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path: root/crypto/key_store_test.go
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// Copyright 2014 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum 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.
//
// go-ethereum 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 go-ethereum.  If not, see <http://www.gnu.org/licenses/>.

package crypto

import (
    "encoding/hex"
    "fmt"
    "reflect"
    "testing"

    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/crypto/randentropy"
)

func TestKeyStorePlain(t *testing.T) {
    ks := NewKeyStorePlain(common.DefaultDataDir())
    pass := "" // not used but required by API
    k1, err := ks.GenerateNewKey(randentropy.Reader, pass)
    if err != nil {
        t.Fatal(err)
    }

    k2 := new(Key)
    k2, err = ks.GetKey(k1.Address, pass)
    if err != nil {
        t.Fatal(err)
    }

    if !reflect.DeepEqual(k1.Address, k2.Address) {
        t.Fatal(err)
    }

    if !reflect.DeepEqual(k1.PrivateKey, k2.PrivateKey) {
        t.Fatal(err)
    }

    err = ks.DeleteKey(k2.Address, pass)
    if err != nil {
        t.Fatal(err)
    }
}

func TestKeyStorePassphrase(t *testing.T) {
    ks := NewKeyStorePassphrase(common.DefaultDataDir())
    pass := "foo"
    k1, err := ks.GenerateNewKey(randentropy.Reader, pass)
    if err != nil {
        t.Fatal(err)
    }
    k2 := new(Key)
    k2, err = ks.GetKey(k1.Address, pass)
    if err != nil {
        t.Fatal(err)
    }
    if !reflect.DeepEqual(k1.Address, k2.Address) {
        t.Fatal(err)
    }

    if !reflect.DeepEqual(k1.PrivateKey, k2.PrivateKey) {
        t.Fatal(err)
    }

    err = ks.DeleteKey(k2.Address, pass) // also to clean up created files
    if err != nil {
        t.Fatal(err)
    }
}

func TestKeyStorePassphraseDecryptionFail(t *testing.T) {
    ks := NewKeyStorePassphrase(common.DefaultDataDir())
    pass := "foo"
    k1, err := ks.GenerateNewKey(randentropy.Reader, pass)
    if err != nil {
        t.Fatal(err)
    }

    _, err = ks.GetKey(k1.Address, "bar") // wrong passphrase
    if err == nil {
        t.Fatal(err)
    }

    err = ks.DeleteKey(k1.Address, "bar") // wrong passphrase
    if err == nil {
        t.Fatal(err)
    }

    err = ks.DeleteKey(k1.Address, pass) // to clean up
    if err != nil {
        t.Fatal(err)
    }
}

func TestImportPreSaleKey(t *testing.T) {
    // file content of a presale key file generated with:
    // python pyethsaletool.py genwallet
    // with password "foo"
    fileContent := "{\"encseed\": \"26d87f5f2bf9835f9a47eefae571bc09f9107bb13d54ff12a4ec095d01f83897494cf34f7bed2ed34126ecba9db7b62de56c9d7cd136520a0427bfb11b8954ba7ac39b90d4650d3448e31185affcd74226a68f1e94b1108e6e0a4a91cdd83eba\", \"ethaddr\": \"d4584b5f6229b7be90727b0fc8c6b91bb427821f\", \"email\": \"gustav.simonsson@gmail.com\", \"btcaddr\": \"1EVknXyFC68kKNLkh6YnKzW41svSRoaAcx\"}"
    ks := NewKeyStorePassphrase(common.DefaultDataDir())
    pass := "foo"
    _, err := ImportPreSaleKey(ks, []byte(fileContent), pass)
    if err != nil {
        t.Fatal(err)
    }
}

// Test and utils for the key store tests in the Ethereum JSON tests;
// tests/KeyStoreTests/basic_tests.json
type KeyStoreTestV3 struct {
    Json     encryptedKeyJSONV3
    Password string
    Priv     string
}

type KeyStoreTestV1 struct {
    Json     encryptedKeyJSONV1
    Password string
    Priv     string
}

func TestV3_PBKDF2_1(t *testing.T) {
    tests := loadKeyStoreTestV3("tests/v3_test_vector.json", t)
    testDecryptV3(tests["wikipage_test_vector_pbkdf2"], t)
}

func TestV3_PBKDF2_2(t *testing.T) {
    tests := loadKeyStoreTestV3("../tests/files/KeyStoreTests/basic_tests.json", t)
    testDecryptV3(tests["test1"], t)
}

func TestV3_PBKDF2_3(t *testing.T) {
    tests := loadKeyStoreTestV3("../tests/files/KeyStoreTests/basic_tests.json", t)
    testDecryptV3(tests["python_generated_test_with_odd_iv"], t)
}

func TestV3_PBKDF2_4(t *testing.T) {
    tests := loadKeyStoreTestV3("../tests/files/KeyStoreTests/basic_tests.json", t)
    testDecryptV3(tests["evilnonce"], t)
}

func TestV3_Scrypt_1(t *testing.T) {
    tests := loadKeyStoreTestV3("tests/v3_test_vector.json", t)
    testDecryptV3(tests["wikipage_test_vector_scrypt"], t)
}

func TestV3_Scrypt_2(t *testing.T) {
    tests := loadKeyStoreTestV3("../tests/files/KeyStoreTests/basic_tests.json", t)
    testDecryptV3(tests["test2"], t)
}

func TestV1_1(t *testing.T) {
    tests := loadKeyStoreTestV1("tests/v1_test_vector.json", t)
    testDecryptV1(tests["test1"], t)
}

func TestV1_2(t *testing.T) {
    ks := NewKeyStorePassphrase("tests/v1")
    addr := common.HexToAddress("cb61d5a9c4896fb9658090b597ef0e7be6f7b67e")
    k, err := ks.GetKey(addr, "g")
    if err != nil {
        t.Fatal(err)
    }
    if k.Address != addr {
        t.Fatal(fmt.Errorf("Unexpected address: %v, expected %v", k.Address, addr))
    }

    privHex := hex.EncodeToString(FromECDSA(k.PrivateKey))
    expectedHex := "d1b1178d3529626a1a93e073f65028370d14c7eb0936eb42abef05db6f37ad7d"
    if privHex != expectedHex {
        t.Fatal(fmt.Errorf("Unexpected privkey: %v, expected %v", privHex, expectedHex))
    }
}

func testDecryptV3(test KeyStoreTestV3, t *testing.T) {
    privBytes, _, err := decryptKeyV3(&test.Json, test.Password)
    if err != nil {
        t.Fatal(err)
    }
    privHex := hex.EncodeToString(privBytes)
    if test.Priv != privHex {
        t.Fatal(fmt.Errorf("Decrypted bytes not equal to test, expected %v have %v", test.Priv, privHex))
    }
}

func testDecryptV1(test KeyStoreTestV1, t *testing.T) {
    privBytes, _, err := decryptKeyV1(&test.Json, test.Password)
    if err != nil {
        t.Fatal(err)
    }
    privHex := hex.EncodeToString(privBytes)
    if test.Priv != privHex {
        t.Fatal(fmt.Errorf("Decrypted bytes not equal to test, expected %v have %v", test.Priv, privHex))
    }
}

func loadKeyStoreTestV3(file string, t *testing.T) map[string]KeyStoreTestV3 {
    tests := make(map[string]KeyStoreTestV3)
    err := common.LoadJSON(file, &tests)
    if err != nil {
        t.Fatal(err)
    }
    return tests
}

func loadKeyStoreTestV1(file string, t *testing.T) map[string]KeyStoreTestV1 {
    tests := make(map[string]KeyStoreTestV1)
    err := common.LoadJSON(file, &tests)
    if err != nil {
        t.Fatal(err)
    }
    return tests
}