package consensus import ( "crypto/sha256" "errors" "github.com/nspcc-dev/neo-go/pkg/crypto/keys" ) // privateKey is a wrapper around keys.PrivateKey // which implements the crypto.PrivateKey interface. type privateKey struct { *keys.PrivateKey } // Sign implements the dbft's crypto.PrivateKey interface. func (p *privateKey) Sign(data []byte) ([]byte, error) { return p.PrivateKey.Sign(data), nil } // publicKey is a wrapper around keys.PublicKey // which implements the crypto.PublicKey interface. type publicKey struct { *keys.PublicKey } // MarshalBinary implements the encoding.BinaryMarshaler interface. func (p publicKey) MarshalBinary() (data []byte, err error) { return p.PublicKey.Bytes(), nil } // UnmarshalBinary implements the encoding.BinaryUnmarshaler interface. func (p *publicKey) UnmarshalBinary(data []byte) error { return p.PublicKey.DecodeBytes(data) } // Verify implements the crypto.PublicKey interface. func (p publicKey) Verify(msg, sig []byte) error { hash := sha256.Sum256(msg) if p.PublicKey.Verify(sig, hash[:]) { return nil } return errors.New("error") }