Patents for H04L 9 - Arrangements for secret or secure communication (111,914)
01/2003
01/02/2003US20030002662 Method of a public key encryption and a cypher communication both secure against a chosen-ciphertext attack
01/02/2003US20030001721 Authentication of remote appliance messages using an embedded cryptographic device
01/02/2003EP1271958A2 A method for authenticating animation
01/02/2003EP1271905A2 Recording data in a telecommunication system
01/02/2003EP1271882A2 Methods and systems for controlling the scope of delegation of authentication credentials
01/02/2003EP1271880A2 Method and system for contents control
01/02/2003EP1271875A1 Device arranged for exchanging data, and method of manufacturing
01/02/2003EP1271839A2 AES Encryption circuit
01/02/2003EP1271436A2 A mobile terminal authentication method and a mobile terminal therefor
01/02/2003EP1271279A2 Binding a digital license to a portable device or the like in a digital rights management (DRM) system and checking out/checking in the digital license to/from the portable device or the like
01/02/2003EP1269783A2 Method, and associated apparatus, for generating security keys in a communication system
01/02/2003EP1269683A1 Method for probabilistic digital signatures
01/02/2003EP1269682A1 Method for generating electronic signatures
01/02/2003EP1269681A1 Authentication of data transmitted in a digital transmission system
01/02/2003EP1269679A1 Method for changing the polarisation of at least one photon of the photons which are radiated from a photon pair source to form various partial beam paths and a method for producing individual photons or photon pairs in an optical channel
01/02/2003EP1269431A1 Method for protecting an electronic chip against fraud
01/02/2003EP1125182B1 Distributing access to a data item
01/02/2003EP1002392A4 Digital certificates containing multimedia data extensions
01/02/2003EP0980635B1 Method and device to authenticate subscribers in a mobile radiotelephone systems
01/02/2003EP0941610B1 Method of processing encrypted video data for generating decrypted program data
01/02/2003EP0937348A4 System and method for providing security in data communication systems
01/01/2003CN1389072A A pay-per-use system over a serial bus
01/01/2003CN1389043A Information processing device and processing method
01/01/2003CN1389042A System and mehtod for processing information using encryption key block
01/01/2003CN1389041A Information recording/reproducing apparatus and method
01/01/2003CN1388967A Method and apparatus for recording and/or reproducing data and record medium
01/01/2003CN1388946A System and method for cardless secure credit transaction processing
01/01/2003CN1388716A Apparatus and method for generating scrambled code in mobile communication system
01/01/2003CN1388684A Dynamic adaptive VPN method
01/01/2003CN1388660A Single photon generator
01/01/2003CN1097904C Encryption key management
01/01/2003CN1097903C Licensee notification system
01/01/2003CN1097902C Postage metering system and postage meter testing method
01/01/2003CN1097772C Method and apparatus for protecting applied program data in safety storage zone
12/2002
12/31/2002US6501840 Cryptographic processing apparatus cryptographic processing method and recording medium for recording a cryptographic processing program
12/31/2002US6501767 Mobile IP communication scheme for supporting mobile computer move over different address spaces
12/27/2002WO2002103535A1 Qualification certifying method using variable certification information
12/27/2002WO2002103530A1 Data transfer system, data transfer apparatus, data recording apparatus, data transfer method
12/27/2002WO2002103529A1 Data transfer system, data transfer apparatus, data recording apparatus, data management method, identifier generation method
12/27/2002WO2002103495A1 A method for securing an electronic device, a security system and an electronic device
12/27/2002WO2002089399B1 Ring arithmetic method, system, and apparatus
12/27/2002WO2002082767A3 System and method for distributing security processing functions for network applications
12/27/2002WO2002058357A3 Pre-authentication of users using one-time passwords
12/27/2002WO2002049266A3 Method and device for detecting a key pair and for generating rsa keys
12/26/2002US20020199123 Security architecture for a process control platform executing applications
12/26/2002US20020199117 System for distributing application software
12/26/2002US20020199108 Quantum digital signatures
12/26/2002US20020199105 Information processing apparatus, information processing method, information processing system and recording medium
12/26/2002US20020199103 Method and apparatus for real-time digital certification of electronic files and transactions using entropy factors
12/26/2002US20020199102 Method and apparatus for establishing a shared cryptographic key between energy-limited nodes in a network
12/26/2002US20020199097 Information providing method, information providing system and program
12/26/2002US20020199095 Method and system for filtering communication
12/26/2002US20020199094 Fluid separate conduit cartridge with encryption capability
12/26/2002US20020196946 Method for migrating a base chip key from one computer system to another
12/26/2002US20020196945 Key sharing system, public key cryptosystem, signature system, key sharing apparatus, encryption apparatus, decryption apparatus, signature apparatus, authentication apparatus, key sharing method, encryption method, decryption method, signature method, authentication method, and programs
12/26/2002US20020196936 System for generating pseudorandom sequences
12/26/2002US20020196764 Method and system for authentication in wireless LAN system
12/25/2002CN2528167Y Isolator between local network and internet
12/25/2002CN1387728A Centralised cryptographic system and method with high cryptographic rate
12/25/2002CN1387714A SEt of particular key for proving authenticity of entity or integrity of message
12/25/2002CN1387713A 编码装置 Encoding device
12/25/2002CN1387638A Wireless security access management for portable data storage cartridge
12/25/2002CN1387381A End-to-end encryption method for multifunctional mobile terminal
12/25/2002CN1097352C Radio data communication device
12/24/2002US6499104 Digital signature method
12/24/2002US6499019 Electronic payment device using unbalanced binary tree and the method of the same
12/24/2002US6498837 Method and apparatus capable of performing information providing operation with information security measures
12/24/2002US6498404 Data carrier with obscured power consumption
12/19/2002WO2002102075A1 Device and method for selectively supplying access to a service encrypted using a control word, and smart card
12/19/2002WO2002102055A1 Method of invisibly embedding and hiding data into soft-copy text documents
12/19/2002WO2002102023A1 Authentication of a user across communication sessions
12/19/2002WO2002102018A1 Method for authentication between a portable telecommunication object and a public access terminal
12/19/2002WO2002102011A2 System and method for maintaining state between a client and server
12/19/2002WO2002102009A2 Method for processing encoded messages for exchange with a mobile data communication device
12/19/2002WO2002101984A1 Method and apparatus for creating a message digest using a multiple round one-way hash algorithm
12/19/2002WO2002101983A1 Method and apparatus for distributing enforceable property rights
12/19/2002WO2002101982A1 Cryptographic apparatus and method with multiple port memory
12/19/2002WO2002101980A1 Method for ensuring data transmission security, communication system and communication device
12/19/2002WO2002101979A2 Improved data encryption and decryption system and method
12/19/2002WO2002101978A2 Apparatus and method for a hash processing system using multiple hash storage areas
12/19/2002WO2002101977A1 Single-pass cryptographic processor and method
12/19/2002WO2002101976A1 Security association data cache
12/19/2002WO2002101974A1 Secure ephemeral decryptability
12/19/2002WO2002101973A1 System and method for server security and entitlement processing
12/19/2002WO2002101972A2 Circuit and method for implementing the advanced encryption standard block cipher algorithm in a system having a plurality of channels
12/19/2002WO2002101971A2 Apparatus, system and method for validating integrity of transmitted data
12/19/2002WO2002101580A1 Certificate management and transfer system and method
12/19/2002WO2002101525A2 Apparatus and methods for a hash processing system using integrated message digest and secure hash architectures
12/19/2002WO2002101520A2 Prevention of undesired external detection of operations in integrated digital circuits
12/19/2002WO2002084943A3 Pipelined deciphering round keys generation
12/19/2002WO2002056538A3 Implementation of the shai algorithm
12/19/2002WO2001072011A9 Methods and systems for proofing identities using a certificate authority
12/19/2002US20020194507 Security system for transmission device
12/19/2002US20020194492 Method of protecting and managing digital contents and system for using thereof
12/19/2002US20020194485 Self-protecting documents
12/19/2002US20020194484 On-disk file format for serverless distributed file system with signed manifest of file modifications
12/19/2002US20020194481 Method for authenticating files
12/19/2002US20020194478 Methods and apparatus for providing efficient password-authenticated key exchange
12/19/2002US20020194477 Device authentication apparatus and method, and recorded medium on which device authentication program is recorded
12/19/2002US20020194476 Method and apparatus for uniquely and authoritatively identifying tangible objects