/* package whatever; // don't place package name! */
 
import javax.xml.bind.DatatypeConverter;
import java.math.BigInteger;
import java.net.URLEncoder;
import java.util.Base64;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.util.Date;
import java.util.Formatter;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		System.out.println(base64Encode(getHash("test"+getHash("test"))));
	}
	 private static String getHash(String text)throws NoSuchAlgorithmException, UnsupportedEncodingException
	 {
        byte[] bytes = MessageDigest.getInstance("SHA1").digest(text.getBytes("UTF-8"));
       return new String(bytes, "UTF-8");
    }
     private static String base64Encode(String text) throws Exception{
        byte[] encodedBytes = Base64.getEncoder().encode(text.getBytes("UTF-8"));
        return new String(encodedBytes);
    }
}

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