| 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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| 07/24/2003 | WO2003061193A1 Method and device for anonymous signature with a shared private key |
| 07/24/2003 | WO2003060908A2 System and method for controlling distribution of digital copyrighted material |
| 07/24/2003 | WO2003060782A1 Method of sending and validating documents |
| 07/24/2003 | WO2003060744A1 Credential management and network querying |
| 07/24/2003 | WO2001088674A3 Method and apparatus for managing secure collaborative transactions |
| 07/24/2003 | US20030140241 Methods and systems for cryptographically protecting secure content |
| 07/24/2003 | US20030140235 Method for biometric encryption of email |
| 07/24/2003 | US20030140226 Authentication method, communication apparatus, and relay apparatus |
| 07/24/2003 | US20030140078 Method for multiplying two factors from the Galois field and multiplier for performing the method |
| 07/24/2003 | US20030140024 Method for encrypting and decrypting information using rule-based templates embedded with synthetic gene sequences |
| 07/24/2003 | US20030140011 Electronic transaction server, client for seller, client for buyer and electronic transaction method |
| 07/24/2003 | CA2468841A1 Credential management and network querying |
| 07/23/2003 | EP1329796A1 System for controlling the distribution and use of digital works |
| 07/23/2003 | EP1329795A1 System for controlling the distribution and use of digital works |
| 07/23/2003 | EP1329794A1 System for controlling the distribution and use of digital works utilizing a usage rights grammar |
| 07/23/2003 | EP1329793A1 System for controlling the distribution and use of digital works utilizing a usage rights grammar |
| 07/23/2003 | EP1329792A1 System for controlling the distribution and use of digital works utilizing a usage rights grammar |
| 07/23/2003 | EP1329791A1 System for controlling the distribution and use of digital works utilizing a usage rights grammar |
| 07/23/2003 | EP1328905A1 Method for checking postage stamps on letters and parcels |
| 07/23/2003 | EP1328891A2 System and method for managing trust between clients and servers |
| 07/23/2003 | EP1147634A4 Secure system using continuously-changing features of a body part as a key |
| 07/23/2003 | EP1062764B1 Elliptic curve cryptographic process and device for a computer |
| 07/23/2003 | CN1432230A Authentication of data transmitted in digital transmission system |
| 07/23/2003 | CN1432180A Method and appts. for secure transmission of data |
| 07/23/2003 | CN1431639A Infrared electric vehicle license plate and its identifying system |
| 07/22/2003 | US6598165 Secure memory |
| 07/22/2003 | US6595855 Electronic lottery system and its operating method and computer-readable recording medium in which the electronic lottery program code is stored |
| 07/17/2003 | WO2003058485A1 Method and system for the information protection of digital content |
| 07/17/2003 | US20030135742 Secure video card methods and systems |
| 07/17/2003 | US20030133567 Encryption operating apparatus and method having side-channel attack resistance |
| 07/16/2003 | EP1328101A2 Method and apparatus for secure internet protocol communication in a call processing system |
| 07/16/2003 | EP1327954A2 Systems and methods for distributed administration of public and private electronic markets |
| 07/16/2003 | EP1327932A1 Encryption apparatus and method with side-channel attack resistance |
| 07/16/2003 | EP1327321A2 Cryptographic data security system and method |
| 07/16/2003 | CN1430175A Encryption antiforgery method based on substance characteristics |
| 07/16/2003 | CN1114919C Device, method and recording medium for preventing non-authorized data copying having secret code copying manager information |
| 07/16/2003 | CN1114884C IC card system and method for making IC card system safety |
| 07/15/2003 | US6594747 Processing apparatus with integrated circuit and integrated circuit package |
| 07/10/2003 | US20030131236 Method and apparatus for secure internet protocol communication in a call processing system |
| 07/10/2003 | US20030131235 ABDS Method Utilizing Security Information in Authenticating Entity Access |
| 07/10/2003 | US20030131234 Account-Based Digital Signature (ABDS) System for Authenticating Entity Access to Controlled Resource |
| 07/10/2003 | US20030131096 Credential management and network querying |
| 07/10/2003 | US20030130952 Systems and methods for distributed administration of public and private electronic markets |
| 07/10/2003 | US20030128842 Modular squaring circuit, modular squaring method, and modular squaring program |
| 07/10/2003 | US20030128695 Home gateway for executing a function of a security protocol and a method thereof |
| 07/09/2003 | EP1326470A2 Method and device for authenticating a subscriber in a communications network |
| 07/09/2003 | EP1326469A2 Method and device for authenticating subscribers in a communications network |
| 07/09/2003 | EP1326369A1 Compression method of digital signature applying a hash function to compress the data and signing the calculated hash value |
| 07/09/2003 | EP1326365A1 Communication gateway and a method that is able to execute a function of a security protocol |
| 07/09/2003 | EP1326157A2 Method and apparatus for securing digital assets |
| 07/09/2003 | EP1326156A2 Managing file access via a designated storage area |
| 07/09/2003 | EP1325624A2 Imaging system monitored or controlled to ensure fidelity of file captured |
| 07/09/2003 | CN1429360A Cryptographic method and device |
| 07/09/2003 | CN1428962A 数据传送系统 Data transmission system |
| 07/09/2003 | CN1428736A Electronic dicrimination system |
| 07/08/2003 | US6591420 Remote control system for audio and video content |
| 07/08/2003 | US6590997 Files and methods employing common information in both header and steganographic embedding |
| 07/08/2003 | CA2259873C Encryption strength evaluation support apparatus and recording medium recording encryption strength evaluation support program |
| 07/08/2003 | CA2248789C Data transmission network billing method and system |
| 07/03/2003 | WO2003055222A2 Increasing integrity of watermarks using robust features |
| 07/03/2003 | WO2003055135A2 Synchronizing source and destination systems via parallel hash value determinations |
| 07/03/2003 | WO2003055134A1 Cryptographic method for distributing load among several entities and devices therefor |
| 07/03/2003 | US20030126458 Method for sharing encrypted data region among processes in tamper resistant processor |
| 07/03/2003 | US20030126455 Content data transmitting device and method, and recording/reproducing device |
| 07/03/2003 | US20030126438 ABDS System and Verification Status for Authenticating Entity Access |
| 07/03/2003 | US20030126437 ABDS Method and Verification Status for Authenticating Entity Access |
| 07/03/2003 | US20030126432 Content authentication for digital media based recording devices |
| 07/03/2003 | US20030125964 System and method for controlling distribution of digital copyrighted material using a multi-level marketing model |
| 07/03/2003 | US20030125015 Data transfer system |
| 07/03/2003 | US20030123697 Compression method of digital signature |
| 07/03/2003 | US20030123670 Methods and apparatus for secure distribution of program content |
| 07/03/2003 | US20030123656 Elliptic curve cryptosystem apparatus, storage medium storing elliptic curve cryptosystem program, and elliptic curve cryptosystem arithmetic method |
| 07/03/2003 | US20030123433 Random multi-character code generating system |
| 07/02/2003 | EP1324530A2 Data transfer system using bit inversion |
| 07/02/2003 | EP1324188A2 Method for multiplying two Galois field factors and multiplier for carrying out the method |
| 07/02/2003 | EP1323161A2 Distribution of content |
| 07/02/2003 | EP1323089A1 Entity authentication in electronic communications by providing verification status of device |
| 07/02/2003 | EP1323027A1 Speed enhanced cryptographic method and apparatus |
| 07/02/2003 | CN1427967A Module calculation method and device |
| 07/01/2003 | US6587945 Transmitting reviews with digital signatures |
| 07/01/2003 | US6587864 Galois field linear transformer |
| 07/01/2003 | US6587837 Method for delivering electronic content from an online store |
| 07/01/2003 | US6587821 Methods for decoding watermark data from audio, and controlling audio devices in accordance therewith |
| 07/01/2003 | US6587030 Process for securing the privacy of data transmission |
| 07/01/2003 | CA2260272C Method and apparatus for a cryptographically-assisted commercial network system designed to facilitate and support expert-based commerce |
| 06/26/2003 | WO2003053001A1 Programmable data encryption engine for advanced encryption standard algorithm |
| 06/26/2003 | WO2003052603A1 Data use limit setting method, data use limit setting apparatus, data use limit setting program, and recording medium containing the program |
| 06/26/2003 | WO2003052584A2 Pipelined core in montgomery multiplier |
| 06/26/2003 | WO2003052565A1 Connectinmg a virtual token to a physical token |
| 06/26/2003 | WO2001095071A3 Method for signing documents using a pc and a personal terminal device |
| 06/26/2003 | US20030120943 System and method for controlling the use and duplication of digital content distributed on removable media |
| 06/26/2003 | US20030120942 Recording apparatus, reproducing apparatus, data processing apparatus, recording/reproducing apparatus, and data transmitting apparatus |
| 06/26/2003 | US20030120932 Synchronizing source and destination systems via parallel hash value determinations |
| 06/26/2003 | US20030120929 Digital signature and authentication method and apparatus |
| 06/26/2003 | US20030120924 Method for checking the integrity of data, system and mobile terminal |
| 06/26/2003 | US20030120684 System and method for providing manageability to security information for secured items |
| 06/26/2003 | US20030120611 Content distribution system and content distribution method |
| 06/26/2003 | US20030120601 Dynamic evaluation of access rights |
| 06/25/2003 | EP1320956A2 Trusted authentication digital signature (tads) system |
| 06/25/2003 | EP1320953A1 Method and apparatus for access authentication entity |