accounts: add ErrDecrypt

This commit is contained in:
Felix Lange 2016-04-01 22:41:47 +02:00
parent a9f26dcd0d
commit 6f1ca0bc91
6 changed files with 8 additions and 9 deletions

@ -38,6 +38,7 @@ import (
var (
ErrLocked = errors.New("account is locked")
ErrNoMatch = errors.New("no key for given address or file")
ErrDecrypt = errors.New("could not decrypt key with given passphrase")
)
type Account struct {

@ -31,7 +31,6 @@ import (
"crypto/sha256"
"encoding/hex"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"path/filepath"
@ -214,7 +213,7 @@ func decryptKeyV3(keyProtected *encryptedKeyJSONV3, auth string) (keyBytes []byt
calculatedMAC := crypto.Keccak256(derivedKey[16:32], cipherText)
if !bytes.Equal(calculatedMAC, mac) {
return nil, nil, errors.New("Decryption failed: MAC mismatch")
return nil, nil, ErrDecrypt
}
plainText, err := aesCTRXOR(derivedKey[:16], cipherText, iv)
@ -248,7 +247,7 @@ func decryptKeyV1(keyProtected *encryptedKeyJSONV1, auth string) (keyBytes []byt
calculatedMAC := crypto.Keccak256(derivedKey[16:32], cipherText)
if !bytes.Equal(calculatedMAC, mac) {
return nil, nil, errors.New("Decryption failed: MAC mismatch")
return nil, nil, ErrDecrypt
}
plainText, err := aesCBCDecrypt(crypto.Keccak256(derivedKey[:16])[:16], cipherText, iv)

@ -94,8 +94,8 @@ func TestKeyStorePassphraseDecryptionFail(t *testing.T) {
if err != nil {
t.Fatal(err)
}
if _, err = ks.GetKey(k1.Address, account.File, "bar"); err == nil {
t.Fatal("no error for invalid passphrase")
if _, err = ks.GetKey(k1.Address, account.File, "bar"); err != ErrDecrypt {
t.Fatalf("wrong error for invalid passphrase\ngot %q\nwant %q", err, ErrDecrypt)
}
}

@ -22,7 +22,6 @@ import (
"crypto/sha256"
"encoding/hex"
"encoding/json"
"errors"
"fmt"
"github.com/ethereum/go-ethereum/crypto"
@ -106,7 +105,7 @@ func aesCBCDecrypt(key, cipherText, iv []byte) ([]byte, error) {
decrypter.CryptBlocks(paddedPlaintext, cipherText)
plaintext := pkcs7Unpad(paddedPlaintext)
if plaintext == nil {
err = errors.New("Decryption failed: PKCS7Unpad failed after AES decryption")
return nil, ErrDecrypt
}
return plaintext, err
}

@ -263,7 +263,7 @@ func importWallet(ctx *cli.Context) {
acct, err := accman.ImportPreSaleKey(keyJson, passphrase)
if err != nil {
utils.Fatalf("Could not create the account: %v", err)
utils.Fatalf("%v", err)
}
fmt.Printf("Address: {%x}\n", acct.Address)
}

@ -127,7 +127,7 @@ func TestWalletImportBadPassword(t *testing.T) {
geth.expect(`
!! Unsupported terminal, password will be echoed.
Passphrase: {{.InputLine "wrong"}}
Fatal: Could not create the account: Decryption failed: PKCS7Unpad failed after AES decryption
Fatal: could not decrypt key with given passphrase
`)
}