| Patents for H04L 9 - Arrangements for secret or secure communication (111,914) |
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| 08/22/2001 | EP1125189A1 Methods of digital steganography for multimedia data |
| 08/22/2001 | EP1125182A1 Distributing access to a data item |
| 08/22/2001 | EP1125181A2 Apparatus for and method of electronic currency generation, transfer and redemption |
| 08/22/2001 | EP0767957B1 Method and apparatus for copy protection for various recording media |
| 08/22/2001 | CN1309513A Content data conversion arrangement and method, recording medium for memory of content data conversion program |
| 08/22/2001 | CN1309487A Data processing device, system and method |
| 08/22/2001 | CN1309374A Content transmission system, identifying machine, content processing device and data transmission method |
| 08/21/2001 | US6279110 Masked digital signatures |
| 08/21/2001 | US6278783 Des and other cryptographic, processes with leak minimization for smartcards and other cryptosystems |
| 08/21/2001 | US6278782 Method of implementing a key recovery system |
| 08/21/2001 | US6278781 Wireless telephony with steganography |
| 08/21/2001 | US6278780 Method of and an apparatus for generating internal crypto-keys |
| 08/21/2001 | US6278671 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk |
| 08/21/2001 | US6276604 Data carrier device with test means for testing the access authorization of a data reading device |
| 08/19/2001 | CA2337414A1 Service sign on for computer communication networks |
| 08/16/2001 | WO2001060036A1 Decoder, decoding method and a chip card |
| 08/16/2001 | WO2001059970A2 Biometrics interface |
| 08/16/2001 | WO2001059728A1 Method and device for mutual authentication of two data processing units |
| 08/16/2001 | WO2001059617A1 Method and system for managing information retention |
| 08/16/2001 | WO2001059549A2 Methods and apparatus for secure content distribution |
| 08/16/2001 | WO2001059544A2 Security module system, apparatus and process |
| 08/16/2001 | US20010014970 Conditional access system for controlling the access to a data content |
| 08/16/2001 | US20010014946 Contents-information transmission system |
| 08/16/2001 | US20010014943 Method and apparatus for discovering a trust chain imparting a required attribute to a subject |
| 08/16/2001 | US20010014882 System for controlling the distribution and use of digital works using digital tickets |
| 08/16/2001 | US20010014158 Public key cryptosystem with roaming user capability |
| 08/16/2001 | US20010014156 Common key generating method, common key generator, cryptographic communication method and cryptographic communication system |
| 08/16/2001 | US20010014155 Method and apparatus for decrypting contents information |
| 08/16/2001 | US20010014154 Data encrypting/decrypting conversion methods and apparatuses and data communication system adopting the same |
| 08/16/2001 | US20010014153 Key validation scheme |
| 08/16/2001 | US20010014117 Procedure for increasing the manipulation security for a bi-directional contactless data transmission |
| 08/16/2001 | EP1124401A2 Method and apparatus for performing a key update using update key |
| 08/16/2001 | EP1124396A2 Mobile communications system and method thereof |
| 08/16/2001 | EP1124352A2 System and method for pushing information from a host system to a mobile data communication device |
| 08/16/2001 | EP1124349A2 Public key distribution using an approximate linear function |
| 08/16/2001 | EP1124206A1 Method and assembly for the mutual authentication of two data processor units |
| 08/16/2001 | EP1124197A2 Procedure to increase safety in a bi-directional, contactless data transfer |
| 08/16/2001 | EP1123603A1 Subscription portability for wireless systems |
| 08/16/2001 | EP1123545A1 Copy method avoiding bit-to-bit duplication of digital data and reading device for implementing same |
| 08/16/2001 | EP1123531A1 Copy protection system and method |
| 08/16/2001 | DE10005503A1 Increasing manipulation security for bidirectional, contactless data transfer for car door lock |
| 08/15/2001 | CN1308803A System and method for electronic transmission, storage and retrieval of authenticated decouments |
| 08/15/2001 | CN1308472A Cipher key refreshing method and device by using refreshing cipher key |
| 08/15/2001 | CN1308463A Encryption and decryption method for protecting data stream and coder and decoder |
| 08/15/2001 | CN1308426A Audio data broadcasting method and the system providing the data to broadcast emitter |
| 08/15/2001 | CN1308425A Audio Data transmitting method and audio data broadcast tranmitting system |
| 08/14/2001 | US6275936 Decryption method and device, and access right authentication method and apparatus |
| 08/14/2001 | US6275859 Tree-based reliable multicast system where sessions are established by repair nodes that authenticate receiver nodes presenting participation certificates granted by a central authority |
| 08/14/2001 | US6275709 Arrangement for improving availability of services in a communication system |
| 08/14/2001 | US6275587 Secure data encoder and decoder |
| 08/14/2001 | US6275586 Cryptographically secure pseudo random number generator |
| 08/14/2001 | CA2334177A1 Surface vehicle transportation reservation system utilizing airline flight information |
| 08/14/2001 | CA2218742C Method and apparatus for routing confidential information |
| 08/09/2001 | WO2001058081A1 Method for checking the integrity of data, system and mobile terminal |
| 08/09/2001 | WO2001058079A2 Encryption method |
| 08/09/2001 | WO2001057869A2 Protecting content from illicit reproduction by proof of existence of a complete data set |
| 08/09/2001 | WO2001057831A1 Method and device for reading authentication means and adapted identification means |
| 08/09/2001 | WO2001057807A1 Method of authenticating a tag |
| 08/09/2001 | WO2001057750A1 Authentication system |
| 08/09/2001 | WO2001057690A2 Mobile personal digital assistant |
| 08/09/2001 | WO2001057669A1 System, method and computer program product for enrolling and authenticating communication protocol-enabled clients for access to information |
| 08/09/2001 | WO2000067548A3 One-time pad synchronization for secure communications and access control |
| 08/09/2001 | US20010013121 Authorization conditioned object message download |
| 08/09/2001 | US20010013098 Remote security technology |
| 08/09/2001 | US20010013071 System and method for pushing information from a host system to a mobile data communication device |
| 08/09/2001 | US20010012777 Mobile communications system and method thereof |
| 08/09/2001 | US20010012365 Method, encoding apparatus and decoding apparatus for protecting a data stream using encryption or for decoding a protected data stream using decryption |
| 08/09/2001 | US20010012364 Data-processing device and method of operating said device |
| 08/09/2001 | US20010012363 Pseudo-random sequence generator and associated method |
| 08/09/2001 | US20010012362 Data encryptor/decryptor using variable in-place i/o |
| 08/09/2001 | US20010012361 Encryption method, decryption method, cryptographic communication method and cryptographic communication system |
| 08/09/2001 | US20010012360 Method of executing a cryptographic protocol between two electronic entities |
| 08/09/2001 | DE10065667A1 Verfahren und Vorrichtung zur Gemeinschaftsverwaltung bei einem Vornehmen von Diensten bei entfernten Systemen Method and apparatus for community management with a Making of services in remote systems |
| 08/09/2001 | DE10020563C2 Verfahren zur Erstellung und Überprüfung fälschungssicherer Dokumente Method to create and verify secure documents |
| 08/09/2001 | DE10004846A1 Data encoding procedure for transmission via insecure media, requires an encoding program to be prepared for sender by trustworthy source, and the receiver to decode data by a private code |
| 08/09/2001 | CA2399092A1 Method of authenticating a tag |
| 08/09/2001 | CA2398584A1 System, method and computer program product for enrolling and authenticating communication protocol-enabled clients for access to information |
| 08/09/2001 | CA2369082A1 Protecting content from illicit reproduction by proof of existence of a complete data set |
| 08/09/2001 | CA2331232A1 Method and apparatus for performing a key update using update key |
| 08/08/2001 | EP1122941A2 Image processing apparatus |
| 08/08/2001 | EP1122930A2 Encryption key exchange protocol |
| 08/08/2001 | EP1122910A1 Method and device for protecting digital data by double re-encryption |
| 08/08/2001 | EP1122909A1 Method for performing a cryptographic protocol between two electronic units |
| 08/08/2001 | EP1122908A2 Encryption evaluation support system that can largely reduce evaluation time of encryption algorithm, and record medium recording its program |
| 08/08/2001 | EP1121781A1 Adapter having secure function and computer secure system using it |
| 08/08/2001 | EP1121780A1 Apparatus and methods for managing key material in heterogeneous cryptographic assets |
| 08/08/2001 | EP1121778A1 Method and system for the application of a safety marking |
| 08/08/2001 | EP1121763A1 A method to use acoustic signals for computer communications |
| 08/08/2001 | EP1121670A1 Verification method |
| 08/08/2001 | EP1121632A1 Apparatus and methods for unlocking password protected software systems to recover master password |
| 08/08/2001 | CN1307724A Electronic bookshelf with multi-user features |
| 08/08/2001 | CN1307420A Sectional enciphering technology of great-capacity decument |
| 08/08/2001 | CN1307419A Public-key enciphered transmission of key works |
| 08/08/2001 | CN1307418A Generation of key information, encryption and decode of content information, recording medium and transmission method |
| 08/08/2001 | CN1307417A Transmission of content information, recording method, device and medium, and deciphering method and device |
| 08/08/2001 | CN1307284A Method, device and medium for transfering and recording content information and decipher method and device |
| 08/07/2001 | US6272635 Data copyright management system |
| 08/07/2001 | US6272633 Methods and apparatus for transmitting, receiving, and processing secure voice over internet protocol |
| 08/07/2001 | US6272632 System and method for controlling access to a user secret using a key recovery field |
| 08/07/2001 | US6272321 Method for tuning an oscillating receiver circuit of a transponder built into a RFID system |