Granted Patent
Utility
US 5,825,886 · App. 08/761,763
Construction symmetric ciphers using the cast design procedure
Inventors:
Carlisle Adams, Michael Wiener, Roland Thomas Lockhart
Patented Case
View Patent ↗
Granted: Oct 20, 1998
Filed: Dec 5, 1996
Inventors
Carlisle Adams
Michael Wiener
Roland Thomas Lockhart
Assignee (at issue)
Entrust Technologies Limited
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.