| 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) |
|---|
| 07/11/2002 | US20020091926 Multicast authentication method, multicast authentication server, network interconnection apparatus and multicast authentication system |
| 07/11/2002 | US20020091925 Content distribution system, copyright protection system and content receiving terminal |
| 07/11/2002 | US20020091640 Document transfer systems |
| 07/11/2002 | US20020090090 Conditional access |
| 07/10/2002 | CN1358376A Countermeasure method in electronic component using secret key cryptographic algorithm |
| 07/09/2002 | US6418421 Multimedia player for an electronic content delivery system |
| 07/04/2002 | WO2002052832A2 Method for flexible charging of fees for services and resources in networks |
| 07/04/2002 | WO2002052778A2 Conditional access system |
| 07/04/2002 | WO2002052765A2 Security communication packet processing apparatus and the method thereof |
| 07/04/2002 | WO2002052487A1 Method for preventing check fraud |
| 07/04/2002 | US20020087860 Cryptographic data security system and method |
| 07/04/2002 | US20020087719 Data transmission and reception system with accurate time information |
| 07/04/2002 | US20020087474 Electronic commerce system, electronic commerce method and storage medium |
| 07/04/2002 | US20020085721 Information Processing apparatus, information processing method, and program storage medium |
| 07/04/2002 | US20020085718 Steganography decoding methods employing error information |
| 07/03/2002 | EP1220079A2 Method for sharing encrypted data region among processes in tamper resistant processor |
| 07/03/2002 | EP1220078A2 Content distribution system, copyright protection system and content receiving terminal |
| 07/03/2002 | EP1219063A2 Systems and methods for authenticating an electronic message |
| 07/03/2002 | CN1357182A Method for encrypting information and device for realization of method |
| 07/03/2002 | CN1356665A Multi-dimension antifraud code using positions and number of deformed characters to express characteristic value of code |
| 07/02/2002 | US6415310 Remainder calculating method, modular-multiplication method, remainder calculating apparatus, modular-multiplication apparatus and recording medium |
| 06/27/2002 | WO2002050704A1 System and method for trusted self-billing and payment for utilities including audit, verification, reconciliation and dispute resolution |
| 06/27/2002 | WO2002050695A1 Spontaneous virtual private network between portable device and enterprise network |
| 06/27/2002 | WO2002023887A3 Imaging system monitored or controlled to ensure fidelity of file captured |
| 06/27/2002 | WO2002013445A3 Linking public key of device to information during manufacture |
| 06/27/2002 | US20020083330 LSI design method and verification method |
| 06/27/2002 | US20020083317 Security communication packet processing apparatus and the method thereof |
| 06/27/2002 | US20020082907 Method for conducting a shareholders meeting with remote participation using a network |
| 06/27/2002 | US20020080993 Hiding encrypted messages in information carriers |
| 06/27/2002 | US20020080972 Method and apparatus of enciphering and deciphering data using keys enciphered and deciphered with other keys |
| 06/27/2002 | DE10061697A1 Verfahren und Vorrichtung zum Ermitteln eines Schlüsselpaars und zum Erzeugen von RSA-Schlüsseln Method and apparatus for determining a key pair and for generating RSA keys |
| 06/27/2002 | CA2430266A1 Spontaneous virtual private network between portable device and enterprise network |
| 06/26/2002 | EP1216459A2 Portable terminal |
| 06/26/2002 | CN1355992A Method and apparatus for providing secure communication of digital data between device |
| 06/26/2002 | CN1086825C Data-transmission device for use in vehicle and pulse generator thereof |
| 06/25/2002 | US6411942 Electronic transaction system and systems for issuing and examining electronic check |
| 06/25/2002 | US6411716 Method of changing key fragments in a multi-step digital signature system |
| 06/25/2002 | US6410791 Salbutamol; respiratory system disorders |
| 06/20/2002 | WO2002049268A1 Authentication method, communication apparatus, and relay apparatus |
| 06/20/2002 | WO2002049266A2 Method and device for detecting a key pair and for generating rsa keys |
| 06/20/2002 | WO2002048973A2 A remote control account authorization system |
| 06/20/2002 | US20020076054 Session shared key sharing method, wireless terminal authentication method, wireless terminal, and base station device |
| 06/20/2002 | DE10051818A1 Verfahren zur Überprüfung von auf Postsendungen aufgebrachten Frankiervermerken Method of checking applied to mail postage indicia |
| 06/19/2002 | EP1215904A2 Broadcast and reception system, and receiver/decoder and remote controller therefor |
| 06/19/2002 | EP1214839A1 Remote control system for audio and video content |
| 06/19/2002 | CN1354946A Local digital network especially digital home network and method for creating and updating such network |
| 06/19/2002 | CN1354936A Method and apparatus for protecting file system based on digital signature |
| 06/19/2002 | CN1354934A System and method for enabling secure acess to service in computer network |
| 06/19/2002 | CN1354848A Robust random number generator |
| 06/18/2002 | US6405923 Method for secure distribution of data |
| 06/13/2002 | WO2002047356A2 Method of secure transmission of digital data from a source to a receiver |
| 06/13/2002 | WO2002047319A1 A communication system with ciphering key generation |
| 06/13/2002 | WO2002047272A2 A method of performing mathematical operations in an electronic device, a method of generating pseudo-random numbers in an electronic device, and a method of encrypting and decrypting electronic data |
| 06/13/2002 | WO2002047081A2 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media |
| 06/13/2002 | WO2002047080A2 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media |
| 06/13/2002 | WO2002046912A1 Method and device for generating a pseudo random sequence using a discrete logarithm |
| 06/13/2002 | WO2002021803A3 Providing secure network access for short-range wireless computing devices |
| 06/13/2002 | WO2002011360A3 Cryptography private key storage and recovery method and apparatus |
| 06/13/2002 | WO2001089131A3 A method and system for performing permutations using permutation instructions based on modified omega and flip stages |
| 06/13/2002 | US20020073416 Remote control account authorization system |
| 06/13/2002 | US20020073327 Electronic bookshelf with multi-user features |
| 06/13/2002 | US20020073311 Public-key certificate issuance request processing system and public-key certificate issuance request processing method |
| 06/13/2002 | US20020071553 Data storage device, data recording method, data playback method, and program providing medium |
| 06/13/2002 | DE10061315A1 Verfahren und Vorrichtung zum Erzeugen einer Pseudozufallsfolge Method and apparatus for generating a pseudo-random sequence |
| 06/13/2002 | CA2430858A1 A method of performing mathematical operations in an electronic device, a method of generating pseudo-random numbers in an electronic device, and a method of encrypting and decrypting electronic data |
| 06/13/2002 | CA2429479A1 A communication system with ciphering key generation |
| 06/12/2002 | EP1213873A2 Digital signature generating method and digital signature verifying method |
| 06/12/2002 | EP1042882A4 Method for strongly authenticating another process in a different address space |
| 06/12/2002 | CN1353389A Contents distribution method and service aid and terminal used for same and computer program |
| 06/11/2002 | US6405314 Secure system using images of only part of a body as the key where the part has continuously-changing features |
| 06/11/2002 | US6404898 Method and system for encoding image and audio content |
| 06/11/2002 | US6404890 Generating RSA moduli including a predetermined portion |
| 06/06/2002 | WO2002045453A1 A system for ensuring encrypted communication after handover |
| 06/06/2002 | WO2002045452A1 Integrity protection during initial registration of a subscriber in a telecommunications network |
| 06/06/2002 | WO2002045449A1 System and method for authentication of a roaming subscriber |
| 06/06/2002 | WO2002045378A2 Secure file transfer method and system |
| 06/06/2002 | WO2002045370A2 Secure session management and authentication for web sites |
| 06/06/2002 | WO2002044970A1 Data terminal for managing ciphered content data and license acquired by software |
| 06/06/2002 | WO2002044875A2 Programmable logic device with method of preventing readback |
| 06/06/2002 | WO2001093493A3 End of message markers |
| 06/06/2002 | US20020069361 Public key certificate using system, public key certificate using method, information processing apparatus, and program providing medium |
| 06/06/2002 | US20020068554 Method and system facilitating web based provisioning of two-way mobile communications devices |
| 06/06/2002 | US20020067827 Method for preventing check fraud |
| 06/06/2002 | CA2429738A1 Secure file transfer method and system |
| 06/05/2002 | EP1211898A2 Content protection scheme for a digital recording device |
| 06/05/2002 | EP1210790A2 Method and apparatus for generating a message authentication code |
| 06/05/2002 | EP1210789A1 Method and device for inserting and authenticating a digital signature in digital data |
| 06/04/2002 | US6401204 Process for cryptographic code management between a first computer unit and a second computer unit |
| 06/04/2002 | US6400827 Methods for hiding in-band digital data in images and video |
| 06/04/2002 | US6398245 Key management system for digital content player |
| 05/30/2002 | WO2002043347A1 Data network-based system |
| 05/30/2002 | WO2002043309A2 Cryptographic data security system and method |
| 05/30/2002 | WO2002043044A2 Display device and methods of manufacture and control |
| 05/30/2002 | WO2002043032A2 Display device and methods of manufacture and control |
| 05/30/2002 | WO2002043016A1 Authenticating method and device |
| 05/30/2002 | WO2001099071A3 An improved method and system for conducting secure payments over a computer network without a pseudo or proxy account number |
| 05/30/2002 | WO2001050676A3 Cryptographic isolator using multiplication |
| 05/30/2002 | US20020066035 Active intrusion resistant environment of layered object and compartment keys (AIRELOCK) |
| 05/30/2002 | US20020066018 Multiple autentication sessions for content protection |
| 05/30/2002 | US20020066011 System for ensuring encrypted communication after handover |