LandOfFree - US Patents - Listing for Cryptography

Cryptography – Key management – Having particular key generator

Apparatus for recording/reproducing or transmitting/receiving si

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Apparatus for scrambling a digital video signal

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Apparatus for scrambling a television signal

Cryptography – Key management – Having particular key generator

Apparatus for scrambling and descrambling a video signal

Cryptography – Electric signal modification – Having production of printed copy

Apparatus for scrambling/descrambling data by word-by-word proce

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Apparatus for securing the integrity of a functioning system

Cryptography – Particular algorithmic function encoding

Apparatus for solving system of equations on finite field...

Cryptography – Communication system using cryptography – Wireless communication

Apparatus for synchronizing linear PN sequences

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Apparatus for verifying an identification card

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Apparatus for verifying an identification card and identifying a

Cryptography – Communication system using cryptography – Wireless communication

Apparatus, and an associated method, for facilitating fast...

Cryptography – Cryptanalysis

Apparatus, method and computer program product for protecting co

Cryptography – Cryptanalysis

Apparatus, method and computer program product for...

Cryptography – Cellular telephone cryptographic authentication

Apparatus, method and computer program product providing...

Cryptography – Key management

Apparatus, method, and computer program product for playing...

Cryptography – Key management – Key escrow or recovery

Apparatus, method, and computer program product for...

Cryptography – Video cryptography

Apparatus, method, and computer program product for...

Cryptography – Cryptanalysis

Apparatus, method, and system for compressing a digital input si

Cryptography – Communication system using cryptography – Symmetric key cryptography

Apparatus, system and method for detecting a loss of key...