Granted Patent
Utility
US 5,724,428 · App. 08/548,318
Block encryption algorithm with data-dependent rotations
Inventor:
Ronald L. Rivest
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Nov 1, 1995
Inventor
Ronald L. Rivest
Assignee (at issue)
RSA Data Security, Inc.
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.