61 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library 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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// The go-ethereum library 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 the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package keystore
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import (
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	"io/ioutil"
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	"testing"
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	"github.com/ethereum/go-ethereum/common"
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)
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const (
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	veryLightScryptN = 2
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	veryLightScryptP = 1
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)
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// Tests that a json key file can be decrypted and encrypted in multiple rounds.
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func TestKeyEncryptDecrypt(t *testing.T) {
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	keyjson, err := ioutil.ReadFile("testdata/very-light-scrypt.json")
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	if err != nil {
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		t.Fatal(err)
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	}
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	password := ""
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	address := common.HexToAddress("45dea0fb0bba44f4fcf290bba71fd57d7117cbb8")
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	// Do a few rounds of decryption and encryption
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	for i := 0; i < 3; i++ {
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		// Try a bad password first
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		if _, err := DecryptKey(keyjson, password+"bad"); err == nil {
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			t.Errorf("test %d: json key decrypted with bad password", i)
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		}
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		// Decrypt with the correct password
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		key, err := DecryptKey(keyjson, password)
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		if err != nil {
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			t.Fatalf("test %d: json key failed to decrypt: %v", i, err)
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		}
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		if key.Address != address {
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			t.Errorf("test %d: key address mismatch: have %x, want %x", i, key.Address, address)
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		}
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		// Recrypt with a new password and start over
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		password += "new data appended"
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		if keyjson, err = EncryptKey(key, password, veryLightScryptN, veryLightScryptP); err != nil {
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			t.Errorf("test %d: failed to recrypt key %v", i, err)
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		}
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	}
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}
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