vrf

Documentation

Index

• Constants
• Variables
• func ECP2OS(Bx, By *big.Int) []byte
• func ECVRF_decode_proof(pi []byte) (x *big.Int, y *big.Int, c *big.Int, s *big.Int, err error)
• func ECVRF_hash_points(ps ...[]byte) *big.Int
• func ECVRF_hash_to_curve(m []byte, pk []byte) (x, y *big.Int)
• func G() (x, y *big.Int)
• func I2OSP(b *big.Int, n int) []byte
• func OS2ECP(os []byte) (Bx, By *big.Int)
• func OS2IP(os []byte) *big.Int
• func ProofToHash(pi []byte) []byte
• func Prove(key *ecdsa.PrivateKey, data []byte) ([]byte, error)
• func Verify(key *ecdsa.PublicKey, pi []byte, data []byte) (bool, error)

Constants

const (
	N2 = 32 // ceil(log2(q) / 8)
	N  = N2 / 2
)

Variables

var (
	ErrMalformedInput = errors.New("ECVRF: malformed input")
	ErrDecodeError    = errors.New("ECVRF: decode error")
	ErrInternalError  = errors.New("ECVRF: internal error")
)

var (
	NotSupportKey = errors.New("Unsupported key type")
)

Functions

func ECP2OS

func ECP2OS(Bx, By *big.Int) []byte

func ECVRF_decode_proof

func ECVRF_decode_proof(pi []byte) (x *big.Int, y *big.Int, c *big.Int, s *big.Int, err error)

func ECVRF_hash_points

func ECVRF_hash_points(ps ...[]byte) *big.Int

func ECVRF_hash_to_curve

func ECVRF_hash_to_curve(m []byte, pk []byte) (x, y *big.Int)

func G

func G() (x, y *big.Int)

func I2OSP

func I2OSP(b *big.Int, n int) []byte

func OS2ECP

func OS2ECP(os []byte) (Bx, By *big.Int)

func OS2IP

func OS2IP(os []byte) *big.Int

func ProofToHash

func ProofToHash(pi []byte) []byte

func Prove

func Prove(key *ecdsa.PrivateKey, data []byte) ([]byte, error)

func Verify

func Verify(key *ecdsa.PublicKey, pi []byte, data []byte) (bool, error)