LandOfFree - US Patents - Listing for Cryptography

Cryptography – Cryptanalysis

Toy helmet for scrambled communications

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Traceable anonymous transactions

Cryptography – Key management – Key escrow or recovery

Traffic key access method and terminal for secure...

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Trainable transceiver capable of learning variable codes

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Transaction authentication using a centrally generated transacti

Cryptography – Key management – Having particular key generator

Transaction evidencing system and method including post printing

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Transaction processing system

Cryptography – Video cryptography – Video electric signal modification

Transaction processing system utilizing teletext broadcasting sy

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Transaction system comprising one or more host exchanges and a n

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