Patent Examiner: Laufer; Pinchus M.

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File editing system and shared file editing system with file content secrecy, file version management, and asynchronous editing
Inventor: Shimbo, et al. | Patent Number: 6760840

Random number generator and method for same
Inventor: Borza, et al. | Patent Number: 6215874

Certifying authorization in computer networks
Inventor: Geer, Jr., et al. | Patent Number: 6212634

Digital content management system using electronic watermark
Inventor: Saito | Patent Number: 6182218

Tamper-proof devices for unique identification
Inventor: Rosen | Patent Number: 6175921

Importing information onto a chip card
Inventor: Deindl, et al. | Patent Number: 6173401

Method and apparatus for cryptographically camouflaged cryptographic key storage, certification and use
Inventor: Kausik | Patent Number: 6170058

PC-based open metering system and method
Inventor: Cordery, et al. | Patent Number: 6157919

Rolling code security system
Inventor: Farris, et al. | Patent Number: 6154544

Method and apparatus for simultaneously encrypting and compressing data
Inventor: Crandall | Patent Number: 6154542

Method and apparatus for a robust high-speed cryptosystem
Inventor: Zhang | Patent Number: 6154541

System and method for preventing a first node from being emulated by another node
Inventor: Friedman, et al. | Patent Number: 6151679

Network open metering system
Inventor: Cordery, et al. | Patent Number: 6151590

Restrictedly blindable certificates on secret keys
Inventor: Brands | Patent Number: 6148084

Key transmission system
Inventor: Vanstone, et al. | Patent Number: 6134325

Certificate based security in SNA data flows
Inventor: Doyle, et al. | Patent Number: 6128738

Message guaranty system
Inventor: Saito | Patent Number: 6115735

Anti-counterfeiting method and apparatus using digital screening
Inventor: Koltai, et al. | Patent Number: 6104812

Security method for making secure an authentication method that uses a secret key algorithm
Inventor: Thiriet | Patent Number: 6101254

Data copyright management method
Inventor: Saito | Patent Number: 6097818

Crypt key system
Inventor: Momiki, et al. | Patent Number: 6097816

Security method and system for persistent storage and communications on computer network systems and computer network systems employing the same
Inventor: Morgan, et al. | Patent Number: 6088799

Tamper-proof electronic processing device
Inventor: Rosen | Patent Number: 6088797

Automatic toll adjusting system, and storage medium with a radio communication function, frequency converting apparatus, writing apparatus, settling apparatus, depositing apparatus and inquiring apparatus therefor
Inventor: Hoshino, et al. | Patent Number: 6088680

Methods and apparatus for selectively reproducing segments of broadcast programming
Inventor: Logan, et al. | Patent Number: 6088455

Encoding technique for software and hardware
Inventor: Johnson, et al. | Patent Number: 6088452

Method and apparatus for establishing the authenticity of an electronic document
Inventor: Romney, et al. | Patent Number: 6085322

Communicating encrypted signals in which random bits and random bit position data are inserted
Inventor: Maebara, et al. | Patent Number: 6084966

Method and system for secure computer moderated voting
Inventor: Challener, et al. | Patent Number: 6081793

Cryptographic system and method with fast decryption
Inventor: Dai | Patent Number: 6081598

IC memory card
Inventor: Fukuzumi | Patent Number: 6079019

Data management system
Inventor: Saito | Patent Number: 6076077

Apparatus and method for authentication and encryption of a remote terminal over a wireless link
Inventor: Ketcham | Patent Number: 6075860

Personal computer having a security function, a method of implementing the security function, and methods of installing and detaching a security device to/from a computer
Inventor: Kong | Patent Number: 6069953

Data copyright management system
Inventor: Saito, et al. | Patent Number: 6069952

System and method for copy-protecting distributed video content
Inventor: Davis | Patent Number: 6064739

Network computer system with remote user data encipher methodology
Inventor: Bodnar | Patent Number: 6061790

P-code enhanced method for processing encrypted GPS signals without knowledge of the encryption code
Inventor: Meehan, et al. | Patent Number: 6061390

Method and device for facilitating access to a multitude of alphanumeric sequences
Inventor: Karlsson | Patent Number: 6055635

Secure internal communication system
Inventor: Severwright | Patent Number: 6055634

System for ensuring that the blinding of secret-key certificates is restricted, even if the issuing protocol is performed in parallel mode
Inventor: Brands | Patent Number: 6052467

Synchronized chaotic system and communication system using synchronized chaotic system
Inventor: Kim | Patent Number: 6049614

Variable length nonlinear feedback shift registers with dynamically allocated taps
Inventor: Ablowitz, et al. | Patent Number: 6049608

Common session token system and protocol
Inventor: Kunzelman, et al. | Patent Number: 6041357

Secret key cryptosystem and method utilizing factorizations of permutation groups of arbitrary order 2.sup.l
Inventor: Magliveras, et al. | Patent Number: 6038317

High speed and method of providing high speed table generation for block encryption
Inventor: Mittenthal | Patent Number: 6035042

Optimal-resilience, proactive, public-key cryptographic system and method
Inventor: Frankel, et al. | Patent Number: 6035041

System for securely storing and reading encrypted data on a data medium using a transponder
Inventor: Kulinets | Patent Number: 6005940

Universal decoder
Inventor: Lee | Patent Number: 6005937

Method and system of using personal information as a key when distributing information
Inventor: Civanlar | Patent Number: 6005935

Remote financial transaction system
Inventor: Hopkins | Patent Number: 5999624

Biometric input with encryption
Inventor: Borza | Patent Number: 5995630

Failsafe security system and method
Inventor: Kitaj, et al. | Patent Number: 5995628

Method of sharing cryptokey
Inventor: Baba | Patent Number: 5987129

Method of effecting communications using common cryptokey
Inventor: Baba | Patent Number: 5987128

Co-planar electromagnetic profile scanner
Inventor: Hermary, et al. | Patent Number: 5986745

Method of detaching a security device from a personal computer
Inventor: Kong | Patent Number: 5983352

Certification process
Inventor: Hsu, et al. | Patent Number: 5982898

Combined remote access and security system
Inventor: Johnson | Patent Number: 5970149

System and method for protecting use of dynamically linked executable modules
Inventor: McManis | Patent Number: 5970145

Variable mask for encryption generated independently at communications stations
Inventor: Hosford, et al. | Patent Number: 5966450

Secure file archive through encryption key management
Inventor: Cane, et al. | Patent Number: 5940507

System for securely exchanging data with smart cards
Inventor: Lee | Patent Number: 5923759

Encrypting method and apparatus, recording method, decrypting method and apparatus, and recording medium
Inventor: Ishiguro, et al. | Patent Number: 5917910

Method and apparatus for securing programming data of programmable logic device
Inventor: Sung, et al. | Patent Number: 5915017

Information receiving and recording/reproducing apparatus/method having function for limiting/delimiting for protecting copyright of recording information
Inventor: Sasamoto, et al. | Patent Number: 5912969

System and method for session management
Inventor: Bachman, et al. | Patent Number: 5907621

Try before you buy software distribution and marketing system
Inventor: Ronning | Patent Number: 5907617

System and apparatus for monitoring secure information in a computer network
Inventor: Mital | Patent Number: 5903652

Self-launching encrypted digital information distribution system
Inventor: Ronning | Patent Number: 5903647

Quasi-reprographics with variable embedded data with applications to copyright management, and distribution control
Inventor: Hecht | Patent Number: 5901224

Method and apparatus for generating personal identification numbers for use in consumer transactions
Inventor: Beach, et al. | Patent Number: 5892827

Data processor with flexible data encryption
Inventor: Brown, et al. | Patent Number: 5892826

Encryption system with transaction coded decryption key
Inventor: Eller, et al. | Patent Number: 5889860

Central database system for automatic software program sales
Inventor: Ronning | Patent Number: 5887060

Personal computer having a security function, a method of implementing the security function, and methods of installing and detaching a security device to/from a computer
Inventor: Kong | Patent Number: 5884026

On-line try before you buy software distribution system
Inventor: Ronning | Patent Number: 5883955

Self-launching encrypted try before you buy software distribution system
Inventor: Ronning | Patent Number: 5883954

Data scramble transmission system
Inventor: Nohara, et al. | Patent Number: 5881154

Method for obtaining authenticity identification devices for using services in general, and device obtained thereby
Inventor: Ippolito, et al. | Patent Number: 5878137

Secure access systems utilizing more than one IC card
Inventor: Handelman, et al. | Patent Number: 5878134

Method and apparatus for witnessed authentication of electronic documents
Inventor: Romney, et al. | Patent Number: 5872848

Electronic encryption device and method
Inventor: Anderson, et al. | Patent Number: 5857025

Space efficient method of redeeming electronic payments
Inventor: Demers, et al. | Patent Number: 5857023

Methods of detecting decryption errors
Inventor: Lockhart, et al. | Patent Number: 5841873

Method for authenticating a user working in a distributed environment in the client/server mode
Inventor: Pinkas | Patent Number: 5841871

Statistically optimized bit permutations in interated block substitution systems
Inventor: Mittenthal | Patent Number: 5838796

Method and apparatus for statistical diffusion in iterated block substitution
Inventor: Mittenthal | Patent Number: 5838795

Method and apparatus for inter-round mixing in iterated block substitution systems
Inventor: Mittenthal | Patent Number: 5838794

File editing system and shared file editing system with file content secrecy, file version management, and asynchronous editing
Inventor: Shimbo, et al. | Patent Number: 5835601

Block encryption algorithm with data-dependent rotations
Inventor: Rivest | Patent Number: 5835600

Protecting images with an image watermark
Inventor: Braudaway, et al. | Patent Number: 5825892

Transmitting and receiving apparatus for full code correlation operation under encryption for satellite positioning system
Inventor: Lennen | Patent Number: 5825887

System and method for copy-protecting distributed video content
Inventor: Davis | Patent Number: 5825879

Process for loading a protected storage zone of an information processing device, and associated device
Inventor: Ugon | Patent Number: 5825875

Scheme to allow two computers on a network to upgrade from a non-secured to a secured session
Inventor: Caronni, et al. | Patent Number: 5822434

Methods and apparatus for securely encrypting data in conjunction with a personal computer
Inventor: Clark | Patent Number: 5815577

Computer system with secured data paths and method of protection
Inventor: Finley | Patent Number: 5815571

Apparatus for radio local loop system
Inventor: Daniel, et al. | Patent Number: 5802177

Scalable key agile cryptography
Inventor: Markham | Patent Number: 5796836

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