Keccak256Hash calculates and returns the Keccak256 hash of the input data, converting it to an internal Hash data structure.

RegisterSigToPub registers a sigToPub function of type.

SigToPub recovers public key from signature.

ErrSigToPubTypeAlreadyExist is reported if the type is already used.

ErrSigToPubTypeNotFound is reported if the type is already used.

Signature is the basic signature type in DEXON.

PrivateKey describes the asymmetric cryptography interface that interacts with the private key.

PublicKey describes the asymmetric cryptography interface that interacts with the public key.

SigToPubFn is a function to recover public key from signature.