sergey-sw

public static void main(String[] args) {
    System.out.println(bytesToHex(getKey(860767L)));
}

final protected static char[] hexArray = "0123456789ABCDEF".toCharArray();
public static String bytesToHex(byte[] bytes) {
    char[] hexChars = new char[bytes.length * 2 ];
    for ( int j = 0; j < bytes.length; j++ ) {
        int v = bytes[j] & 0xFF;
        hexChars[j * 2 ] = hexArray[v >>> 4];