| Patents for G09C 1 - Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system (12,544) |
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| 09/25/2002 | CN1371563A Multiple module encryption method |
| 09/25/2002 | CN1371509A 便携终端 Portable terminal |
| 09/19/2002 | WO2002073930A1 Portable device for securing packet traffic in a host platform |
| 09/19/2002 | WO2002073876A2 Cryptographic authentication with ephemeral modules |
| 09/19/2002 | WO2002073872A1 Data storage apparatus |
| 09/19/2002 | WO2002073569A1 Electronic information verification method |
| 09/19/2002 | WO2002035341A3 Method and system of using an insecure crypto-accelerator |
| 09/19/2002 | US20020133607 Address mechanisms in internet protocol |
| 09/19/2002 | US20020133465 Usage rights grammar and digital works having usage rights created with the grammar |
| 09/19/2002 | US20020131596 Coding device |
| 09/19/2002 | US20020131591 Data encryption system |
| 09/19/2002 | US20020131590 Key matrix methodology |
| 09/18/2002 | EP1241833A1 Communication system and communication control apparatus and method |
| 09/18/2002 | EP1059760A4 Method for the block-encryption of discrete data |
| 09/18/2002 | EP1013091B1 Source authentication of download information in a conditional access system |
| 09/18/2002 | CN1369783A Reality output method, its application device and processing program |
| 09/17/2002 | US6453416 Secure proxy signing device and method of use |
| 09/17/2002 | CA2262551C Improved cryptographically secure pseudo-random bit generator for fast and secure encryption |
| 09/17/2002 | CA2261161C Cipher processing apparatus, ic card and cipher processing method |
| 09/12/2002 | WO2000002340A3 Cryptographic communication process and apparatus |
| 09/12/2002 | US20020129249 Smartcard for use with a receiver of encrypted broadcast signals, and receiver |
| 09/12/2002 | US20020128974 Information signal recording / reproducing system, information signal recording device, information signal reproducing device and information signal recording / reproducing process |
| 09/12/2002 | US20020128972 Digital works having usage rights and method for creating the same |
| 09/12/2002 | US20020128856 Composite digital works having usage rights and method for creating the same |
| 09/12/2002 | US20020126846 Multiple user authentication for online console-based gaming |
| 09/12/2002 | US20020126838 Modular exponentiation calculation apparatus and modular exponentiation calculation method |
| 09/11/2002 | EP1239365A2 Tamper-resistant processing method |
| 09/11/2002 | EP1239364A1 Tamper-resistant modular multiplication method |
| 09/11/2002 | EP1238690A2 Mutiple user authentication for online console-based gaming |
| 09/11/2002 | EP1238506A1 Reliance manager for electronic transaction system |
| 09/11/2002 | EP0807347A4 A system for securing the flow of and selectively modifying packets in a computer network |
| 09/11/2002 | CN1369183A Method and system for verifying authenticity of first communication participants in communications network |
| 09/11/2002 | CN1369157A Method and apparatus for generating message authantion code |
| 09/11/2002 | CN1368674A Power residue arithemic unit using Montgomery algorithm |
| 09/10/2002 | US6449720 Public cryptographic control unit and system therefor |
| 09/10/2002 | US6449379 Video steganography methods avoiding introduction of fixed pattern noise |
| 09/06/2002 | WO2002069635A1 Signal tracing system and method |
| 09/06/2002 | WO2002069557A1 Information processing apparatus and method, and storage medium |
| 09/06/2002 | WO2002069136A1 Polynomial arithmetic operations |
| 09/06/2002 | WO2002069087A2 System and method for message encryption and signing in a transaction processing system |
| 09/06/2002 | WO2002021803A9 Providing secure network access for short-range wireless computing devices |
| 09/06/2002 | CA2438555A1 Signal tracing system and method |
| 09/05/2002 | US20020124179 Fault detection method |
| 09/04/2002 | EP1237323A1 Device for reproducing data |
| 09/04/2002 | EP1237322A2 Fault detection method for cryptographic process |
| 09/04/2002 | EP1237321A1 Content distribution system and content distribution method |
| 09/04/2002 | EP1237320A1 Enciphering device and method, deciphering device and method, and storage medium |
| 09/04/2002 | EP1236304A1 One's complement cryptographic combiner |
| 09/04/2002 | EP1236303A1 Multiple level public key hierarchy for performance and high security |
| 09/04/2002 | EP1236077A2 Branch-else-return instruction |
| 09/04/2002 | EP1049988B1 Content addressable information encapsulation, representation, and transfer |
| 09/03/2002 | US6446051 Document transfer systems |
| 09/03/2002 | US6445678 Method and apparatus for implementing leaf node proxy in a network |
| 08/29/2002 | WO2002067191A1 Security module comprising a volatile memory for storing an algorithm code |
| 08/29/2002 | WO2002067097A2 Authentication method and data transmission system |
| 08/29/2002 | WO2002009380A3 Data transmission using pulse with modulation |
| 08/29/2002 | US20020120856 Signature process |
| 08/29/2002 | US20020120847 Authentication method and data transmission system |
| 08/29/2002 | US20020120658 Hardware implementation for modular multiplication using a plurality of almost entirely identical processor elements |
| 08/29/2002 | US20020118830 Pseudorandom number generating apparatus or encryption or decryption apparatus using the same |
| 08/29/2002 | US20020118828 Encryption apparatus, decryption apparatus, and authentication information assignment apparatus, and encryption method, decryption method, and authentication information assignment method |
| 08/29/2002 | DE10107373A1 Sicherheitsmodul mit flüchtigem Speicher zur Speicherung eines Algorithmuscodes Security module with volatile memory for storing an algorithm code |
| 08/28/2002 | EP1235380A1 Data reproducing/recording apparatus / method and list updating method |
| 08/28/2002 | EP1235135A2 Method and apparatus for generating distributed digital signatures |
| 08/28/2002 | EP1235134A2 Data management module and data reproduction management system |
| 08/28/2002 | EP1234403A2 Cryptographic isolator using multiplication |
| 08/28/2002 | EP1234239A2 Microprocessor arrangement having an encoding function |
| 08/28/2002 | EP1234227A2 Computer efficient linear feedback shift register |
| 08/28/2002 | EP0986872B1 Device for carrying out a block cipher method |
| 08/28/2002 | CN2507713Y Intelligent antiforging car body data self-sending device for car |
| 08/28/2002 | CN1366751A Data processing system, recording apparatus, data processing method and program providing media |
| 08/28/2002 | CN1366637A Data recording/reproducing device and saved data processing method, and program providing medium |
| 08/28/2002 | CN1366395A Equipment and method used for encryption, deciphering and identified information distribution |
| 08/27/2002 | US6442532 Wireless transaction and information system |
| 08/22/2002 | WO2002065782A1 Generating and matching hashes of multimedia content |
| 08/22/2002 | WO2002065287A1 Data processing method and its apparatus |
| 08/22/2002 | WO2002065256A2 Processing copy protection signals |
| 08/22/2002 | WO2002065255A2 Processing copy protection signals |
| 08/22/2002 | WO2000030285A9 Method and apparatus for secure distribution of authentication credentials to roaming users |
| 08/22/2002 | US20020116622 Data processing system, data processing method, data processing apparatus, and program providing medium |
| 08/22/2002 | US20020116619 Digital signature verification and program transmission |
| 08/22/2002 | US20020116429 System and method for modular multiplication |
| 08/22/2002 | US20020116428 Polynomial arithmetic operations |
| 08/22/2002 | US20020114468 IC card terminal unit and IC card duplication method |
| 08/22/2002 | US20020114467 Security module, security system and mobile station |
| 08/22/2002 | US20020114462 Recording and playback apparatus for stream data and transmission method for stream data |
| 08/22/2002 | US20020114450 Method and apparatus for encrypting data in a wireless communication system |
| 08/21/2002 | EP1233381A2 IC card terminal unit and IC card duplication method |
| 08/21/2002 | CN1365474A Authentication system |
| 08/21/2002 | CN1365088A Multiple algorithm and multilayer storage method of cipher key |
| 08/21/2002 | CN1365087A Method and device for web page communication |
| 08/21/2002 | CN1089514C Communication device and method |
| 08/20/2002 | US6438692 Copy protection apparatus and information recording medium used in this copy protection apparatus |
| 08/20/2002 | US6438235 Media content protection utilizing public key cryptography |
| 08/15/2002 | WO2002063879A2 A service gateway for interactive television |
| 08/15/2002 | WO2002063823A1 Confidential data communication method |
| 08/15/2002 | WO2002063822A1 Secure method for secret key cryptographic calculation and component using said method |
| 08/15/2002 | WO2002063821A1 Secure encryption method and component using same |
| 08/15/2002 | WO2002063592A2 Data encryption system using key matrix |
| 08/15/2002 | WO2002063462A2 Generating random data |