Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 9 - Arrangements for secret or secure communication
Patents for H04L 9 - Arrangements for secret or secure communication (111,914)
10/2003
10/02/2003US20030184840 Phase modulator and phase modulating method
10/02/2003US20030184805 Image processing device, image processing method and image processing system
10/02/2003CA2479729A1 Method and apparatus for remote digital key generation
10/02/2003CA2479602A1 Method and system for conducting a transaction using a proximity device
10/02/2003CA2424144A1 System and method for comprehensive general generic protection for computers against malicious programs that may steal information and/or cause damages
10/01/2003EP1349343A1 Communication devices with limited copyright protection range
10/01/2003EP1349123A2 Secure identity and privilege system
10/01/2003EP1349122A1 Method and system for user authentication in a digital communication system
10/01/2003EP1349045A2 System for controlling the distribution and use of digital works using digital tickets
10/01/2003EP1349044A2 System for controlling the distribution and use of digital works using digital tickets
10/01/2003EP1349043A2 System for controlling the distribution and use of digital works having a fee reporting mechanism
10/01/2003EP1349042A2 System for controlling the distribution and use of digital works using digital tickets
10/01/2003EP1349041A2 System for controlling the distribution and use of digital works using digital tickets
10/01/2003EP1349040A2 System for controlling the distribution and use of digital works using digital tickets
10/01/2003EP1349039A2 System for controlling the distribution and use of digital works using digital tickets
10/01/2003EP1349038A2 System for controlling the distribution and use of digital works having a fee reporting mechanism
10/01/2003EP1349034A2 Service providing system in which services are provided from service provider apparatus to service user apparatus via network
10/01/2003EP1349033A1 A method of protecting the integrity of a computer program
10/01/2003EP1348291A2 Method of secure transmission of digital data from a source to a receiver
10/01/2003EP1348287A1 Pointers to encrypted data in rtp header
10/01/2003EP1348280A1 Authentication in data communication
10/01/2003EP1348279A1 Transaction certification
10/01/2003EP1348278A1 Quantum cryptography transmission method and system
10/01/2003EP1348277A1 Quantum cryptography method and system
10/01/2003EP1348276A2 Threshold cryptography scheme for conditional access systems
10/01/2003EP1348275A1 Counter-measure method in an electronic component using a secret key encryption algorithm
10/01/2003EP1348274A2 Local authentication in a communication system
10/01/2003EP1348194A2 System and method for switching voltage
10/01/2003EP1348152A2 Method and apparatus for managing secure collaborative transactions
10/01/2003EP1348151A2 System and method for the secure distribution of digital content in a sharing network
10/01/2003EP1182777B1 Self-corrective randomizer-encryptor system and method
10/01/2003CN1446418A Securing arbitrary communication services
10/01/2003CN1446331A System, methods, and software for remote password authentication using multiple servers
10/01/2003CN1446329A Mobile electronic transaction personal proxy
10/01/2003CN1446015A Systme for preventing altering electronic memory
10/01/2003CN1445977A Memory device capable of arbitrary setting recording area of secret data
10/01/2003CN1445964A Wireless network access switching port
10/01/2003CN1445963A Method for controlling network access in radio environment and its recording medium
10/01/2003CN1445707A Service submitting system for supplying service to user equipment from service submitting equipment
10/01/2003CN1445693A Safety digital data form and code forced implement policy
10/01/2003CN1123243C Enerypted broadcast messages in cellular communications system
10/01/2003CN1123226C Copy prevention method and apparatus for digital video system
10/01/2003CN1123159C Method and apparatus for encryption radio traffic in telecommunications network
10/01/2003CN1122951C Method for storing and operating sensitive information in security module and associated security module
09/2003
09/30/2003US6629243 Secure communications system
09/30/2003US6628786 Distributed state random number generator and method for utilizing same
09/30/2003US6628198 Security system for preventing a personal computer from being stolen or used by unauthorized people
09/25/2003WO2003079689A1 Content playback apparatus, method, and program, and key management apparatus and system
09/25/2003WO2003079687A1 Conditional access control
09/25/2003WO2003079683A2 Secure method of storing encrypted data on a personal digital recorder
09/25/2003WO2003079626A1 System and method for checking digital certificate status
09/25/2003WO2003079609A1 Method and device for the generation of checkable forgery-proof documents
09/25/2003WO2003079608A1 Encryption key hiding and recovering method and system
09/25/2003WO2003079607A1 Session key distribution methods using a hierarchy of key servers
09/25/2003WO2003079349A2 Improvements relating to security in digital data distribution
09/25/2003WO2003079270A1 Method and apparatus for processing usage rights expressions
09/25/2003WO2003079269A1 Rights expression profile system and method using templates and profiles
09/25/2003WO2003079266A1 Authenticatable positioning data
09/25/2003WO2003079167A1 Single sign-on secure service access
09/25/2003WO2003079166A1 Method and system for controlling access to content
09/25/2003WO2003079156A2 System and method for graphical rights expressions
09/25/2003WO2003077955A1 System and method for expressing usage rights using modulated signals
09/25/2003WO2003036886A3 Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers
09/25/2003WO2003010668A3 System and method for field diagnosis of wireless communications device system software
09/25/2003WO2003009513A3 Secure communication system and method using shared random source for key changing
09/25/2003WO2003005178A3 Recording apparatus, medium, method, and related computer program
09/25/2003WO2002082714A3 Device and method for use in quantum cryptography
09/25/2003WO2002078594A3 Medicament dispenser
09/25/2003WO2002078419B1 Data protection system that protects data by encrypting the data
09/25/2003WO2002054708A3 System and method for providing load balanced secure media content and data delivery in a distributed computed environment
09/25/2003WO2002052765A3 Security communication packet processing apparatus and the method thereof
09/25/2003WO2002003299A3 Method for authenticating and securing integrated bookstore entries
09/25/2003US20030182586 Information-processing apparatus having a user-switching function and user-switching method for use in the apparatus
09/25/2003US20030182581 Server apparatus, communication terminal apparatus, delivery system and delivery program
09/25/2003US20030182574 Secure digital data format and code enforced policy
09/25/2003US20030182565 Data protection system that protects data by encrypting the data
09/25/2003US20030182564 Data protection system with address re-mapping mechanism for the protected zone of storage devices or media
09/25/2003US20030182559 Secure communication apparatus and method for facilitating recipient and sender activity delegation
09/25/2003US20030182556 Method and system to secure a connection application for distribution to multiple end-users
09/25/2003US20030182555 Methods and device for digitally signing data
09/25/2003US20030182554 Authenticated ID-based cryptosystem with no key escrow
09/25/2003US20030182553 End-to end protection of media stream encryption keys for voice-over-IP systems
09/25/2003US20030182552 Method of managing digital signature, apparatus for processing digital signature, and a computer readable medium for recording program of managing digital signature
09/25/2003US20030182550 System and method for dynamic activation of enterprise Java beans
09/25/2003US20030182527 Write Protection State Change Initiation Sequence
09/25/2003US20030182452 System and method for implementing a schema object model in application integration
09/25/2003US20030182435 Data security system and method for portable device
09/25/2003US20030179914 Content data processing system, electronic device apparatus, and server device
09/25/2003US20030179886 Information recording/reproducing apparatus and method of executing encryption processing
09/25/2003US20030179885 Hierarchical identity-based encryption and signature schemes
09/25/2003US20030179884 Data processing with a key
09/25/2003US20030179882 Variable-length/fixed-length data conversion method and apparatus
09/25/2003US20030179881 Method for storing encrypted data
09/25/2003CA2642320A1 System and method for supporting multiple certificate status providers on a mobile communication device
09/25/2003CA2479184A1 Improvements relating to security in digital data distribution
09/25/2003CA2479183A1 Single sign-on secure service access
09/25/2003CA2479144A1 Method and device for the generation of checkable forgery-proof documents
09/25/2003CA2478114A1 Secure method of storing encrypted data on a personal digital recorder
09/25/2003CA2474915A1 Session key distribution methods using a hierarchy of key servers
09/24/2003EP1347596A1 Digital signature methods and apparatus
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