neoneo-go/pkg/consensus/crypto.go
Roman Khimov ee5f8b6c21 consensus: update dbft, drop marshaling from private key
dbft doesn not need this and we must not leak the key in any way.
2022-09-02 14:44:18 +03:00

45 lines
1.1 KiB
Go

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")
}