LandOfFree - US Patents - Listing for Cryptography

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

Cryptography – Video cryptography – Video electric signal modification

Transmitting and processing protected content

Cryptography – Communication system using cryptography – Wireless communication

Transmitting and receiving apparatus for full code correlation o

Cryptography – Communication system using cryptography – Symmetric key cryptography

Transmitting data words

Cryptography – Communication system using cryptography – Symmetric key cryptography

Transmitting data words

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Transmitting device of signal sequences

Cryptography – Key management

Transmitting second content data with reference for use with...

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Transmitting, receiving, and automatic recording system for prog

Cryptography – Communication system using cryptography – Symmetric key cryptography

Transparently embedding non-compliant data in a data stream

Cryptography – Particular algorithmic function encoding

Transponder system with variable frequency transmission

Cryptography – Particular algorithmic function encoding – Public key

Trapdoor one-way functions on elliptic curves and their...

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Tree-based certificate revocation system