public static String toHexString ( final byte [ ] bytes ) { char [ ] chars = new char [ bytes . length * 2 ] ; int i = 0 ; for ( byte b : bytes ) { chars [ i ++ ] = CharUtil . int2hex ( ( b & 0xF0 ) >> 4 ) ; chars [ i ++ ] = CharUtil . int2hex ( b & 0x0F ) ; } return new String ( chars ) ; }
Converts bytes to hex string .