ func NewServer(serverKID uint64) (*Server, error)

+ func NewServerFromSeed(serverKID uint64, seed []byte) (*Server, error)

+ func (s *Server) Close()

+ func (s *Server) DecryptBeaconMessage(keyID uint64, ciphertext []byte) ([]byte, error)

+ func (s *Server) EncryptToBeacon(keyID uint64, plaintext []byte) ([]byte, error)

+ func (s *Server) EncryptToBeaconSigned(keyID uint64, plaintext []byte) ([]byte, error)

+ func (s *Server) IdentityPK() ([]byte, error)

+ func (s *Server) RegisterBeacon(registration, initialMessage []byte) (*RegistrationResponse, error)