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refactor keycrypters

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This commit is contained in:
Craig Raw 2020-05-17 12:52:14 +02:00
parent 6b09dc0293
commit ae01fe9ee6
7 changed files with 20 additions and 13 deletions
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2
drongo

@ -1 +1 @@
Subproject commit 312143cb611fefce4e75654266f90cfd3b37b09e Subproject commit e20501d95422bb4ef76002cb7a42c46b856143d9

2
src/main/java/com/sparrowwallet/sparrow/AppController.java
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@ -247,7 +247,7 @@ public class AppController implements Initializable {
} }
password = optionalPassword.get(); password = optionalPassword.get();
ECKey encryptionFullKey = ECIESKeyCrypter.deriveECKey(password); ECKey encryptionFullKey = Pbkdf2KeyDeriver.DEFAULT_INSTANCE.deriveECKey(password);
wallet = Storage.getStorage().loadWallet(file, encryptionFullKey); wallet = Storage.getStorage().loadWallet(file, encryptionFullKey);
encryptionPubKey = ECKey.fromPublicOnly(encryptionFullKey); encryptionPubKey = ECKey.fromPublicOnly(encryptionFullKey);
} else { } else {

2
src/main/java/com/sparrowwallet/sparrow/io/ECIESInputStream.java
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@ -43,7 +43,7 @@ public class ECIESInputStream extends FilterInputStream {
byte[] encryptedBytes = ByteStreams.toByteArray(in); byte[] encryptedBytes = ByteStreams.toByteArray(in);
in.close(); in.close();
ECIESKeyCrypter keyCrypter = new ECIESKeyCrypter(); ECIESKeyCrypter keyCrypter = new ECIESKeyCrypter();
byte[] decryptedBytes = keyCrypter.decrypt(new EncryptedData(encryptionMagic, encryptedBytes, null), decryptionKey); byte[] decryptedBytes = keyCrypter.decrypt(new EncryptedData(encryptionMagic, encryptedBytes, null, null), decryptionKey);
in = new ByteArrayInputStream(decryptedBytes); in = new ByteArrayInputStream(decryptedBytes);
decrypted = true; decrypted = true;
} }

12
src/main/java/com/sparrowwallet/sparrow/io/Electrum.java
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@ -56,7 +56,7 @@ public class Electrum implements KeystoreFileImport, WalletImport, WalletExport
public Wallet importWallet(InputStream inputStream, String password) throws ImportException { public Wallet importWallet(InputStream inputStream, String password) throws ImportException {
Reader reader; Reader reader;
if(password != null) { if(password != null) {
ECKey decryptionKey = ECIESKeyCrypter.deriveECKey(password); ECKey decryptionKey = Pbkdf2KeyDeriver.DEFAULT_INSTANCE.deriveECKey(password);
reader = new InputStreamReader(new InflaterInputStream(new ECIESInputStream(inputStream, decryptionKey))); reader = new InputStreamReader(new InflaterInputStream(new ECIESInputStream(inputStream, decryptionKey)));
} else { } else {
reader = new InputStreamReader(inputStream); reader = new InputStreamReader(inputStream);
@ -163,9 +163,15 @@ public class Electrum implements KeystoreFileImport, WalletImport, WalletExport
} }
private String decrypt(String encrypted, String password) { private String decrypt(String encrypted, String password) {
byte[] passwordHash = Utils.sha256sha256(password.getBytes(StandardCharsets.UTF_8)); KeyDeriver keyDeriver = new DoubleSha256KeyDeriver();
Key key = keyDeriver.deriveKey(password);
byte[] encryptedBytes = Base64.getDecoder().decode(encrypted); byte[] encryptedBytes = Base64.getDecoder().decode(encrypted);
byte[] decrypted = Utils.decryptAesCbcPkcs7(Arrays.copyOfRange(encryptedBytes, 0, 16), Arrays.copyOfRange(encryptedBytes, 16, encryptedBytes.length), passwordHash);
KeyCrypter keyCrypter = new AESKeyCrypter();
byte[] initializationVector = Arrays.copyOfRange(encryptedBytes, 0, 16);
byte[] cipher = Arrays.copyOfRange(encryptedBytes, 16, encryptedBytes.length);
EncryptedData data = new EncryptedData(initializationVector, cipher, null, keyDeriver.getDeriverType(), keyCrypter.getCrypterType());
byte[] decrypted = keyCrypter.decrypt(data, key);
return new String(decrypted, StandardCharsets.UTF_8); return new String(decrypted, StandardCharsets.UTF_8);
} }

4
src/main/java/com/sparrowwallet/sparrow/wallet/SettingsController.java
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@ -1,8 +1,8 @@
package com.sparrowwallet.sparrow.wallet; package com.sparrowwallet.sparrow.wallet;
import com.google.common.eventbus.Subscribe; import com.google.common.eventbus.Subscribe;
import com.sparrowwallet.drongo.crypto.ECIESKeyCrypter;
import com.sparrowwallet.drongo.crypto.ECKey; import com.sparrowwallet.drongo.crypto.ECKey;
import com.sparrowwallet.drongo.crypto.Pbkdf2KeyDeriver;
import com.sparrowwallet.drongo.policy.Policy; import com.sparrowwallet.drongo.policy.Policy;
import com.sparrowwallet.drongo.policy.PolicyType; import com.sparrowwallet.drongo.policy.PolicyType;
import com.sparrowwallet.drongo.protocol.ScriptType; import com.sparrowwallet.drongo.protocol.ScriptType;
@ -273,7 +273,7 @@ public class SettingsController extends WalletFormController implements Initiali
return Optional.of(WalletForm.NO_PASSWORD_KEY); return Optional.of(WalletForm.NO_PASSWORD_KEY);
} }
ECKey encryptionFullKey = ECIESKeyCrypter.deriveECKey(password.get()); ECKey encryptionFullKey = Pbkdf2KeyDeriver.DEFAULT_INSTANCE.deriveECKey(password.get());
ECKey encryptionPubKey = ECKey.fromPublicOnly(encryptionFullKey); ECKey encryptionPubKey = ECKey.fromPublicOnly(encryptionFullKey);
if(existingPubKey != null && !WalletForm.NO_PASSWORD_KEY.equals(existingPubKey) && !existingPubKey.equals(encryptionPubKey)) { if(existingPubKey != null && !WalletForm.NO_PASSWORD_KEY.equals(existingPubKey) && !existingPubKey.equals(encryptionPubKey)) {

4
src/main/java/com/sparrowwallet/sparrow/wallet/WalletForm.java
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@ -1,7 +1,7 @@
package com.sparrowwallet.sparrow.wallet; package com.sparrowwallet.sparrow.wallet;
import com.sparrowwallet.drongo.crypto.ECIESKeyCrypter;
import com.sparrowwallet.drongo.crypto.ECKey; import com.sparrowwallet.drongo.crypto.ECKey;
import com.sparrowwallet.drongo.crypto.Pbkdf2KeyDeriver;
import com.sparrowwallet.drongo.wallet.Wallet; import com.sparrowwallet.drongo.wallet.Wallet;
import com.sparrowwallet.sparrow.io.Storage; import com.sparrowwallet.sparrow.io.Storage;
@ -9,7 +9,7 @@ import java.io.File;
import java.io.IOException; import java.io.IOException;
public class WalletForm { public class WalletForm {
public static final ECKey NO_PASSWORD_KEY = ECKey.fromPublicOnly(ECIESKeyCrypter.deriveECKey("")); public static final ECKey NO_PASSWORD_KEY = ECKey.fromPublicOnly(Pbkdf2KeyDeriver.DEFAULT_INSTANCE.deriveECKey(""));
private final File walletFile; private final File walletFile;
private ECKey encryptionPubKey; private ECKey encryptionPubKey;

7
src/test/java/com/sparrowwallet/sparrow/io/StorageTest.java
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@ -3,6 +3,7 @@ package com.sparrowwallet.sparrow.io;
import com.sparrowwallet.drongo.Utils; import com.sparrowwallet.drongo.Utils;
import com.sparrowwallet.drongo.crypto.ECIESKeyCrypter; import com.sparrowwallet.drongo.crypto.ECIESKeyCrypter;
import com.sparrowwallet.drongo.crypto.ECKey; import com.sparrowwallet.drongo.crypto.ECKey;
import com.sparrowwallet.drongo.crypto.Pbkdf2KeyDeriver;
import com.sparrowwallet.drongo.policy.PolicyType; import com.sparrowwallet.drongo.policy.PolicyType;
import com.sparrowwallet.drongo.protocol.ScriptType; import com.sparrowwallet.drongo.protocol.ScriptType;
import com.sparrowwallet.drongo.wallet.MnemonicException; import com.sparrowwallet.drongo.wallet.MnemonicException;
@ -15,14 +16,14 @@ import java.io.*;
public class StorageTest extends IoTest { public class StorageTest extends IoTest {
@Test @Test
public void loadWallet() throws IOException { public void loadWallet() throws IOException {
ECKey decryptionKey = ECIESKeyCrypter.deriveECKey("pass"); ECKey decryptionKey = Pbkdf2KeyDeriver.DEFAULT_INSTANCE.deriveECKey("pass");
Wallet wallet = Storage.getStorage().loadWallet(getFile("sparrow-single-wallet"), decryptionKey); Wallet wallet = Storage.getStorage().loadWallet(getFile("sparrow-single-wallet"), decryptionKey);
Assert.assertTrue(wallet.isValid()); Assert.assertTrue(wallet.isValid());
} }
@Test @Test
public void loadSeedWallet() throws IOException, MnemonicException { public void loadSeedWallet() throws IOException, MnemonicException {
ECKey decryptionKey = ECIESKeyCrypter.deriveECKey("pass"); ECKey decryptionKey = Pbkdf2KeyDeriver.DEFAULT_INSTANCE.deriveECKey("pass");
Wallet wallet = Storage.getStorage().loadWallet(getFile("sparrow-single-seed-wallet"), decryptionKey); Wallet wallet = Storage.getStorage().loadWallet(getFile("sparrow-single-seed-wallet"), decryptionKey);
Assert.assertTrue(wallet.isValid()); Assert.assertTrue(wallet.isValid());
@ -41,7 +42,7 @@ public class StorageTest extends IoTest {
@Test @Test
public void saveWallet() throws IOException { public void saveWallet() throws IOException {
ECKey decryptionKey = ECIESKeyCrypter.deriveECKey("pass"); ECKey decryptionKey = Pbkdf2KeyDeriver.DEFAULT_INSTANCE.deriveECKey("pass");
Wallet wallet = Storage.getStorage().loadWallet(getFile("sparrow-single-wallet"), decryptionKey); Wallet wallet = Storage.getStorage().loadWallet(getFile("sparrow-single-wallet"), decryptionKey);
Assert.assertTrue(wallet.isValid()); Assert.assertTrue(wallet.isValid());