secp256k1

Documentation

Index

• Constants
• func EcRecover(msg, signature []byte) ([]byte, error)
• func GenerateKey() ([]byte, error)
• func GenerateKeyFromSeed(seed io.Reader) ([]byte, error)
• func PublicKey(sk []byte) []byte
• func Sign(sk, msg []byte) ([]byte, error)

Constants

const PrivateKeyBytes = 32

PrivateKeyBytes is the size of a serialized private key.

Functions

func EcRecover

func EcRecover(msg, signature []byte) ([]byte, error)

EcRecover recovers the public key from a message, signature pair.

func GenerateKey

func GenerateKey() ([]byte, error)

GenerateKey creates a new key using secure randomness from crypto.rand.

func GenerateKeyFromSeed

func GenerateKeyFromSeed(seed io.Reader) ([]byte, error)

GenerateKeyFromSeed generates a new key from the given reader.

func PublicKey

func PublicKey(sk []byte) []byte

PublicKey returns the public key for this private key.

func Sign

func Sign(sk, msg []byte) ([]byte, error)

Sign signs the given message, which must be 32 bytes long.