vrf

package

v0.16.3 Latest Latest Go to latest Published: Jan 26, 2022 License: GPL-3.0 Imports: 7 Imported by: 0

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Repository

github.com/AlayaNetwork/Alaya-Go

Documentation ¶

Rendered for

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 ¶

View Source

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

Variables ¶

View Source

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

View Source

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)

Types ¶

This section is empty.

Source Files ¶

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