LandOfFree - US Patents - Listing for Cryptography

Cryptography – Key management – Key distribution

Limiting receiver access to secure read-only communications...

Cryptography – Key management – Having particular key generator

Line tilt compensation method and apparatus

Cryptography – Cryptanalysis

Line tilt compensation method and apparatus

Cryptography – Electric signal modification – Having production of printed copy

Linear feedback shift registers for data scrambling

Cryptography – Communication system using cryptography – Symmetric key cryptography

Linear transformation for symmetric-key ciphers

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Local area network peripheral lock method and system

Cryptography – Electric signal modification – Having production of printed copy

Local area nework encryption decryption system

Cryptography – Communication system using cryptography – Symmetric key cryptography

Local authentication of mobile subscribers outside their...

Cryptography – Video cryptography – Copy protection or prevention

Local content security system

Cryptography – Video cryptography – Copy protection or prevention

Location dependent key for decrypting copy protected...

Cryptography – Communication system using cryptography – Wireless communication

Location-independent packet routing and secure access in a...

Cryptography – Cryptanalysis

Location-sensitive decryption of an encrypted message

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Location-sensitive remote database access control

Cryptography – Key management – Having particular key generator

Lock means and TV sync for air-to-surface missile

Cryptography – Cryptanalysis

Lockable tape cassette control system

Cryptography – Particular algorithmic function encoding

Logic circuit and method for calculating an encrypted result...

Cryptography – Communication system using cryptography – Position dependent or authenticating

Login renewal based on device surroundings

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Logon certification

Cryptography – Key management – Having particular key generator

Long latency interrupt handling and input/output write posting