Replacing String.join for StringBuilder in BrainKey.suggest() method

This commit is contained in:
Nelson R. Perez 2016-11-23 22:20:51 -05:00
parent 3d3e0c2616
commit 8f7a5549bd
3 changed files with 8 additions and 41 deletions

View file

@ -9,19 +9,6 @@ import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Base64;
import org.bitcoinj.core.Base58;
import org.bitcoinj.core.BitcoinSerializer;
import org.bitcoinj.core.Block;
import org.bitcoinj.core.Coin;
import org.bitcoinj.core.NetworkParameters;
import org.bitcoinj.core.StoredBlock;
import org.bitcoinj.core.VerificationException;
import org.bitcoinj.store.BlockStore;
import org.bitcoinj.store.BlockStoreException;
import org.bitcoinj.utils.MonetaryFormat;
import org.spongycastle.crypto.digests.RIPEMD160Digest;
import org.spongycastle.crypto.digests.SHA512Digest;
/**
* Class used to encapsulate all BrainKey-related operations.
@ -55,11 +42,14 @@ public class BrainKey {
index = secureRandom.nextInt(DICT_WORD_COUNT - 1);
suggestedBrainKey.add(wordArray[index].toUpperCase());
}
String result = String.join(" ", suggestedBrainKey.toArray(new String[suggestedBrainKey.size()]));
System.out.println("result: '" + result + "'");
return result;
StringBuilder stringBuilder = new StringBuilder();
for(String word : suggestedBrainKey){
stringBuilder.append(word);
stringBuilder.append(" ");
}
System.out.println("Suggestion: '"+stringBuilder.toString().trim()+"'");
return stringBuilder.toString().trim();
}
/**
* BrainKey constructor that takes as argument a specific brain key word
* sequence and generates the private key and address from that.

View file

@ -66,7 +66,7 @@ public class Main {
// test.testRandomNumberGeneration();
test.testBrainKeyOperations(false);
test.testBrainKeyOperations(true);
// test.testBip39Opertion();
}

View file

@ -543,29 +543,6 @@ public class Test {
System.out.println("pub key compressed : " + Base58.encode(pubKey3));
// Address generation test
RIPEMD160Digest ripemd160Digest = new RIPEMD160Digest();
SHA512Digest sha512Digest = new SHA512Digest();
sha512Digest.update(pubKey2, 0, pubKey2.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);
System.out.println("output after : " + Util.bytesToHex(output));
String encoded = Base58.encode(output);
System.out.println("base 58: " + encoded);
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);
System.out.println("BTS" + Base58.encode(checksum));
System.out.println("Compress Adress : " + brainKey.getAddress());
System.out.println("Uncompress Adress : " + brainKey.getUncompressedAddress());
Address address = new Address(key);
System.out.println("Block explorer's address: "+address);