LandOfFree - US Patents - Listing for Cryptography

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Transaction system for integrated circuit cards

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Transaction system security method and apparatus

Cryptography – Key management – Having particular key generator

Transaction system security method and apparatus

Cryptography – Video cryptography – Video electric signal modification

Transcoder for decoding encoded TV programs

Cryptography – Particular algorithmic function encoding

Transcoding CableCARD

Cryptography – Video cryptography

Transfer of DVD decode key on a window by window basis to an...

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Transfer of valuable information between a secure module and ano

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Transfer of valuable information between a secure module and ano

Cryptography – Key management – Having particular key generator

Transferring encrypted packets over a public network

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Transferring information between transaction networks

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Transformation of ephemeral material

Cryptography – Particular algorithmic function encoding

Transformation pattern generating device and encryption function

Cryptography – Video cryptography – Copy protection or prevention

Transforming data files into logical storage units for...

Cryptography – Video cryptography – Video electric signal masking

Transmission of a digital message interspersed throughout a...

Cryptography – Key management – Having particular key generator

Transmission system, and transmitter and receiver used in the tr

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Transmission-reception system

Cryptography – Communication system using cryptography – Data stream/substitution enciphering

Transmission/reception system

Cryptography – Communication system using cryptography – Wireless communication

Transmit authorization

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Transmitter identification and validation system and method