LandOfFree - US Patents - Listing for Cryptography

Cryptography – Key management – Key distribution

Data delivery method and data delivery system using sets of...

Cryptography – Video cryptography – Video electric signal modification

Data delivery system, server apparatus, reproducing...

Cryptography – Video cryptography – Video electric signal modification

Data dependent scrambler with reduced overhead

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

Data detection by statistical analysis

Cryptography – Video cryptography – Copy protection or prevention

Data distribution

Cryptography – Key management – Key escrow or recovery

Data division method and device using exclusive or calculation

Cryptography – Key management – Having particular key generator

Data embedding

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data enclave and trusted path system

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data enclave and trusted path system

Cryptography – Video cryptography – Video electric signal modification

Data encoding/decoding device and apparatus using the same

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data encripting transfer

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Data encrypted touchscreen

Cryptography – Communication system using cryptography – Time segment interchange

Data encrypting and decrypting apparatus and method

Cryptography – Particular algorithmic function encoding

Data encrypting/decrypting conversion methods and...

Cryptography – Communication system using cryptography – Time segment interchange

Data encryption

Cryptography – Communication system using cryptography – Time segment interchange

Data encryption

Cryptography – Communication system using cryptography – Time segment interchange

Data encryption and decryption system and method using...

Cryptography – Communication system using cryptography – Symmetric key cryptography

Data encryption and signal scrambling using programmable...

Cryptography – Particular algorithmic function encoding

Data encryption apparatus using odd number of...