LandOfFree - US Patents - Listing for Cryptography

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Portable electronic authorization devices and methods therefor

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Portable electronic device and its secret information collation

Cryptography – Electric signal modification – Having production of printed copy

Portable electronic device capable of registering subprograms

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Portable electronic device for use in conjunction with a screen

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Portable electronic device for use in conjunction with a screen

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Portable electronic device to establish public loyalty to a medi

Cryptography – Communication system using cryptography – Position dependent or authenticating

Portable host-pluggable appliance tracking system

Cryptography – Communication system using cryptography – Symmetric key cryptography

Portable keying device and method

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Portable pin card

Cryptography – Key management – Having particular key generator

Portable satellite earth station

Cryptography – Cryptanalysis

Portable secure semiconductor memory device

Cryptography – Facsimile cryptography

Portable telecommunication security device

Cryptography – Key management – Having particular key generator

Portable terminal

Cryptography – Electric signal modification – Having production of printed copy

Portable thermal printing apparatus including a security device

Cryptography – Communication system using cryptography – Position dependent or authenticating

Position authentication system and electronic equipment...

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Positive identification system and method

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Post-initialization of chip cards

Cryptography – Having production of printed copy

Postage accounting system including means for transmitting a bit

Cryptography – Electric signal modification – Having production of printed copy

Postage accounting system including means for transmitting ASCII