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crystal-wallet-android
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Added a copy of the graphenej library to fix the decompress reading EOIFException problem 

Added a getter for the active key of bitshares using bip39 seeds.
Change the Bitshares account validator to implement the bip39
master
henry 2018-04-08 22:10:26 -04:00
parent fe3e597453
commit 68fd9a749d
3 changed files with 149 additions and 7 deletions
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13
app/src/main/java/cy/agorise/crystalwallet/manager/BitsharesAccountManager.java
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@ -19,6 +19,7 @@ import cy.agorise.crystalwallet.apigenerator.ApiRequestListener;
import cy.agorise.crystalwallet.apigenerator.BitsharesFaucetApiGenerator;
import cy.agorise.crystalwallet.apigenerator.GrapheneApiGenerator;
import cy.agorise.crystalwallet.application.constant.BitsharesConstant;
import cy.agorise.crystalwallet.models.seed.BIP39;
import cy.agorise.crystalwallet.requestmanagers.CryptoNetEquivalentRequest;
import cy.agorise.crystalwallet.requestmanagers.CryptoNetInfoRequest;
import cy.agorise.crystalwallet.requestmanagers.CryptoNetInfoRequestsListener;
@ -247,12 +248,22 @@ public class BitsharesAccountManager implements CryptoAccountManager, CryptoNetI
AccountProperties prop = (AccountProperties) answer;
//TODO change the way to compare keys
BrainKey bk = new BrainKey(importRequest.getMnemonic(), 0);
System.out.println(bk.getPublicAddress("BTS").toString());
for(PublicKey activeKey : prop.owner.getKeyAuthList()){
if((new Address(activeKey.getKey(),"BTS")).toString().equals(bk.getPublicAddress("BTS").toString())){
System.out.println("Mnemonic brainkey correct");
importRequest.setMnemonicIsCorrect(true);
return;
}
}
BIP39 bip39 = new BIP39(-1, importRequest.getMnemonic());
for(PublicKey activeKey : prop.active.getKeyAuthList()){
if((new Address(activeKey.getKey(),"BTS")).toString().equals(new Address(ECKey.fromPublicOnly(bip39.getBitsharesActiveKey(0).getPubKey())).toString())){
System.out.println("Mnemonic BIP39 correct");
importRequest.setMnemonicIsCorrect(true);
return;
}
}
System.out.println("Mnemonic incorrect");
importRequest.setMnemonicIsCorrect(false);
}

122
app/src/main/java/cy/agorise/crystalwallet/manager/FileBackupManager.java
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@ -2,17 +2,34 @@ package cy.agorise.crystalwallet.manager;
import android.os.Environment;
import com.google.common.primitives.Bytes;
import com.google.gson.GsonBuilder;
import org.bitcoinj.core.ECKey;
import org.tukaani.xz.CorruptedInputException;
import org.tukaani.xz.LZMAInputStream;
import org.tukaani.xz.XZInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.EOFException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import cy.agorise.crystalwallet.dao.AccountSeedDao;
import cy.agorise.crystalwallet.dao.CrystalDatabase;
@ -32,6 +49,7 @@ import cy.agorise.crystalwallet.requestmanagers.ValidateImportBitsharesAccountRe
import cy.agorise.graphenej.Address;
import cy.agorise.graphenej.BrainKey;
import cy.agorise.graphenej.FileBin;
import cy.agorise.graphenej.Util;
import cy.agorise.graphenej.api.GetKeyReferences;
import cy.agorise.graphenej.models.backup.LinkedAccount;
import cy.agorise.graphenej.models.backup.PrivateKeyBackup;
@ -81,12 +99,15 @@ public class FileBackupManager implements FileServiceRequestsListener {
if(fileName == null){
fileName = bitsharesSeedName.accountName;
}
BrainKey brainKey = new BrainKey(bitsharesSeedName.accountSeed, 0); //TODO chain to use BIP39
int sequence = 0;
//TODO adapt CHAIN ID
Wallet wallet = new Wallet(bitsharesSeedName.accountName, brainKey.getBrainKey(), brainKey.getSequenceNumber(), CryptoNetManager.getChaindId(CryptoNet.BITSHARES), request.getPassword());
Wallet wallet = new Wallet(bitsharesSeedName.accountName, bitsharesSeedName.accountSeed, sequence, CryptoNetManager.getChaindId(CryptoNet.BITSHARES), request.getPassword());
wallets.add(wallet);
BrainKey brainKey = new BrainKey(bitsharesSeedName.accountSeed, sequence); //TODO chain to use BIP39
PrivateKeyBackup keyBackup = new PrivateKeyBackup(brainKey.getPrivateKey().getPrivKeyBytes(),
brainKey.getSequenceNumber(), brainKey.getSequenceNumber(), wallet.getEncryptionKey(request.getPassword()));
sequence, sequence, wallet.getEncryptionKey(request.getPassword()));
keys.add(keyBackup);
LinkedAccount linkedAccount = new LinkedAccount(bitsharesSeedName.accountName, CryptoNetManager.getChaindId(CryptoNet.BITSHARES));
accounts.add(linkedAccount);
@ -192,7 +213,7 @@ public class FileBackupManager implements FileServiceRequestsListener {
byteArray[i] = readBytes.get(i).byteValue();
}
WalletBackup walletBackup = FileBin.deserializeWalletBackup(byteArray,request.getPassword());
WalletBackup walletBackup = deserializeWalletBackup(byteArray,request.getPassword());
if(walletBackup == null){
//TODO handle error
System.out.println("FileBackupManager error walletBackup null");
@ -262,5 +283,98 @@ public class FileBackupManager implements FileServiceRequestsListener {
}
/**
* This part is copied from the graphenej library, to edit possible error.
* TODO in graphenej library to catch EOFException reading files
*/
public static WalletBackup deserializeWalletBackup(byte[] input, String password){
try{
byte[] publicKey = new byte[33];
byte[] rawDataEncripted = new byte[input.length - 33];
System.arraycopy(input, 0, publicKey, 0, 33);
System.arraycopy(input, 33, rawDataEncripted, 0, rawDataEncripted.length);
MessageDigest md = MessageDigest.getInstance("SHA-256");
ECKey randomECKey = ECKey.fromPublicOnly(publicKey);
byte[] finalKey = randomECKey.getPubKeyPoint().multiply(ECKey.fromPrivate(md.digest(password.getBytes("UTF-8"))).getPrivKey()).normalize().getXCoord().getEncoded();
MessageDigest md1 = MessageDigest.getInstance("SHA-512");
finalKey = md1.digest(finalKey);
byte[] decryptedData = Util.decryptAES(rawDataEncripted, Util.bytesToHex(finalKey).getBytes());
byte[] checksum = new byte[4];
System.arraycopy(decryptedData, 0, checksum, 0, 4);
byte[] compressedData = new byte[decryptedData.length - 4];
System.arraycopy(decryptedData, 4, compressedData, 0, compressedData.length);
byte[] decompressedData = decompress(compressedData, Util.LZMA);
String walletString = new String(decompressedData, "UTF-8");
System.out.println("Wallet str: "+walletString);
return new GsonBuilder().create().fromJson(walletString, WalletBackup.class);
}catch(NoSuchAlgorithmException e){
System.out.println("NoSuchAlgorithmException. Msg: "+e.getMessage());
} catch (UnsupportedEncodingException e) {
System.out.println("UnsupportedEncodingException. Msg: "+e.getMessage());
}
return null;
}
public static byte[] decompress(byte[] inputBytes, int which) {
InputStream in = null;
try {
System.out.println("Bytes: "+Util.bytesToHex(inputBytes));
ByteArrayInputStream input = new ByteArrayInputStream(inputBytes);
ByteArrayOutputStream output = new ByteArrayOutputStream(16*2048);
if(which == Util.XZ) {
in = new XZInputStream(input);
}else if(which == Util.LZMA){
in = new LZMAInputStream(input);
}
int size;
try{
while ((size = in.read()) != -1) {
output.write(size);
}
}catch(CorruptedInputException e){
// Taking property byte
byte[] properties = Arrays.copyOfRange(inputBytes, 0, 1);
// Taking dict size bytes
byte[] dictSize = Arrays.copyOfRange(inputBytes, 1, 5);
// Taking uncompressed size bytes
byte[] uncompressedSize = Arrays.copyOfRange(inputBytes, 5, 13);
// Reversing bytes in header
byte[] header = Bytes.concat(properties, Util.revertBytes(dictSize), Util.revertBytes(uncompressedSize));
byte[] payload = Arrays.copyOfRange(inputBytes, 13, inputBytes.length);
// Trying again
input = new ByteArrayInputStream(Bytes.concat(header, payload));
output = new ByteArrayOutputStream(2048);
if(which == Util.XZ) {
in = new XZInputStream(input);
}else if(which == Util.LZMA){
in = new LZMAInputStream(input);
}
try{
while ((size = in.read()) != -1) {
output.write(size);
}
}catch(CorruptedInputException ex){
System.out.println("CorruptedInputException. Msg: "+ex.getMessage());
}
}catch(EOFException e){
}
in.close();
return output.toByteArray();
} catch (IOException ex) {
Logger.getLogger(Util.class.getName()).log(Level.SEVERE, null, ex);
}
return null;
}
}

21
app/src/main/java/cy/agorise/crystalwallet/models/seed/BIP39.java
View File

@ -1,13 +1,15 @@
package cy.agorise.crystalwallet.models.seed;
import org.bitcoinj.core.ECKey;
import org.bitcoinj.crypto.ChildNumber;
import org.bitcoinj.crypto.DeterministicKey;
import org.bitcoinj.crypto.HDKeyDerivation;
import org.bitcoinj.crypto.MnemonicCode;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import cy.agorise.crystalwallet.enums.SeedType;
import cy.agorise.crystalwallet.models.AccountSeed;
@ -90,4 +92,19 @@ public class BIP39 extends AccountSeed{
public byte[] getSeed() {
return MnemonicCode.toSeed(Arrays.asList(this.getMasterSeed().split(" ")), "");
}
public ECKey getBitsharesActiveKey(int number){
DeterministicKey masterKey = HDKeyDerivation.createMasterPrivateKey(this.getSeed());
DeterministicKey purposeKey = HDKeyDerivation.deriveChildKey(masterKey,
new ChildNumber(48, true));
DeterministicKey networkKey = HDKeyDerivation.deriveChildKey(purposeKey,
new ChildNumber(1, true));
DeterministicKey accountIndexKey = HDKeyDerivation.deriveChildKey(networkKey,
new ChildNumber(0, true));
DeterministicKey permission = HDKeyDerivation.deriveChildKey(accountIndexKey,
new ChildNumber(1, true));
DeterministicKey address = HDKeyDerivation.deriveChildKey(permission,
new ChildNumber(number, false)); //TODO implement multiple Address and accounts
return org.bitcoinj.core.ECKey.fromPrivate(address.getPrivKeyBytes());
}
}