| Patents for H04L 9 - Arrangements for secret or secure communication (111,914) |
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| 03/03/2004 | CN1479486A Paper electronic repaying card |
| 03/03/2004 | CN1479484A Equipment and method for hierarchical enciphering |
| 03/03/2004 | CN1479483A Method of realizing safe and reliable interconnection between network equipments |
| 03/03/2004 | CN1479480A Method of consulted encryption algorithm |
| 03/03/2004 | CN1479216A Electronic stamp, IC card, checking system and mobile equipment |
| 03/03/2004 | CN1140995C Conditional access method for digital receivers |
| 03/03/2004 | CN1140974C Method for encryption of information |
| 03/03/2004 | CA2439736A1 Method and apparatus for performing validation of elliptic curve public keys |
| 03/02/2004 | US6701438 Methods and apparatus for providing customizable security and logging protocols in a servlet engine |
| 03/02/2004 | US6701435 Cryptographic key generation system |
| 03/02/2004 | US6701434 Efficient hybrid public key signature scheme |
| 03/02/2004 | US6701378 System and method for pushing information from a host system to a mobile data communication device |
| 03/02/2004 | US6700993 System and method for on-line digital watermark detection |
| 03/02/2004 | US6698662 Devices for hiding operations performed in a microprocesser card |
| 03/02/2004 | CA2151459C Network controller for cable television delivery systems |
| 03/02/2004 | CA2151456C Reprogrammable terminal for suggesting programs offered on a television program delivery system |
| 02/27/2004 | CA2438255A1 Secure encryption key distribution |
| 02/26/2004 | WO2004017617A1 Session key management for public wireless lan supporitng multiple virtual operators |
| 02/26/2004 | WO2004017565A1 Method and system for gsm billing during wlan roaming |
| 02/26/2004 | WO2004017564A1 Method and system for gsm authentication during wlan roaming |
| 02/26/2004 | WO2004017269A1 Method and system for the secure transmission of a confidential code through a telecommunication network |
| 02/26/2004 | WO2004017250A2 System and method for authenticating the source of marked objects |
| 02/26/2004 | WO2004017193A2 Method for universal calculation applied to points of an elliptic curve |
| 02/26/2004 | WO2004017168A2 Transferable meter licenses using smartcard technology |
| 02/26/2004 | WO2004017167A2 Rolling code security system |
| 02/26/2004 | WO2004017155A2 Method of extraction of a secret key |
| 02/26/2004 | WO2003098867A3 Encryption, authentication, and key management for multimedia content pre-encryption |
| 02/26/2004 | WO2003056750A3 Cryptographic system for group signature |
| 02/26/2004 | WO2003028284A9 Secure broadcast system and method |
| 02/26/2004 | WO2003021864A3 Method of reducing the size of an rsa or rabin signature |
| 02/26/2004 | WO2002095748A3 Record carrier with hidden channel |
| 02/26/2004 | WO2001097440A3 Encryption system that dynamically locates keys |
| 02/26/2004 | US20040040022 Method and apparatus for just-in-time provisioning application-related information at a communication device |
| 02/26/2004 | US20040039934 System and method for multimedia authoring and playback |
| 02/26/2004 | US20040039932 Apparatus, system and method for securing digital documents in a digital appliance |
| 02/26/2004 | US20040039930 System for preventing unauthorized use of recording media |
| 02/26/2004 | US20040039929 System and method for authenticating digital content |
| 02/26/2004 | US20040039928 Cryptographic processor |
| 02/26/2004 | US20040039925 Key management |
| 02/26/2004 | US20040039923 System and method for distributing data |
| 02/26/2004 | US20040039922 Method and apparatus for processing arbitrary key bit length encryption operations with similar efficiencies |
| 02/26/2004 | US20040039919 Authentication method, system and apparatus of an electronic value |
| 02/26/2004 | US20040039918 Secure approach to send data from one system to another |
| 02/26/2004 | US20040039917 Authentication query strategizer and results compiler |
| 02/26/2004 | US20040039915 Method of communication between objects |
| 02/26/2004 | US20040039912 Computer networked system and method of digital file management and authentication |
| 02/26/2004 | US20040039911 Content usage authority management system and management method |
| 02/26/2004 | US20040039908 Partial encryption and full authentication of message blocks |
| 02/26/2004 | US20040039907 Data recording apparatus and method and data reproducing apparatus and method |
| 02/26/2004 | US20040039906 Access authorization management system, relay server, access authorization management method, and computer program |
| 02/26/2004 | US20040039819 Method and system for receiving and providing access to information at a web site |
| 02/26/2004 | US20040039783 Multimedia messaging system and method for securely transmitting messages |
| 02/26/2004 | US20040039708 Electronic seal, IC card, authentication system using the same, and mobile device including such electronic seal |
| 02/26/2004 | US20040039257 User authorization system and method for a sedation and analgesia system |
| 02/26/2004 | US20040037424 Information distribution and processing |
| 02/26/2004 | US20040037422 Methods of scrambling and unscrambling a video signal, a system, an encoder, a decoder, a broadcast server, and a data medium for implementing the methods |
| 02/26/2004 | US20040037121 Portable information storage medium and its authentication method |
| 02/26/2004 | CA2496076A1 Method and system for the secure transmission of a confidential code through a telecommunication network |
| 02/26/2004 | CA2495343A1 Method and system for gsm billing during wlan roaming |
| 02/26/2004 | CA2486272A1 Transferable meter licenses using smartcard technology |
| 02/25/2004 | EP1392018A1 Method and apparatus for securely transferring data |
| 02/25/2004 | EP1391853A1 Diversification of the unique identifier of an integrated circuit |
| 02/25/2004 | EP1391810A1 System for managing program stored in storage block of mobile terminal |
| 02/25/2004 | EP1391802A2 Saving and retrieving data based on symmetric key encryption |
| 02/25/2004 | EP1391801A2 Saving and retrieving data based on public key encryption |
| 02/25/2004 | EP1391697A2 Measurement authentication |
| 02/25/2004 | EP1391075A1 Security access system |
| 02/25/2004 | EP1391074A1 Method for secure communication between two devices |
| 02/25/2004 | EP1390851A1 A system and method for secure and convenient management of digital electronic content |
| 02/25/2004 | EP1390828A1 Trust grant and revocation from a master key to secondary keys |
| 02/25/2004 | EP1390826A2 System and method for providing authentication and verification services in an enhanced media gateway |
| 02/25/2004 | CN1478365A A system for ensuring encrypted communication after handover |
| 02/25/2004 | CN1478350A Method of secure transmission of digital data from source to receiver |
| 02/25/2004 | CN1478347A Secure file transfer method and system |
| 02/25/2004 | CN1478342A Transaction certification |
| 02/25/2004 | CN1478223A Authentication method and data transmission system |
| 02/25/2004 | CN1478222A Method and system for processing request of customer |
| 02/25/2004 | CN1477890A Personal information protection method for handset |
| 02/25/2004 | CN1477844A Coding mode of antenna dialing device key |
| 02/25/2004 | CN1477831A Physical layer encryption method based on time-varying MPSK modulation in wireless local area network |
| 02/25/2004 | CN1477824A Method for implementing cleartext quthentication of spanning tree |
| 02/25/2004 | CN1477814A Message safety protection method based on boundary gateway protocol message |
| 02/25/2004 | CN1477811A Formalized description method of network infection behaviour and normal behaviour |
| 02/25/2004 | CN1477810A Dynamic password authentication method based on digital certificate implement |
| 02/25/2004 | CN1477809A Quantum state classical sequence rearrangement encrypition method in quantum key distribution |
| 02/25/2004 | CN1477413A Quantum encoder whose polarization state is modulated by phase and decoder and its application |
| 02/25/2004 | CN1140121C Process for controlling access to domestic network and device inplementing the process |
| 02/25/2004 | CN1140118C Method and apparatus for copy protection for various recording media using video finger print |
| 02/25/2004 | CN1140088C Charging device, information processing system and calculating method |
| 02/25/2004 | CN1140087C Method for authorization check |
| 02/25/2004 | CN1139902C Distribution of certifiers |
| 02/25/2004 | CN1139894C Biological characteristic identification system and method for electronic trade |
| 02/24/2004 | US6697947 Biometric based multi-party authentication |
| 02/24/2004 | US6697946 Message recovery signature apparatus |
| 02/24/2004 | US6697945 Information processing apparatus, information processing method, information processing system and recording medium |
| 02/24/2004 | US6697944 Digital content distribution, transmission and protection system and method, and portable device for use therewith |
| 02/24/2004 | US6697490 Automatic resynchronization of crypto-sync information |
| 02/24/2004 | US6697488 Practical non-malleable public-key cryptosystem |
| 02/24/2004 | US6695207 System for secure, identity authenticated, and immediate financial transactions as well as activation of varied instrumentalities |
| 02/24/2004 | CA2151462C Television program delivery system |