| Patents for H04L 9 - Arrangements for secret or secure communication (111,914) |
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| 09/01/2004 | EP1453277A2 Method for secure management of digitalwork usage rights |
| 09/01/2004 | EP1453271A1 Device-type authentication in communication systems |
| 09/01/2004 | EP1453241A1 Revocation of a certificate in a digital rights management system based on a revocation list from a delegated revocation authority |
| 09/01/2004 | EP1453240A1 Information processing apparatus and method |
| 09/01/2004 | EP1453060A2 Semiconductor memory card and data reading apparatus |
| 09/01/2004 | EP1452027A1 Access to encrypted broadcast content |
| 09/01/2004 | EP1452026A1 Method for distributing scrambled digital data decryption keys |
| 09/01/2004 | EP1451999A1 Detecting intrusions in a network |
| 09/01/2004 | EP1451967A1 Digital signature and authentication method and apparatus |
| 09/01/2004 | EP1451966A1 Authentication in a hybrid communications network |
| 09/01/2004 | EP1451965A1 Securing a printhead in a closed system metering device |
| 09/01/2004 | EP1451961A2 Methods and systems for establishing trust of identity |
| 09/01/2004 | EP1451940A1 Apparatus and method for generating a code mask |
| 09/01/2004 | EP1451814A1 System and method for controlling the use and duplication of digital content distributed on removable media |
| 09/01/2004 | EP1451786A1 A method of distributing a public key |
| 09/01/2004 | EP1451691A1 System for providing continuity between messaging clients and method therefor |
| 09/01/2004 | EP1451660A2 Methods of accessing and using web-pages |
| 09/01/2004 | CN2638376Y Locking device using radio communication device |
| 09/01/2004 | CN2638341Y Jingtai safety isolation and information exchange network gate |
| 09/01/2004 | CN2638340Y Cipher code controller with reset device |
| 09/01/2004 | CN1526217A Security devices and processes for protecting and identifying messages |
| 09/01/2004 | CN1525685A One-way data conversion apparatus and device authentication system |
| 09/01/2004 | CN1525684A Encryption and decryption method for datas by different subscribers |
| 09/01/2004 | CN1525683A Method for marking data |
| 09/01/2004 | CN1525682A Issuing a publisher use license off-line in a digital rights management (DRM) system |
| 09/01/2004 | CN1525392A Smart cards having protection circuits therein that inhibit power analysis attacks and methods of operating same |
| 09/01/2004 | CN1165173C Method for controlling replay of data signal |
| 09/01/2004 | CN1165131C Linear feedback shift register, and method for selective encrpytion code and decryption code |
| 09/01/2004 | CN1165130C Method for ensuring completeness of data communication |
| 09/01/2004 | CN1165049C Content recording device, reproducing device, transmitting method, and receiving method |
| 09/01/2004 | CN1164432C Printed media parallel binding apparatus |
| 08/31/2004 | US6785860 Error-correcting code adapted for memories that store multiple bits per storage cell |
| 08/31/2004 | US6785815 Methods and systems for encoding and protecting data using digital signature and watermarking techniques |
| 08/31/2004 | US6785813 Key agreement and transport protocol with implicit signatures |
| 08/31/2004 | US6785812 Secure and controlled electronic document distribution arrangement |
| 08/31/2004 | US6785810 System and method for providing secure transmission, search, and storage of data |
| 08/31/2004 | US6785809 Server group key for distributed group key management |
| 08/31/2004 | US6785390 System and method for asynchronous decryption |
| 08/31/2004 | US6785388 Encryption method, decryption method, encryption/decryption method, cryptographic communications system, and computer usable medium |
| 08/31/2004 | US6785331 Predictive encoding and decoding methods of video data |
| 08/31/2004 | US6785251 Receiving station for wireless telephone system with diversity transmission and method |
| 08/26/2004 | WO2004073253A2 Encryption method and device using an rsa-type cryptosystem |
| 08/26/2004 | WO2004073252A1 Authentication processing device and security processing method |
| 08/26/2004 | WO2004073235A2 Qkd systems with robust timing |
| 08/26/2004 | WO2004073234A2 Key expansion for qkd |
| 08/26/2004 | WO2004073230A2 Identity-based encryption system for secure data distribution |
| 08/26/2004 | WO2004073228A2 Watch dog detector for qkd system |
| 08/26/2004 | WO2004072845A1 System for certifying whether printed material corresponds to original |
| 08/26/2004 | WO2004072831A2 Securing a connection application for distribution |
| 08/26/2004 | WO2004051585A3 Identity authentication system and method |
| 08/26/2004 | WO2004036362A3 Compression of secure content |
| 08/26/2004 | WO2004019236A8 Web services apparatus and methods |
| 08/26/2004 | US20040168084 Federated management of content repositories |
| 08/26/2004 | US20040168076 Recordable storage medium with protected data area |
| 08/26/2004 | US20040168073 Issuing a publisher use license off-line in a digital rights management (DRM) system |
| 08/26/2004 | US20040168071 Apparatus for validating the presence of an authorized accessory |
| 08/26/2004 | US20040168070 Safe memory scanning |
| 08/26/2004 | US20040168066 Web site management system and method |
| 08/26/2004 | US20040168064 System of generating procedure for digital signature and encryption to XML |
| 08/26/2004 | US20040168063 Virtual smart card device, method and system |
| 08/26/2004 | US20040168061 Enrolling / sub-enrolling a digital rights management (DRM) server into a DRM architecture |
| 08/26/2004 | US20040168056 Revocation of a certificate and exclusion of other principals in a digital rights management (DRM) system based on a revocation list from a delegated revocation authority |
| 08/26/2004 | US20040167894 Method for using a business model data interface |
| 08/26/2004 | US20040167857 Systems and methods for prevention of peer-to-peer file sharing |
| 08/26/2004 | US20040167826 Anonymous electronic funds transfer system and method, and anonymous shipping system and method |
| 08/26/2004 | US20040167813 Network-based personal contact manager and associated methods |
| 08/26/2004 | US20040165729 System and method for securing information, including a system and method for setting up a correspondent pairing |
| 08/26/2004 | US20040165728 Limiting service provision to group members |
| 08/26/2004 | US20040165727 System for on-line and off-line decryption |
| 08/26/2004 | US20040165726 Key agreement system, shared-key generation apparatus, and shared-key recovery apparatus |
| 08/26/2004 | US20040165724 Method for encrypting and decrypting metadata and method for managing metadata and system thereof |
| 08/26/2004 | US20040165722 Streamcipher information redundant in next packet of encrypted frame |
| 08/26/2004 | US20040165721 Encryption/decryption unit and storage medium |
| 08/26/2004 | US20040165413 Memory device |
| 08/26/2004 | US20040165211 Print authorization via an authorization device |
| 08/26/2004 | US20040164848 User authentication method and apparatus |
| 08/26/2004 | DE102004003078A1 Integrated circuit security system for smart card, has protection circuit with variable capacitor which supplies power supply line with displacement current when integrated circuit device is in active state |
| 08/26/2004 | CA2515078A1 Identity-based encryption system for secure data distribution |
| 08/25/2004 | EP1450530A2 Method to overlay a secondary communication channel onto an encoded primary communication channel |
| 08/25/2004 | EP1450529A2 Enhanced control character set for multilane communications |
| 08/25/2004 | EP1450511A1 Device and method for simulating network traffic treatments of a network using policy rules |
| 08/25/2004 | EP1450235A2 Memory device |
| 08/25/2004 | EP1450233A2 Key distribution over an optical out-of-band channel |
| 08/25/2004 | EP1450144A2 Method and device for digital protection of measured values |
| 08/25/2004 | EP1449873A1 Rubber composition comprising nitrile copolymer rubber, metal salt of ethylenically unsaturated carboxylic acid, and organic peroxide, and vulcanizate thereof |
| 08/25/2004 | EP1449370A2 System and method for hybrid conditional access for receivers of encrypted transmissions |
| 08/25/2004 | EP1449347A2 Key management protocol and authentication system for secure internet protocol rights management architecture |
| 08/25/2004 | EP1449324A1 Use of a public key key pair in the terminal for authentication and authorisation of the telecommunication user with the network operator and business partners |
| 08/25/2004 | EP1449322A2 Biometrics template |
| 08/25/2004 | EP1449321A2 Fingerprint, control signal for new encryption key |
| 08/25/2004 | EP1449091A2 Memory for the central unit of a computer, corresponding computer, and method for synchronising a memory with the main memory of a computer |
| 08/25/2004 | EP1449086A2 Method and apparatus for securely transmitting and authenticating biometric data over a network |
| 08/25/2004 | EP1449045A2 Device and method with reduced information leakage |
| 08/25/2004 | EP1087425A4 Method for the cryptographic conversion of binary data blocks |
| 08/25/2004 | EP0909495B1 Public key cryptography method |
| 08/25/2004 | CN1524381A 数字内容分配系统 Digital content distribution system |
| 08/25/2004 | CN1524368A Method and apparatus for transmission framing in a wireless communication system |
| 08/25/2004 | CN1524363A Process and apparatus for improving the security of digital signatures and public key infrastructures for real-world applications |
| 08/25/2004 | CN1524362A Streamcipher information redundant in next packet of encrypted frame |
| 08/25/2004 | CN1524361A Computer security and management system |