Helper function convert ByteBuffer to Array[Byte].
Helper function convert ByteBuffer to ByteArray.
Byte array to hexadecimal string.
Byte array ordering
Hexadecimal string to byte array.
Left pad a String with a specified character.
Left pad a String with a specified character.
the String to pad out, may be null
the size to pad to
the character to pad with
left padded String or original String if no padding is necessary, null if null String input
MD5 hash function
Right pad a String with a specified character.
Right pad a String with a specified character.
the String to pad out, may be null
the size to pad to
the character to pad with
left padded String or original String if no padding is necessary, null if null String input
Measure running time of a function/block.
Utility functions.