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exporting importing files

master
Henry Varona 2016-11-29 14:34:52 -04:30
parent 1e6bd3b7d3
commit e1234fdd75
2 changed files with 21 additions and 31 deletions
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49
src/main/java/com/luminiasoft/bitshares/FileBin.java
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@ -1,10 +1,8 @@
package com.luminiasoft.bitshares;
import com.google.common.primitives.Bytes;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import com.luminiasoft.bitshares.crypto.AndroidRandomSource;
import com.luminiasoft.bitshares.crypto.SecureRandomStrengthener;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
@ -16,11 +14,9 @@ import java.security.SecureRandom;
import java.util.Arrays;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.bitcoinj.core.Base58;
import org.bitcoinj.core.ECKey;
import org.spongycastle.crypto.DataLengthException;
import org.spongycastle.crypto.InvalidCipherTextException;
import org.spongycastle.crypto.digests.RIPEMD160Digest;
import org.spongycastle.crypto.engines.AESFastEngine;
import org.spongycastle.crypto.modes.CBCBlockCipher;
import org.spongycastle.crypto.paddings.PaddedBufferedBlockCipher;
@ -64,54 +60,48 @@ public abstract class FileBin {
try {
byte[] encKey = new byte[32];
SecureRandomStrengthener randomStrengthener = SecureRandomStrengthener.getInstance();
randomStrengthener.addEntropySource(new AndroidRandomSource());
//randomStrengthener.addEntropySource(new AndroidRandomSource());
SecureRandom secureRandom = randomStrengthener.generateAndSeedRandomNumberGenerator();
secureRandom.nextBytes(encKey);
//byte[] encKey = new byte[]{(byte) 23, (byte) 216, (byte) 129, (byte) 104, (byte) 115, (byte) 250, (byte) 179, (byte) 214, (byte) 64, (byte) 173, (byte) 173, (byte) 145, (byte) 251, (byte) 234, (byte) 25, (byte) 189, (byte) 20, (byte) 227, (byte) 239, (byte) 103, (byte) 226, (byte) 39, (byte) 145, (byte) 234, (byte) 12, (byte) 104, (byte) 91, (byte) 73, (byte) 76, (byte) 151, (byte) 47, (byte) 210};
byte[] encKey_enc = encryptAES(encKey, password.getBytes("UTF-8"));
byte[] encBrain = encryptAES(BrainKey.getBytes("ASCII"), encKey);
JsonObject wallet = new JsonObject();
wallet.add("encryption_key", new JsonParser().parse(byteToString(encKey_enc)));
wallet.add("encrypted_brainkey", new JsonParser().parse(byteToString(encBrain)));
JsonObject wallet_object = new JsonObject();
wallet_object.add("wallet", wallet);
JsonArray accountNames = new JsonArray();
JsonObject jsonAccountName = new JsonObject();
jsonAccountName.add("name", new JsonParser().parse(accountName));
accountNames.add(jsonAccountName);
wallet_object.add("linked_accounts", accountNames);
System.out.println(wallet_object.toString());
byte[] compressedData = compressDataLZMA(wallet_object.toString().getBytes("UTF-8"));
byte[] compressedData = Util.compress(wallet_object.toString().getBytes("UTF-8"));
MessageDigest md = MessageDigest.getInstance("SHA-256");
byte[] checksum = md.digest(compressedData);
byte[] rawData = new byte[compressedData.length + 4];
System.arraycopy(checksum, 0, rawData, 0, 4);
System.arraycopy(compressedData, 0, rawData, 4, compressedData.length);
byte[] passPrivKey = ECKey.fromPrivate(md.digest(password.getBytes("UTF-8"))).getPrivKeyBytes();
byte[] randomKey = new byte[32];
secureRandom.nextBytes(randomKey);
byte[] randPubKey = ECKey.fromPrivate(md.digest(randomKey)).getPubKey();
ECKey randomECKey = ECKey.fromPrivate(md.digest(randomKey));
byte[] randPubKey = randomECKey.getPubKey();
//System.out.println(byteToString(cipher.doFinal(encKey)));
// Cypher random public key with aespassword
// Cypher key ciphered key and aespassword
// Cypher brainkey
// Store cypher brainkey and cyher public + password
//LZMA compress
//Generate another public key
//Cypher public key with password
// result Cypher compressed message
return null;
} catch (UnsupportedEncodingException ex) {
Logger.getLogger(FileBin.class.getName()).log(Level.SEVERE, null, ex);
} catch (NoSuchAlgorithmException ex) {
Logger.getLogger(FileBin.class.getName()).log(Level.SEVERE, null, ex);
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);
rawData = encryptAES(rawData, finalKey);
byte[] result = new byte[rawData.length + randPubKey.length];
System.arraycopy(randPubKey, 0, result, 0, randPubKey.length);
System.arraycopy(rawData, 0, result, randPubKey.length, rawData.length);
return result;
} catch (UnsupportedEncodingException | NoSuchAlgorithmException ex) {
ex.printStackTrace();
}
return null;
}
@ -156,7 +146,6 @@ public abstract class FileBin {
byte[] temp = new byte[input.length + (16 - (input.length % 16))];
System.arraycopy(input, 0, temp, 0, input.length);
Arrays.fill(temp, input.length, temp.length, (byte) (16 - (input.length % 16)));
System.out.println(byteToString(temp));
byte[] out = new byte[cipher.getOutputSize(temp.length)];
int proc = cipher.processBytes(temp, 0, temp.length, out, 0);
cipher.doFinal(out, proc);

3
src/main/java/com/luminiasoft/bitshares/Test.java
View File

@ -725,6 +725,7 @@ public class Test {
}
public void testCreateBinFile(){
FileBin.getBytesFromBrainKey(Main.BRAIN_KEY, "123456","bithon-83");
byte[] fileOutput = FileBin.getBytesFromBrainKey(Main.BRAIN_KEY, "123456","bithon-83");
System.out.println("fileOutput " + Arrays.toString(fileOutput));
}
}