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-rw-r--r--crypto/key_store_passphrase_test.go51
1 files changed, 51 insertions, 0 deletions
diff --git a/crypto/key_store_passphrase_test.go b/crypto/key_store_passphrase_test.go
new file mode 100644
index 000000000..bcdd58ad9
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+++ b/crypto/key_store_passphrase_test.go
@@ -0,0 +1,51 @@
+// Copyright 2016 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// 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,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// 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/>.
+
+package crypto
+
+import (
+ "testing"
+
+ "github.com/ethereum/go-ethereum/common"
+)
+
+// Tests that a json key file can be decrypted and encrypted in multiple rounds.
+func TestKeyEncryptDecrypt(t *testing.T) {
+ address := common.HexToAddress("f626acac23772cbe04dd578bee681b06bdefb9fa")
+ keyjson := []byte("{\"address\":\"f626acac23772cbe04dd578bee681b06bdefb9fa\",\"crypto\":{\"cipher\":\"aes-128-ctr\",\"ciphertext\":\"1bcf0ab9b14459795ce59f63e63255ffd84dc38d31614a5a78e37144d7e4a17f\",\"cipherparams\":{\"iv\":\"df4c7e225ee2d81adef522013e3fbe24\"},\"kdf\":\"scrypt\",\"kdfparams\":{\"dklen\":32,\"n\":262144,\"p\":1,\"r\":8,\"salt\":\"2909a99dd2bfa7079a4b40991773b1083f8512c0c55b9b63402ab0e3dc8db8b3\"},\"mac\":\"4ecf6a4ad92ae2c016cb7c44abade74799480c3303eb024661270dfefdbc7510\"},\"id\":\"b4718210-9a30-4883-b8a6-dbdd08bd0ceb\",\"version\":3}")
+ password := ""
+
+ // Do a few rounds of decryption and encryption
+ for i := 0; i < 3; i++ {
+ // Try a bad password first
+ if _, err := DecryptKey(keyjson, password+"bad"); err == nil {
+ t.Error("test %d: json key decrypted with bad password", i)
+ }
+ // Decrypt with the correct password
+ key, err := DecryptKey(keyjson, password)
+ if err != nil {
+ t.Errorf("test %d: json key failed to decrypt: %v", i, err)
+ }
+ if key.Address != address {
+ t.Errorf("test %d: key address mismatch: have %x, want %x", i, key.Address, address)
+ }
+ // Recrypt with a new password and start over
+ password += "new data appended"
+ if keyjson, err = EncryptKey(key, password, LightScryptN, LightScryptP); err != nil {
+ t.Errorf("test %d: failed to recrypt key %v", err)
+ }
+ }
+}