Provided for type safety. It does not implement
any necessary functionality but rather is used to ensure that certain
types of padding or modes are not used with inappropriate ciphers.
For example, RSA should not be used with CFB mode so we need to ensure that only
symmetric key engines can be used for CFB.
Copyright 1999-2009 Research In Motion Limited. 295 Phillip Street, Waterloo, Ontario, Canada, N2L 3W8. All Rights Reserved.
Copyright 1993-2003 Sun Microsystems, Inc. 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
Copyright 2002-2003 Nokia Corporation All Rights Reserved.
Java is a trademark or registered trademark of Sun Microsystems, Inc. in the US and other countries.