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