plugeth/crypto/keypair.go

67 lines
1.9 KiB
Go
Raw Normal View History

2015-07-07 00:54:22 +00:00
// Copyright 2014 The go-ethereum Authors
// This file is part of the go-ethereum library.
2015-07-07 00:54:22 +00:00
//
// The go-ethereum library is free software: you can redistribute it and/or modify
2015-07-07 00:54:22 +00:00
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
2015-07-07 00:54:22 +00:00
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2015-07-07 00:54:22 +00:00
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
2015-07-07 00:54:22 +00:00
2014-10-31 11:37:43 +00:00
package crypto
import (
2014-10-08 10:06:39 +00:00
"strings"
2015-03-16 10:27:38 +00:00
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto/secp256k1"
)
type KeyPair struct {
PrivateKey []byte
PublicKey []byte
address []byte
mnemonic string
// The associated account
// account *StateObject
}
func GenerateNewKeyPair() *KeyPair {
_, prv := secp256k1.GenerateKeyPair()
keyPair, _ := NewKeyPairFromSec(prv) // swallow error, this one cannot err
return keyPair
}
func NewKeyPairFromSec(seckey []byte) (*KeyPair, error) {
pubkey, err := secp256k1.GeneratePubKey(seckey)
if err != nil {
return nil, err
}
return &KeyPair{PrivateKey: seckey, PublicKey: pubkey}, nil
}
func (k *KeyPair) Address() []byte {
if k.address == nil {
2014-10-08 10:06:39 +00:00
k.address = Sha3(k.PublicKey[1:])[12:]
}
return k.address
}
func (k *KeyPair) Mnemonic() string {
if k.mnemonic == "" {
2015-03-16 10:27:38 +00:00
k.mnemonic = strings.Join(MnemonicEncode(common.Bytes2Hex(k.PrivateKey)), " ")
}
return k.mnemonic
}
func (k *KeyPair) AsStrings() (string, string, string, string) {
2015-03-16 10:27:38 +00:00
return k.Mnemonic(), common.Bytes2Hex(k.Address()), common.Bytes2Hex(k.PrivateKey), common.Bytes2Hex(k.PublicKey)
}