| Patents for H04L 9 - Arrangements for secret or secure communication (111,914) |
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| 01/20/1999 | EP0891606A1 Method and device for assigning an authorization device to a base station |
| 01/20/1999 | EP0719485A4 Access control for portable data storage media |
| 01/20/1999 | CN1205818A Method and device for data communication |
| 01/20/1999 | CN1205479A Apparatus, method and computer program product for protecting copyright data within computer system |
| 01/19/1999 | US5862221 Scramble wireless communication system |
| 01/19/1999 | US5862220 Method and apparatus for using network address information to improve the performance of network transactions |
| 01/19/1999 | US5862217 In a digital camera system |
| 01/19/1999 | US5861619 Method of coding an electronic text document |
| 01/19/1999 | CA2100234C Commercial data masking |
| 01/17/1999 | CA2243173A1 System and method for secure data transmission |
| 01/14/1999 | WO1999001993A2 Operation and maintenance system for a mobile telecommunications network |
| 01/14/1999 | WO1999001848A1 Procedure for the control of applications stored in a subscriber identity module |
| 01/14/1999 | WO1998039745A3 Portable data carrier and method for cryptographically secure use thereof with interchangeable keys |
| 01/14/1999 | DE19831346A1 Coding data generator e.g. for secure data transmission |
| 01/14/1999 | DE19750779C1 Traitor tracing or unauthorised user identification method for proprietary data |
| 01/13/1999 | EP0891055A2 Key recovery system |
| 01/13/1999 | EP0891054A2 Key recovery system and key recovery method |
| 01/13/1999 | EP0891053A2 Key recovery condition encryption and decryption apparatuses |
| 01/13/1999 | EP0890262A1 Method and apparatus for in-camera encryption |
| 01/13/1999 | EP0890238A2 Method and apparatus for secure document timestamping |
| 01/13/1999 | EP0890157A1 Improvements to smart cards |
| 01/13/1999 | EP0719438B1 Access control system for restricting access to authorised hours and renewing it using a portable storage medium |
| 01/12/1999 | US5860099 Stored program system with protected memory and secure signature extraction |
| 01/12/1999 | US5859912 Digital information privacy system |
| 01/12/1999 | US5859879 Wireless telephone distribution system with time and space diversity transmission |
| 01/11/1999 | CA2210199A1 Method and apparatus for the generation of non-linear confusion data |
| 01/07/1999 | WO1999000960A1 Data communications |
| 01/07/1999 | WO1999000958A1 Data communications |
| 01/07/1999 | WO1999000930A1 Method for the cryptographic conversion of l-bit input blocks of digital data into l-bit output blocks |
| 01/07/1999 | WO1999000929A2 Method and computer system for coding a message |
| 01/07/1999 | WO1999000783A1 Ciphering apparatus |
| 01/07/1999 | WO1999000720A2 Method and arrangement for detecting a non-authorised user access to a communications network |
| 01/07/1999 | WO1998045987A3 Arrangement for improving availability of services in a communication system |
| 01/07/1999 | WO1998045986A3 Arrangement for improving the architecture of mobile communication systems |
| 01/07/1999 | EP0889617A2 Method and apparatus for recovering encryption session keys |
| 01/07/1999 | EP0888677A1 An authentication system based on periodic challenge/response protocol |
| 01/07/1999 | EP0717896B1 System and method for key distribution using quantum cryptography |
| 01/07/1999 | DE19829643A1 Digital signature verification method |
| 01/07/1999 | DE19728837A1 Cryptographic data compressing encoder for e.g. e-mail messages |
| 01/07/1999 | DE19727267A1 Verfahren und Computersystem zur Codierung einer digitalen Nachricht, zur Übertragung der Nachricht von einer ersten Computereinheit zu einer zweiten Computereinheit und zur Decodierung der Nachricht A method and computer system for encoding a digital message, for transmitting the message from a first computer unit to a second computer unit and for decoding the message |
| 01/07/1999 | CA2295150A1 Data communications |
| 01/06/1999 | CN1204432A 安全芯片 Security chip |
| 01/06/1999 | CN1204412A Improvement to smart card |
| 01/06/1999 | CN1204088A Computer system for protecting software and method for protecting software |
| 01/05/1999 | US5857025 Electronic encryption device and method |
| 01/05/1999 | US5857024 IC card and authentication method for information processing apparatus |
| 01/05/1999 | US5857022 Enhanced cryptographic system and method with key escrow feature |
| 01/05/1999 | CA2144951C Random coding cipher system and method |
| 01/05/1999 | CA2111572C Digital signature algorithm |
| 01/05/1999 | CA2071413C Method to establish and enforce a network cryptographic security policy in a public key cryptosystem |
| 12/30/1998 | WO1998059457A2 Method and system for performing secure electronic monetary transactions |
| 12/30/1998 | WO1998059456A2 Method and system for performing secure electronic messaging |
| 12/30/1998 | EP0887997A2 Method for secure point to point facsimile transmission |
| 12/30/1998 | EP0887982A2 Method and system for secure distribution of cryptographic keys on multicast networks |
| 12/30/1998 | EP0887967A1 Method for transmitting a fresh cryptographic key and apparatus therefore |
| 12/30/1998 | EP0887728A2 Pseudorandom number sequence generator |
| 12/30/1998 | EP0887723A2 Apparatus, method and computer program product for protecting copyright data within a computer system |
| 12/30/1998 | EP0886969A1 Secure data broadcasting |
| 12/30/1998 | EP0886839A1 System and method for commercial payments using trusted agents |
| 12/30/1998 | CN1203394A Method and apparatus for protecting application data in secure storage areas |
| 12/30/1998 | CA2240880A1 Method and apparatus for recovering encryption session keys |
| 12/29/1998 | US5854841 Communication system |
| 12/29/1998 | CA2141318C Method and apparatus for efficient real-time authentication and encryption in a communication system |
| 12/29/1998 | CA2135913C Continuous synchronous encryption and decryption in a wireless communication system throughout handoffs |
| 12/29/1998 | CA2127539C Method and apparatus of controlling processing devices during power transition |
| 12/23/1998 | WO1998058322A2 Security apparatus for data transmission with dynamic random encryption |
| 12/23/1998 | WO1998045975A3 Bilateral authentication and information encryption token system and method |
| 12/23/1998 | EP0886428A2 Data processing method in network system connected with image processing apparatus |
| 12/23/1998 | EP0886409A2 Information providing system |
| 12/23/1998 | EP0886399A2 Hash value generating method and device, data encryption method and device, data decryption method and device |
| 12/23/1998 | EP0886248A2 Method and apparatus for registration of information with plural institutions and recording medium with registration program stored thereon |
| 12/23/1998 | EP0886202A2 Method and apparatus for protecting application data in secure storage areas |
| 12/23/1998 | EP0885504A1 Data transmission network billing method and system |
| 12/23/1998 | EP0885503A2 Method and apparatus for providing a cryptographically secure interface between the decryption engine and the system decoder of a digital television receiver |
| 12/23/1998 | EP0885502A1 Authentication system and method for a remote keyless entry system |
| 12/23/1998 | EP0885495A1 Controlling correlated quantum state probability distributions |
| 12/23/1998 | CN1202659A Information processing apparatus, information processing method, information processing system and recording medium |
| 12/23/1998 | CN1202658A Information processing apparatus, information processing method, information processing system and recording medium |
| 12/23/1998 | CA2241701A1 Method and system for secure distribution of cryptographic keys on multicast networks |
| 12/22/1998 | US5852665 Internationally regulated system for one to one cryptographic communications with national sovereignty without key escrow |
| 12/22/1998 | US5852663 Image processing method |
| 12/22/1998 | CA2126457C Method and system for writing data onto a medium so as to enable subsequent verification of authenticity |
| 12/22/1998 | CA2120665C Personal date/time notary device |
| 12/17/1998 | WO1998057488A1 Method for dynamic management of a prepaid terminal subscription |
| 12/17/1998 | WO1998057461A1 Device for carrying out a block cipher method |
| 12/17/1998 | WO1998057454A1 Data scrambling system and method and communications system incorporating same |
| 12/17/1998 | WO1998046455A3 Method for protecting devices, specially car radios, against theft |
| 12/17/1998 | WO1998039875A3 Method for inserting a service key in a terminal and devices for implementing said method |
| 12/17/1998 | CA2293837A1 Method for dynamic management of a prepaid terminal subscription |
| 12/16/1998 | EP0884917A1 Method for permitting a encrypted direct communication between two terminals of a radio mobile network and corresponding circuit arrangements for the station and terminal |
| 12/16/1998 | EP0884907A1 Caller indentification system for television |
| 12/16/1998 | EP0884869A1 Process for secure displaying during transmission of data or files between users |
| 12/16/1998 | CN2301015Y Calling device for cipher money drawing |
| 12/16/1998 | CN1202288A Document authentication system and method |
| 12/16/1998 | CN1202287A Wireless transation and information system |
| 12/16/1998 | CN1202060A Method for enabling direct encrypted communication between two terminals of mobile radio network, and corresponding station and terminal facilities |
| 12/16/1998 | CN1202056A Method and apparatus for secure optical communications links |
| 12/15/1998 | US5850451 Enhanced cryptographic system and method with key escrow feature |
| 12/15/1998 | US5850450 Method and apparatus for encryption key creation |
| 12/15/1998 | US5850449 Secure network protocol system and method |