LandOfFree - US Patents - Listing for Cryptography

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

Method and apparatus for enabling mobile-to-mobile calls in a co

Method and apparatus for enabling trial period use of software p

Method and apparatus for enabling trial period use of software p

Method and apparatus for enabling trial period use of software p

Method and apparatus for enabling trial period use of software p

Method and apparatus for enabling trial period use of software p

Method and apparatus for enabling trial period use of software p

Cryptography – Communication system using cryptography – Position dependent or authenticating

Method and apparatus for encapsulating long messages over...

Cryptography – Key management – Having particular key generator

Method and apparatus for encoding and data compressing text info

Method and apparatus for encoding and decoding of audio transmis

Method and apparatus for encoding and decoding signals

Method and apparatus for encoding data objects on a computer sys

Cryptography – Key management – Key escrow or recovery

Method and apparatus for encoding keys

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

Method and apparatus for encoding security information in a...

Cryptography – Key management – Having particular key generator

Method and apparatus for encoding, transmitting, receiving and d

Cryptography – Key management – Having particular key generator

Method and apparatus for encrypted communication in data network

Cryptography – Communication system using cryptography – Wireless communication

Method and apparatus for encrypted communications using...

Cryptography – Electric signal modification – Having production of printed copy

Method and apparatus for encrypted print processing

Cryptography – Particular algorithmic function encoding

Method and apparatus for encrypting and decrypting data