LandOfFree - US Patents - Listing for Cryptography

Cryptography – Cryptanalysis

Parallel data network billing and collection system

Cryptography – Particular algorithmic function encoding – Public key

Parallel data scrambler

Cryptography – Key management – Having particular key generator

Parallel distributed sample descrambling circuit for cell-based

Cryptography – Key management – Having particular key generator

Parallel distributed sample scrambling system

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

Parallel encryptor and decryptor

Cryptography – Particular algorithmic function encoding

Parallel scrambler used in sonet data transmission

Cryptography – Particular algorithmic function encoding

Parallel scrambler used in SONET data transmission

Cryptography – Communication system using cryptography – Pseudo-random sequence scrambling

Parallel scrambler/descrambler

Cryptography – Key management – Having particular key generator

Parallel scrambling system

Cryptography – Key management – Having particular key generator

Parallel transmission through plurality of optical fibers

Cryptography – Communication system using cryptography – Wireless communication

Parallel transmission to mask data radiation

Cryptography – Cryptanalysis

Parameter generation apparatus, encryption system,...

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Parameterized hash functions for access control

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Parameterized hash functions for access control

Cryptography – Video cryptography – Video electric signal modification

Partial dual encrypted stream utilizing program map tables

Cryptography – Communication system using cryptography – Time segment interchange

Partial encryption and full authentication of message blocks

Cryptography – Video cryptography

Partial encryption and PID mapping

Cryptography – Video cryptography

Partial encryption and PID mapping

Cryptography – Video cryptography

Partial encryption and PID mapping