graphenej/src/main/java/com/luminiasoft/bitshares/BrainKey.java

36 lines
1.1 KiB
Java

package com.luminiasoft.bitshares;
import org.bitcoinj.core.Base58;
import org.bitcoinj.core.DumpedPrivateKey;
import org.bitcoinj.core.ECKey;
import org.bitcoinj.core.NetworkParameters;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
/**
* Created by nelson on 11/19/16.
*/
public class BrainKey {
private ECKey mPrivateKey;
public BrainKey(String words, int sequence) {
String encoded = String.format("%s %d", words, sequence);
try {
MessageDigest sha512 = MessageDigest.getInstance("SHA-512");
MessageDigest sha256 = MessageDigest.getInstance("SHA-256");
mPrivateKey = ECKey.fromPrivate(sha256.digest(sha512.digest(encoded.getBytes("UTF-8"))));
} catch (NoSuchAlgorithmException e) {
System.out.println("NoSuchAlgotithmException. Msg: " + e.getMessage());
} catch (UnsupportedEncodingException e) {
System.out.println("UnsupportedEncodingException. Msg: " + e.getMessage());
}
}
public ECKey getPrivateKey(){
return this.mPrivateKey;
}
}