LandOfFree - US Patents - Listing for Cryptography

Cryptography – Key management – Having particular key generator

System for securing inbound and outbound data packet flow in a c

Cryptography – Communication system using cryptography – Position dependent or authenticating

System for securing the confidentiality of electronically...

System for selectively preventing a software program from being

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

System for signatureless transmission and reception of data pack

System for software registration

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

System for storing and distributing keys for cryptographically p

Cryptography – Electronic game using cryptography

System for supplying screened random numbers for use in...

System for testing the authenticity of a data carrier

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

System for the anonymous counting of information items for stati

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

System for the checking of limited access to authorized time slo

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

System for the printing and reading of encrypted messages

System for the printing and reading of encrypted messages

System for the safe transmission of messages

Cryptography – Key management – Having particular key generator

System for the secret transmission of audio signals and televisi

Cryptography – By modifying optical image

System for the secure storage and transmission of data

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

System for the shifting of a television signal scrambler

Cryptography – Key management – Having particular key generator

System for the simultaneous coding of a number of television sig

Cryptography – Communication system using cryptography – Symmetric key cryptography

System for transfer of secure mission data

Cryptography – Communication system using cryptography – Time segment interchange

System for translating encrypted data