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address calculated

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This commit is contained in:
Henry Varona 2016-11-23 15:07:54 -04:30
parent ec4f0704d6
commit 88d6f7640c
3 changed files with 799 additions and 715 deletions
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213
src/main/java/com/luminiasoft/bitshares/BrainKey.java
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@ -1,76 +1,137 @@
package com.luminiasoft.bitshares; package com.luminiasoft.bitshares;
import com.luminiasoft.bitshares.crypto.AndroidRandomSource; import com.luminiasoft.bitshares.crypto.AndroidRandomSource;
import com.luminiasoft.bitshares.crypto.SecureRandomStrengthener; import com.luminiasoft.bitshares.crypto.SecureRandomStrengthener;
import org.bitcoinj.core.ECKey; import org.bitcoinj.core.ECKey;
import java.io.UnsupportedEncodingException; import java.io.UnsupportedEncodingException;
import java.security.MessageDigest; import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException; import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom; import java.security.SecureRandom;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Base64; import java.util.Base64;
import org.bitcoinj.core.Base58;
/** import org.bitcoinj.core.BitcoinSerializer;
* Class used to encapsulate all BrainKey-related operations. import org.bitcoinj.core.Block;
*/ import org.bitcoinj.core.Coin;
public class BrainKey { import org.bitcoinj.core.NetworkParameters;
// The size of the word dictionary import org.bitcoinj.core.StoredBlock;
public static final int DICT_WORD_COUNT = 49744; import org.bitcoinj.core.VerificationException;
import org.bitcoinj.store.BlockStore;
// The required number of words import org.bitcoinj.store.BlockStoreException;
public static final int BRAINKEY_WORD_COUNT = 12; import org.bitcoinj.utils.MonetaryFormat;
import org.spongycastle.crypto.digests.RIPEMD160Digest;
private ECKey mPrivateKey; import org.spongycastle.crypto.digests.SHA512Digest;
/** /**
* Method that will generate a random brain key * Class used to encapsulate all BrainKey-related operations.
* @param words The list of words from the graphene specification dictionary. */
* @return A random sequence of words public class BrainKey {
*/
public static String suggest(String words){ // The size of the word dictionary
String[] wordArray = words.split(","); public static final int DICT_WORD_COUNT = 49744;
ArrayList<String> suggestedBrainKey = new ArrayList<String>();
assert(wordArray.length == DICT_WORD_COUNT); // The required number of words
SecureRandomStrengthener randomStrengthener = SecureRandomStrengthener.getInstance(); public static final int BRAINKEY_WORD_COUNT = 12;
randomStrengthener.addEntropySource(new AndroidRandomSource());
SecureRandom secureRandom = randomStrengthener.generateAndSeedRandomNumberGenerator(); private ECKey mPrivateKey;
int index;
for(int i = 0; i < BRAINKEY_WORD_COUNT; i++){ /**
index = secureRandom.nextInt(DICT_WORD_COUNT - 1); * Method that will generate a random brain key
suggestedBrainKey.add(wordArray[index].toUpperCase()); *
} * @param words The list of words from the graphene specification
String result = String.join(" ", suggestedBrainKey.toArray(new String[suggestedBrainKey.size()])); * dictionary.
System.out.println("result: '"+result+"'"); * @return A random sequence of words
return result; */
} public static String suggest(String words) {
String[] wordArray = words.split(",");
/** ArrayList<String> suggestedBrainKey = new ArrayList<String>();
* BrainKey constructor that takes as argument a specific brain key word sequence and generates the assert (wordArray.length == DICT_WORD_COUNT);
* private key and address from that. SecureRandomStrengthener randomStrengthener = SecureRandomStrengthener.getInstance();
* @param words The brain key specifying the private key randomStrengthener.addEntropySource(new AndroidRandomSource());
* @param sequence Sequence number SecureRandom secureRandom = randomStrengthener.generateAndSeedRandomNumberGenerator();
*/ int index;
public BrainKey(String words, int sequence) { for (int i = 0; i < BRAINKEY_WORD_COUNT; i++) {
String encoded = String.format("%s %d", words, sequence); index = secureRandom.nextInt(DICT_WORD_COUNT - 1);
try { suggestedBrainKey.add(wordArray[index].toUpperCase());
MessageDigest md = MessageDigest.getInstance("SHA-512"); }
byte[] bytes = md.digest(encoded.getBytes("UTF-8")); String result = String.join(" ", suggestedBrainKey.toArray(new String[suggestedBrainKey.size()]));
MessageDigest sha256 = MessageDigest.getInstance("SHA-256"); System.out.println("result: '" + result + "'");
byte[] result = sha256.digest(bytes); return result;
mPrivateKey = ECKey.fromPrivate(result); }
} catch (NoSuchAlgorithmException e) {
System.out.println("NoSuchAlgotithmException. Msg: " + e.getMessage()); /**
} catch (UnsupportedEncodingException e) { * BrainKey constructor that takes as argument a specific brain key word
System.out.println("UnsupportedEncodingException. Msg: " + e.getMessage()); * sequence and generates the private key and address from that.
} *
} * @param words The brain key specifying the private key
* @param sequence Sequence number
public String getPublicKey() { */
return Base64.getEncoder().encodeToString(mPrivateKey.getPubKey()); public BrainKey(String words, int sequence) {
} String encoded = String.format("%s %d", words, sequence);
try {
public ECKey getPrivateKey(){ MessageDigest md = MessageDigest.getInstance("SHA-512");
return mPrivateKey; byte[] bytes = md.digest(encoded.getBytes("UTF-8"));
} MessageDigest sha256 = MessageDigest.getInstance("SHA-256");
} byte[] result = sha256.digest(bytes);
mPrivateKey = ECKey.fromPrivate(result);
} catch (NoSuchAlgorithmException e) {
System.out.println("NoSuchAlgotithmException. Msg: " + e.getMessage());
} catch (UnsupportedEncodingException e) {
System.out.println("UnsupportedEncodingException. Msg: " + e.getMessage());
}
}
public String getUncompressedAddress() {
RIPEMD160Digest ripemd160Digest = new RIPEMD160Digest();
SHA512Digest sha512Digest = new SHA512Digest();
sha512Digest.update(mPrivateKey.decompress().getPubKey(), 0, mPrivateKey.decompress().getPubKey().length);
byte[] intermediate = new byte[512 / 8];
sha512Digest.doFinal(intermediate, 0);
ripemd160Digest.update(intermediate, 0, intermediate.length);
byte[] output = new byte[160 / 8];
ripemd160Digest.doFinal(output, 0);
String encoded = Base58.encode(output);
byte[] checksum = new byte[(160 / 8) + 4];
System.arraycopy(calculateChecksum(output), 0, checksum, checksum.length - 4, 4);
System.arraycopy(output, 0, checksum, 0, output.length);
return ("BTS" + Base58.encode(checksum));
}
public String getAddress() {
RIPEMD160Digest ripemd160Digest = new RIPEMD160Digest();
SHA512Digest sha512Digest = new SHA512Digest();
sha512Digest.update(mPrivateKey.getPubKey(), 0, mPrivateKey.getPubKey().length);
byte[] intermediate = new byte[512 / 8];
sha512Digest.doFinal(intermediate, 0);
ripemd160Digest.update(intermediate, 0, intermediate.length);
byte[] output = new byte[160 / 8];
ripemd160Digest.doFinal(output, 0);
String encoded = Base58.encode(output);
byte[] checksum = new byte[(160 / 8) + 4];
System.arraycopy(calculateChecksum(output), 0, checksum, checksum.length - 4, 4);
System.arraycopy(output, 0, checksum, 0, output.length);
return ("BTS" + Base58.encode(checksum));
}
public byte[] calculateChecksum(byte[] input) {
byte[] answer = new byte[4];
RIPEMD160Digest ripemd160Digest = new RIPEMD160Digest();
ripemd160Digest.update(input, 0, input.length);
byte[] output = new byte[160 / 8];
ripemd160Digest.doFinal(output, 0);
System.arraycopy(output, 0, answer, 0, 4);
return answer;
}
public byte[] getPublicKey() {
return mPrivateKey.getPubKey();
}
public ECKey getPrivateKey() {
return mPrivateKey;
}
}

145
src/main/java/com/luminiasoft/bitshares/Main.java
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@ -1,72 +1,73 @@
package com.luminiasoft.bitshares; package com.luminiasoft.bitshares;
import org.bitcoinj.core.ECKey; import org.bitcoinj.core.ECKey;
import java.io.IOException; import java.io.IOException;
public class Main { public class Main {
// Brain key from Nelson's app referencing the bilthon-83 account // Brain key from Nelson's app referencing the bilthon-83 account
public static final String BRAIN_KEY = "PUMPER ISOTOME SERE STAINER CLINGER MOONLIT CHAETA UPBRIM AEDILIC BERTHER NIT SHAP SAID SHADING JUNCOUS CHOUGH"; public static final String BRAIN_KEY = "PUMPER ISOTOME SERE STAINER CLINGER MOONLIT CHAETA UPBRIM AEDILIC BERTHER NIT SHAP SAID SHADING JUNCOUS CHOUGH";
//public static final String BRAIN_KEY = "TWIXT SERMO TRILLI AUDIO PARDED PLUMET BIWA REHUNG MAUDLE VALVULA OUTBURN FEWNESS ALIENER UNTRACE PRICH TROKER";
public static final String BIP39_KEY = "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about";
public static final String BIP39_KEY = "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about";
// WIF from Nelson's app referencing the bilthon-83 account
// public static final String WIF = "5J96pne45qWM1WpektoeazN6k9Mt93jQ7LyueRxFfEMTiy6yxjM"; // WIF from Nelson's app referencing the bilthon-83 account
// public static final String WIF = "5J96pne45qWM1WpektoeazN6k9Mt93jQ7LyueRxFfEMTiy6yxjM";
// Brain key from an empty account created by the cli_wallet
// public static final String BRAIN_KEY = "TWIXT SERMO TRILLI AUDIO PARDED PLUMET BIWA REHUNG MAUDLE VALVULA OUTBURN FEWNESS ALIENER UNTRACE PRICH TROKER"; // Brain key from an empty account created by the cli_wallet
// public static final String BRAIN_KEY = "TWIXT SERMO TRILLI AUDIO PARDED PLUMET BIWA REHUNG MAUDLE VALVULA OUTBURN FEWNESS ALIENER UNTRACE PRICH TROKER";
// WIF from an emty account created by the cli_wallet
public static final String WIF = "5KMzB2GqGhnh7ufhgddmz1eKPHS72uTLeL9hHjSvPb1UywWknF5"; // WIF from an emty account created by the cli_wallet
public static final String WIF = "5KMzB2GqGhnh7ufhgddmz1eKPHS72uTLeL9hHjSvPb1UywWknF5";
public static final String EXTERNAL_SIGNATURE = "1f36c41acb774fcbc9c231b5895ec9701d6872729098d8ea56d78dda72a6b54252694db85d7591de5751b7aea06871da15d63a1028758421607ffc143e53ef3306";
public static final String EXTERNAL_SIGNATURE = "1f36c41acb774fcbc9c231b5895ec9701d6872729098d8ea56d78dda72a6b54252694db85d7591de5751b7aea06871da15d63a1028758421607ffc143e53ef3306";
// Static block information used for transaction serialization tests
public static int REF_BLOCK_NUM = 56204; // Static block information used for transaction serialization tests
public static int REF_BLOCK_PREFIX = 1614747814; public static int REF_BLOCK_NUM = 56204;
public static int RELATIVE_EXPIRATION = 1478385607; public static int REF_BLOCK_PREFIX = 1614747814;
public static int RELATIVE_EXPIRATION = 1478385607;
public static void main(String[] args) {
Test test = new Test(); public static void main(String[] args) {
// test.testTransactionSerialization(); Test test = new Test();
// ECKey.ECDSASignature signature = test.testSigning(); // test.testTransactionSerialization();
// ECKey.ECDSASignature signature = test.testSigning();
// try {
// test.testWebSocketTransfer(); // try {
// } catch (IOException e) { // test.testWebSocketTransfer();
// e.printStackTrace(); // } catch (IOException e) {
// } // e.printStackTrace();
// }
// test.testCustomSerializer();
// test.testCustomSerializer();
// test.testTransactionSerialization();
// test.testTransactionSerialization();
// test.testLoginSerialization();
// test.testLoginSerialization();
// test.testNetworkBroadcastSerialization();
// test.testNetworkBroadcastSerialization();
// test.testNetworkBroadcastDeserialization();
// test.testNetworkBroadcastDeserialization();
// test.testGetDynamicParams();
// test.testGetDynamicParams();
// test.testGetRequiredFeesSerialization();
// test.testGetRequiredFeesSerialization();
// test.testRequiredFeesResponse();
// test.testRequiredFeesResponse();
// test.testTransactionBroadcastSequence();
// test.testTransactionBroadcastSequence();
// test.testAccountLookupDeserialization();
// test.testAccountLookupDeserialization();
// test.testPrivateKeyManipulations();
// test.testPrivateKeyManipulations();
// test.testGetAccountByName();
// test.testGetAccountByName();
// test.testGetRequiredFees();
// test.testGetRequiredFees();
// test.testRandomNumberGeneration();
// test.testRandomNumberGeneration();
test.testBrainKeyOperations(false);
test.testBrainKeyOperations(false);
// test.testBip39Opertion();
} // test.testBip39Opertion();
} }
}

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src/main/java/com/luminiasoft/bitshares/Test.java
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