Patents for H04L 9 - Arrangements for secret or secure communication (111,914)
12/2004
12/02/2004WO2004105306A1 Method and apparatus for a low memory hardware implementation of the key expansion function
12/02/2004WO2004105305A1 Device and method for encrypting and decrypting a block of data
12/02/2004WO2004105304A1 Secure data transmission between two modules
12/02/2004WO2004105296A2 Scure communication
12/02/2004WO2004105289A2 Methods and systems for high-data-rate quantum cryptography
12/02/2004WO2004105285A2 Method for utilizing multiple level encryption
12/02/2004WO2004104899A2 Method and system for authentication of a physical object
12/02/2004WO2004104797A1 Use of certified secrets in communication
12/02/2004WO2004104793A2 System and method for entreprise security monitoring and configuration management
12/02/2004WO2004104792A2 System and method for electronic document security
12/02/2004WO2004104788A2 Methods and systems for determining security requirements for an information resource
12/02/2004WO2004104780A2 Method and system for providing fraud detection for remote access services
12/02/2004WO2004077794A3 Web site management system and method
12/02/2004WO2004068771B1 Apparatus and method for single encryption with multiple authorization of distributed content data
12/02/2004WO2004063842A3 Flexible hardware implementation of hash functions
12/02/2004WO2004038975A3 Efficient encryption and authentication for data processing systems
12/02/2004WO2004023263A3 System for allowing network traffic through firewalls
12/02/2004US20040243978 Multi-level boot hierarchy for software development on an integrated circuit
12/02/2004US20040243856 Four factor authentication system and method
12/02/2004US20040243854 Password input apparatus
12/02/2004US20040243850 Apparatus for limiting use of particular network address
12/02/2004US20040243845 System and method for process-based security in a network device
12/02/2004US20040243842 System server computer and method for monitoring the input rights of a user
12/02/2004US20040243840 System and method for the selection and adaptation of wireless device operating profile
12/02/2004US20040243838 Distributed authentication in a protocol-based sphere of trust in which a given external connection outside the sphere of trust may carry communications from multiple sources
12/02/2004US20040243835 Multilayer access control security system
12/02/2004US20040243834 System for controlling the distribution and use of digital works utilizing digital tickets
12/02/2004US20040243832 Verification of a person identifier received online
12/02/2004US20040243830 Method and system of secret communication
12/02/2004US20040243828 Method and system for securing block-based storage with capability data
12/02/2004US20040243827 Method and system for managing access control
12/02/2004US20040243826 Computer data protection control device
12/02/2004US20040243825 Netsafe computer security switch
12/02/2004US20040243824 Securely authorizing the performance of actions
12/02/2004US20040243823 Method and apparatus for determining access permission
12/02/2004US20040243820 Information-embedding apparatus and method, tampering-detecting apparatus and method, and recording medium
12/02/2004US20040243819 Using a flexible rights template to obtain a signed rights label (SRL) for digital content in a rights management system
12/02/2004US20040243816 Querying encrypted data in a relational database system
12/02/2004US20040243815 System and method of distributing and controlling rights of digital content
12/02/2004US20040243814 Digital work protection system, recording apparatus, reproduction apparatus, and recording medium
12/02/2004US20040243813 Rolling code security system
12/02/2004US20040243811 Electronic signature method with a delegation mechanism, and equipment and programs for implementing the method
12/02/2004US20040243808 Information processing device, method, and program
12/02/2004US20040243807 Runtime digital signatures
12/02/2004US20040243805 Digital certificate management system, digital certificate management apparatus, digital certificate management method, program and computer readable information recording medium
12/02/2004US20040243804 Network access control method, information providing apparatus, and certificate issuing apparatus for network access
12/02/2004US20040243801 Trusted device
12/02/2004US20040243800 End-to-end reliable messaging with complete acknowledgement
12/02/2004US20040243799 Query optimization in encrypted database systems
12/02/2004US20040243621 Creation method of table, creation apparatus, creation program and program storage medium
12/02/2004US20040243496 Financial information input method using symmetrical key security algorithm and commercial transaction system for mobile communications
12/02/2004US20040243356 Data processing apparatus and method
12/02/2004US20040242198 Cellular telephone, control system for controlling device mounted on vehicle, cellular telephone control method, control method for controlling device mounted on vehicle, cellular telephone control program, control program for controlling device mounted on vehicle, and recording medium co
12/02/2004US20040240672 Public key cryptographic method based on braid groups
12/02/2004US20040240671 Method for remote loading of an encryption key in a telecommunication network station
12/02/2004US20040240669 Securing neighbor discovery using address based keys
12/02/2004US20040240667 Method and apparatus for increasing the entropy of a pseudorandom number
12/02/2004US20040240666 Directoryless public key cryptographic system and method
12/02/2004US20040240588 Compensation for non-linear distortion in a modem receiver
12/02/2004US20040240411 Wireless information transmitting system, radio communication method, radio station, and radio terminal device
12/02/2004US20040239991 Printer for generating a coded interface
12/02/2004US20040239728 Fluid ejecting actuator for multiple nozzles of a printhead
12/02/2004CA2526132A1 Methods and systems for enabling collaborative authoring of hierarchical documents
12/02/2004CA2524371A1 System and method for electronic document security
12/01/2004EP1482704A2 Distributed authentication in a protocol-based sphere of trust in which a given external connection outside the sphere of trust may carry communications from multiple sources
12/01/2004EP1482498A2 Copy protection of optical media
12/01/2004EP1482392A2 Processor with external memory
12/01/2004EP1481535A1 System and method for acoustic two factor authentication
12/01/2004EP1481524A1 Detection of duplicate client identities in a communication system
12/01/2004EP1481509A1 Code generator and device for synchronous or asynchronous and permanent identification or encoding and decoding of data of any particular length
12/01/2004EP1481508A1 Multi-method gateway-based network security systems and methods
12/01/2004EP1400056B1 Cryptographic authentication process
12/01/2004EP1350356A4 A method and system for authorizing generation of asymmetric crypto-keys
12/01/2004EP1222768B1 Network printer registration protocol
12/01/2004EP1208681B1 Computer system identification
12/01/2004EP1127425A4 Apparatus and methods for cryptographic synchronization in packet based communications
12/01/2004EP1125395B1 Method and array for authenticating a first instance and a second instance
12/01/2004EP1105994A4 Time-stamping with binary linking schemes
12/01/2004EP0927473B1 Methods and apparatus for enhanced cmea including a cmea iteration preceded and followed by transformations and employing an involutary lookup
12/01/2004CN2660798Y Gate inhibition management device of outdoor communication device
12/01/2004CN1552138A Method and apparatus for constructing digital certificates
12/01/2004CN1552023A Recording device, recording medium, program and method
12/01/2004CN1551667A Cell searching method in asyncronous wideband code division multiple access system
12/01/2004CN1551666A Cell searching method in asyncronous wideband code division multiple access system
12/01/2004CN1551562A Method for identifying content provider and ensuring content integrity
12/01/2004CN1551561A Method for realizing high-srate grouped data business identification
12/01/2004CN1551560A Method for acknowledging calling user of portable terminal built in digital camera
12/01/2004CN1551559A Method and device for organising public key based on user_defined identification code cryptographic system
12/01/2004CN1551558A Right protection method, device and programmme for broadcasting context
12/01/2004CN1551557A Cryptographic communication method in communication system
12/01/2004CN1551193A 信息处理机和信息处理方法 Information processor and an information processing method
12/01/2004CN1551045A An IC card with cipher key conversion function
12/01/2004CN1551035A Memory authentication for intrinsically safe field maintenance tools
12/01/2004CN1551003A Dynamic substitution of usb-data for on-the-fly encryption and decryption
12/01/2004CN1178504C Method of downloading of data to MPEG receiver/decoder and MPEG transmission system for implementing the same
12/01/2004CN1178462C Communication terminal device
12/01/2004CN1178456C Method and apparatus for imprinting ID information into a digital content and for reading out the same
11/2004
11/30/2004US6826751 Ambient calculus-based modal logics for mobile ambients
11/30/2004US6826700 Method and apparatus for a web application server to automatically solicit a new password when an existing password has expired
11/30/2004US6826695 Method and system for grouping of systems in heterogeneous computer network