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)
08/2002
08/14/2002CN1364284A Block encryption device and method of using auxiliary conversion, and record media therefor
08/14/2002CN1089205C High-speed data disordering method
08/13/2002US6434699 Encryption processor with shared memory interconnect
08/13/2002US6434561 Method and system for accessing electronic resources via machine-readable data on intelligent documents
08/13/2002US6434379 Method for dynamic management of a prepaid terminal subscription
08/13/2002US6434238 Multi-purpose transaction card system
08/08/2002WO2002062054A2 Initial viewing period for authorization of multimedia content
08/08/2002WO2002062011A2 Method and apparatus for masking secret multiplicands
08/08/2002WO2002062010A2 Method and system for the encryption of data
08/08/2002WO2002062008A2 Partial encryption of assembled bitstreams
08/08/2002WO2002062007A1 Computer networked system and method of digital file management and authentication
08/08/2002WO2002061694A1 Method for preventing forgery of every kinds of lottery-ticket, exchange-ticket, certificate published by communication network and id-card, credit-card, medical insurance card with authentication code
08/08/2002WO2002061550A2 Method and system for securing a computer network and personal identification device used therein for controlling access to network components
08/08/2002WO2002019590A3 Methods and device for digitally signing data
08/08/2002WO2001082037A3 Security link management in dynamic networks
08/08/2002WO2001022200A9 Electronic voting scheme employing permanent ballot storage
08/08/2002US20020108061 Methods of communication
08/08/2002US20020108060 Method and apparatus for login authentication
08/08/2002US20020108055 Data processing system, data processing method, and program providing medium
08/08/2002US20020108051 Method for secure storage of sensitive data in a silicon chip integrated system storage in particular a smart card and integrated system therefor
08/08/2002US20020108048 Methods and apparatus for implementing a cryptography engine
08/08/2002US20020108044 Digital signature generating method and digital signature verifying method
08/08/2002US20020108043 Method and apparatus for encrypting and decrypting data using encrypting key contained in electronic watermark
08/08/2002US20020108042 Public key certificate issuing system, Public key certificate issuing method, digital certification apparatus, and program storage medium
08/08/2002US20020108041 Public key certificate issuing system, public key certificate issuing method, information processing apparatus, information recording medium, and program storage medium
08/08/2002US20020108040 Threshold cryptography scheme for conditional access systems
08/08/2002US20020108039 Authentication apparatus, user authentication method, user authentication card and storage medium
08/08/2002US20020108038 Mobile unit authenticating method
08/08/2002US20020108036 Data processing system, data processing method, data processing apparatus, license system, and program providing medium
08/08/2002US20020107814 Certificate revocation system
08/08/2002US20020107804 System and method for managing trust between clients and servers
08/08/2002US20020107798 Method for making secure the pre-initialising phase of a silicon chip integrated system, in particular a smart card and integrated system therefor
08/08/2002US20020107595 Data transfer system, data transfer apparatus, data recording apparatus, data transfer method, and recording medium
08/08/2002US20020106192 Contents data, recording medium, recording method and device, reproducing method and device
08/08/2002US20020106104 Synchronizing readers of hidden auxiliary data in quantization-based data hiding schemes
08/08/2002US20020106087 Method for assigning encryption keys
08/08/2002US20020106085 Security breach management
08/08/2002US20020106084 Encryption method and apparatus
08/08/2002US20020106080 Methods and apparatus for implementing a cryptography engine
08/08/2002US20020106079 Method and apparatus for altering the strength of an encryption system
08/08/2002US20020106078 Methods and apparatus for implementing a cryptography engine
08/08/2002US20020105962 Transmitting station for wireless telephone system with diversity transmission and method
08/08/2002US20020105410 Means, apparatus, and method of security and convenience through voluntary disclosure
08/08/2002DE10102368A1 Verfahren, Zentrale Instanz, Programm und Anordnung zur gesicherten Informationsübermittlung in einem Kommunikationsnetz Method, headquarters instance, program and system for secure information transmission in a communication network
08/08/2002CA2436678A1 Partial encryption of assembled bitstreams
08/08/2002CA2433538A1 Method and system for securing a computer network and personal identification device used therein for controlling access to network components
08/08/2002CA2427136A1 Initial viewing period for scalable authorization of streaming multimedia content
08/07/2002EP1229496A2 Information terminal apparatus and authenticating system
08/07/2002EP1229476A2 Method and system for securely distributing computer software products
08/07/2002EP1229427A2 Microprocessor using public key decryption processing
08/07/2002EP1229424A2 Method and apparatus for synchronizing real-time clocks of time stamping cryptographic modules
08/07/2002EP1228653A1 System for electronic delivery of a personal identification code
08/07/2002EP1228642A1 Centralised cryptographic system and method with high cryptographic rate
08/07/2002EP1228597A2 Method and apparatus for efficient irregular synchronization of a stream cipher
08/07/2002EP1228504A1 Decoding of information in audio signals
08/07/2002EP1228462A2 Ephemeral decryptability
08/07/2002EP1228459A1 Method and system for providing information in a document
08/07/2002EP1228419A1 Document request via interface surface
08/07/2002EP1228409A1 Wireless security access management for a portable data storage cartridge
08/07/2002EP1228407A2 Web environment access control
08/07/2002CN1363195A Integrity check in communication system
08/07/2002CN1363160A Distributed group key management scheme for secure many-to-many communication
08/07/2002CN1363077A Data processing apparatus and data processing method
08/07/2002CN1362811A 数据传送方法和数据传送系统 Data transmission method and data transmission system
08/07/2002CN1362810A 数据传输方法和数据传输系统 Data transmission method and data transmission system
08/07/2002CN1362809A Data transmission method and equipment based on network
08/07/2002CN1088872C Method and apparatus for authenticating a data carrier intended to enable a transactino or access
08/06/2002US6430690 Secure one-way authentication communication system
08/06/2002US6430689 System for securely transporting objects in a tamper-proof container, wherein at least one recipient station is mobile and portable
08/06/2002US6430407 Method, apparatus, and arrangement for authenticating a user to an application in a first communications network by means of a mobile station communicating with the application through a second communications network
08/06/2002US6430345 Method and device for producing a choice of either single photons or pairs of photons in an optical channel
08/06/2002US6430292 System and method for controlling disclosure time of information
08/06/2002US6430290 Conditional access
08/06/2002US6430246 Method and apparatus for generating a stream cipher
08/06/2002US6428155 Printer cartridge including machine readable ink
08/06/2002CA2252649C A system and method for secure network electronic payment and credit collection
08/01/2002WO2002060210A1 Method for enabling pki functions in a smart card
08/01/2002WO2002060148A2 Efficient revocation of registration authorities
08/01/2002WO2002060121A1 A platform and method for securely transmitting authorization data
08/01/2002WO2002060120A1 Method and apparatus for enabling a supplier to verify the validity of consumption information
08/01/2002WO2002060119A1 Authenticating communications
08/01/2002WO2002060118A2 Method for tracing traitor receivers in a broadcast encryption system
08/01/2002WO2002060117A1 Method and apparatus for verifying the integrity of computer networks and implementation of counter measures
08/01/2002WO2002060116A2 Method for broadcast encryption
08/01/2002WO2002060112A2 Apparatus, method and system for multiple resolution affecting information access
08/01/2002WO2002060110A2 Apparatus, method, and system for accessing digital rights management information
08/01/2002WO2002060087A2 Improvements to loop data broadcasting
08/01/2002WO2002059894A1 Recording medium, information processing device, content distribution server, method, program, and its recording medium
08/01/2002WO2002059797A1 Apparatus, method and system for directory quality assurance
08/01/2002WO2002059739A1 Apparatus method and system for registration effecting information access
08/01/2002WO2002059728A2 Method and system for obtaining digital signatures
08/01/2002WO2002059725A2 Methods and systems for electronically representing records of obligations
08/01/2002WO2002059724A2 Apparatus, method and system for tracking information access
08/01/2002WO2002058453A2 Apparatus, method and system for effecting information access in a peer environment
08/01/2002WO2001096975A3 Authentication system for connecting client to server providing particular information using dedicated system and method therefor
08/01/2002WO2001092994A3 Method for biometric encryption of e-mail
08/01/2002WO2001082038A3 Security link management in dynamic networks
08/01/2002WO2001061914A3 Method and apparatus for balanced electronic operations
08/01/2002WO2001003110A9 Off-site detention monitoring system
08/01/2002WO2000045546A8 Multiple level public key hierarchy for performance and high security
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