Granted Patent
Utility
US 5,608,801 · App. 08/559,213
Efficient cryptographic hash functions and methods for amplifying the security of hash functions and pseudo-random functions
Inventors:
William A. Aiello, Ramarathnam Venkatesan
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Nov 16, 1995
Inventors
William A. Aiello
Ramarathnam Venkatesan
Assignee (at issue)
Bell Communications Research, 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.