||A basic abstract class to facilitate implementing block cipher modes of
||The Cipher Block Chaining mode.
||The cipher feedback mode.
||The implementation of the Counter Mode.
||A conventional two-pass authenticated-encrypted mode, EAX.
||The implementation of the Electronic Codebook mode.
||An implementation of David McGrew Integer Counter Mode (ICM) as an
||A Factory to instantiate block cipher modes of operations.
||The Output Feedback (OFB) mode is a confidentiality mode that requires a
IV for every message that is ever encrypted under the