| Patents for H04L 9 - Arrangements for secret or secure communication (111,914) |
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| 01/28/2004 | EP0923828B1 Quantum cryptography device and method |
| 01/28/2004 | CN1471773A Enforcement of rights and conditions for multimedia content |
| 01/28/2004 | CN1471771A Data protection system that protects data by encrypting the data |
| 01/28/2004 | CN1471665A Speed enhanced cryptographic method and apparatus |
| 01/28/2004 | CN1471663A Receiving device for securely storing a content item, and playback device |
| 01/28/2004 | CN1471661A Multiple encryption of a single document providing multiple level access privileges |
| 01/28/2004 | CN1471326A Method of wireless link encrypting aglorithm for autonomous selective secret communication |
| 01/28/2004 | CN1471274A Smart card remote card-issuing-writing system based on Internet |
| 01/28/2004 | CN1471266A Method for remote loading/degrading programmable logic device for communication system and communication system thereof |
| 01/28/2004 | CN1471260A Encoding and decoding method for realizing user business remote verification dialing protocol |
| 01/28/2004 | CN1471258A Integration method for magic square identity two-way identification and key transmission |
| 01/28/2004 | CN1471241A Inter-target communication method |
| 01/28/2004 | CN1471100A Recording medium, recording medium management method and recording medium management system |
| 01/28/2004 | CN1471022A 电子投票模块以及电子投票方法 Electronic voting and electronic voting methods |
| 01/28/2004 | CN1471021A Media path protection method, system and architecture system |
| 01/28/2004 | CN1471005A 信息内容管理系统 Content management system |
| 01/28/2004 | CN1470998A System and method for protecting video card output |
| 01/28/2004 | CN1136692C Data conversion apparatus and date conversion method |
| 01/28/2004 | CN1136512C Method of token verification in key management system |
| 01/27/2004 | US6684331 Method and apparatus for distributing and updating group controllers over a wide area network using a tree structure |
| 01/27/2004 | US6684330 Cryptographic information and flow control |
| 01/27/2004 | US6684200 Cashless vending machine |
| 01/27/2004 | US6684198 Program data distribution via open network |
| 01/27/2004 | US6683956 Encrypting conversion apparatus, decrypting conversion apparatus, cryptographic communication system, and electronic toll collection apparatus |
| 01/27/2004 | US6683955 Method for receiving a secured transmission of information through a plurality of frequency orthogonal subchannels |
| 01/27/2004 | US6683954 Key encryption using a client-unique additional key for fraud prevention |
| 01/27/2004 | US6683953 Encoding method, encoding-decoding apparatus, and code communications system |
| 01/27/2004 | CA2292667C Apparatus and method of reading a program into a processor |
| 01/23/2004 | CA2545472A1 Image processing method |
| 01/22/2004 | WO2004008684A1 False alteration prevention signature method |
| 01/22/2004 | WO2004008683A2 Automated network security system and method |
| 01/22/2004 | WO2004008682A1 Device and method for performing a cryptoalgorithm |
| 01/22/2004 | WO2004008676A2 Network attached encryption |
| 01/22/2004 | WO2004008333A1 Securely persisting network resource identifiers |
| 01/22/2004 | WO2004008284A2 System and method for remote supervision and authentication of user activities at communication network workstations |
| 01/22/2004 | WO2004008282A2 Personal authentication software and systems for travel privilege assignation and verification |
| 01/22/2004 | WO2003093950A3 Localized audio networks and associated digital accessories |
| 01/22/2004 | WO2003001723A3 Stabilised secure algorithms |
| 01/22/2004 | WO2002080444A3 Method and apparatus for streaming data using rotating cryptographic keys |
| 01/22/2004 | WO2002021464A3 System and method of bootstrapping a temporary public -key infrastructure from a cellular telecommunication authentication and billing infrastructure |
| 01/22/2004 | US20040015725 Client-side inspection and processing of secure content |
| 01/22/2004 | US20040015724 Logical access block processing protocol for transparent secure file storage |
| 01/22/2004 | US20040015723 Secure network file access controller implementing access control and auditing |
| 01/22/2004 | US20040015713 Data transfer system, data transfer apparatus, data-recording apparatus, data management method, identifier generation method |
| 01/22/2004 | US20040015707 Control system for protecting external program codes |
| 01/22/2004 | US20040015706 Finding matching locations, trajectories or attributes while maintaining privacy of non-matching information |
| 01/22/2004 | US20040015705 Method for secure biometric authentication/identification, biometric data input module and verfication module |
| 01/22/2004 | US20040015693 Communication apparatus communication system and communication method |
| 01/22/2004 | US20040015691 Frame-level fibre channel CRC on switching platform |
| 01/22/2004 | US20040015596 Electronic commerce community networks and intra/inter community secure routing implementation |
| 01/22/2004 | US20040015448 Charging system and charging method |
| 01/22/2004 | US20040015446 Usage rights grammar and digital works having usage rights created with the grammar |
| 01/22/2004 | US20040015437 System for providing information using medium indicative of effective term and authorization of charged internet site and settling accounts for use of provided information |
| 01/22/2004 | US20040015426 System and method for expressing usage rights with sound signals |
| 01/22/2004 | US20040014505 Method of saving power by reducing active reception time in standby mode |
| 01/22/2004 | US20040013269 Device and method for securing information associated with a subscriber in a communication apparatus |
| 01/22/2004 | DE10332185A1 Tragbare biodatengeschützte Datenspeichereinheit Portable biodatengeschützte data storage unit |
| 01/22/2004 | DE10229976A1 Verfahren zur Ver- und Entschlüsselung von nach dem Verfahren der priorisierten Pixelübertragung übertragenen oder gespeicherten digitalen Daten A method for encryption and decryption of information transmitted or stored by the process of prioritized pixel transfer digital data |
| 01/22/2004 | CA2491662A1 Personal authentication software and systems for travel privilege assignation and verification |
| 01/21/2004 | EP1383351A2 Device authentication system |
| 01/21/2004 | EP1383328A2 Transmission apparatus and receiving apparatus using encryption |
| 01/21/2004 | EP1383267A1 Quantum cipher communication system |
| 01/21/2004 | EP1383266A1 Personal authentication system, portable electronic device, terminal and authentication method |
| 01/21/2004 | EP1383265A1 Method for generating proxy signatures |
| 01/21/2004 | EP1383264A1 Data transmission method |
| 01/21/2004 | EP1383073A1 Data processing system, memory device, data processor, data processing method, and program |
| 01/21/2004 | EP1382178A2 Method and apparatus for header compression in a wireless communication system |
| 01/21/2004 | EP1382177A2 Method and apparatus for data transport in a wireless communication system |
| 01/21/2004 | EP1382153A1 Method and device for authenticating a user on a remote server |
| 01/21/2004 | EP1382056A2 Methods and systems for securing information communicated between communication devices |
| 01/21/2004 | EP1382033A1 Speaker verification in a spoken dialogue system |
| 01/21/2004 | EP1382021A1 Financial information input method using symmetrical key security algorithm and commercial transaction system for mobile communications |
| 01/21/2004 | EP1381928A2 Computer security and management system |
| 01/21/2004 | EP1275112B1 Method for secure transmission of data |
| 01/21/2004 | EP1212732B1 Methods and apparatus for conducting electronic transactions |
| 01/21/2004 | EP1173978B1 Device for pay communication with double descrambling, in particular of television images |
| 01/21/2004 | EP1055305B1 Recording of scrambled digital data |
| 01/21/2004 | EP0890157B1 Improvements to smart cards |
| 01/21/2004 | EP0788688B1 Method and apparatus for secure identification of a mobile user in a communication network |
| 01/21/2004 | CN1470120A Context identification using header compression key at link layer |
| 01/21/2004 | CN1470112A Cryptographic data security system and method |
| 01/21/2004 | CN1469675A Method of bundling mobile communication terminal and subscriber identifying module |
| 01/21/2004 | CN1469647A Abstract information transmitting apparatus |
| 01/21/2004 | CN1469609A Network transmission controller |
| 01/21/2004 | CN1469583A Method of sharing subscriber confirming information in different application systems of internet |
| 01/21/2004 | CN1469582A Method of back tracing confirmation state hierarchial network equipment architecture |
| 01/21/2004 | CN1469580A IC card and encrypted communication method between IC cards thereof |
| 01/21/2004 | CN1469470A Control system for protecting external program code |
| 01/21/2004 | CN1469274A Certification base structure system with CRL issue notice function |
| 01/21/2004 | CN1469273A IC card in electronic ticket sale system and certification method |
| 01/21/2004 | CN1469272A Digital content issuing system and digital content issuing method |
| 01/21/2004 | CN1469262A Information recording regenerating system |
| 01/21/2004 | CN1135784C Apparatus for generating safety electronic signatures |
| 01/21/2004 | CN1135783C User registration in a telecommunication network |
| 01/21/2004 | CN1135490C Data acquiring apparatus |
| 01/20/2004 | US6681214 Secure system for printing authenticating digital signatures |
| 01/20/2004 | US6681213 System and method for preventing unauthorized data copying using communication network |
| 01/20/2004 | US6681108 Network and method for identifying entities sharing a common network location |
| 01/20/2004 | US6681045 Method and system for note taking |
| 01/20/2004 | US6681017 Simplified secure shared key establishment and data delivery protocols for electronic commerce |