| 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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| 07/08/2004 | US20040133785 Content utilizing method |
| 07/08/2004 | US20040133781 Cryptographic authentication with ephemeral modules |
| 07/08/2004 | US20040132744 lower gastrointestinal and cardiovascular side effects; use in treatment of respiratory system disorders, as tokolitics and as antiallergics, for eye applications. |
| 07/08/2004 | US20040131186 Encrypting apparatus |
| 07/07/2004 | EP1435161A1 Active intrusion resistant environment of layered object and compartment keys |
| 07/07/2004 | EP1097553B1 Method of transmitting information data from a sender to a receiver via a transcoder |
| 07/07/2004 | CN1510681A Duplicating protective system and method for digital signal |
| 07/07/2004 | CN1510680A Duplicating protective system and method for digital signal |
| 07/07/2004 | CN1510679A Duplicating protective system and method for digital signal |
| 07/07/2004 | CN1156782C Method and device for searching encryped file |
| 07/06/2004 | US6760445 Method for identifying betrayers of proprietary data |
| 07/06/2004 | US6760441 Generating a key hieararchy for use in an isolated execution environment |
| 07/06/2004 | US6760440 One's complement cryptographic combiner |
| 07/06/2004 | US6760439 Device for implementing a block-ciphering process |
| 07/01/2004 | WO2004055756A1 Tamper-resistant elliptical curve encryption using secret key |
| 07/01/2004 | WO2003038572A3 System and method for protecting a peripheral device against hot plug attacks |
| 07/01/2004 | US20040128524 Delivery system for delivery items, delivery agency server apparatus, cryptogram reader, delivery method for delivery items, program, and recording medium |
| 07/01/2004 | US20040128332 Method for generating rendom number and random number generator |
| 07/01/2004 | US20040128252 Information processing device, contents distribution server, license server, and method and computer program |
| 07/01/2004 | US20040125959 Authentication of data transmitted in a digital transmission system |
| 07/01/2004 | US20040125949 Method of and apparatus for determining a key pair and for generating RSA keys |
| 07/01/2004 | DE69727198T2 Durchführen digitaler Unterschriften für Datenströme und Archive Performing digital signatures for data streams and archives |
| 06/30/2004 | EP1433282A1 Method for implementing in an electronic component a cryptographic algorithm for finding the public exponent |
| 06/30/2004 | CN1509558A Protable device for securing packet traffic in host platform |
| 06/30/2004 | CN1508698A Data storage apparatus, information processing apparatus and data-storage processing method |
| 06/30/2004 | CN1156174C Pre-location of authentication information in a personal communication system |
| 06/30/2004 | CN1156145C Method for confirming the integrity of an image transmitted with a loss |
| 06/30/2004 | CN1156117C Method, apparatus and communication system for exchanging message in all over environment |
| 06/30/2004 | CN1155866C Method and apparatus for protection of softward against use without permit |
| 06/29/2004 | US6755346 Usage dependent ticket to protect copy-protected material |
| 06/24/2004 | WO2004006579A9 Content and key distribution system for digital content representing media streams |
| 06/24/2004 | US20040123129 Trusted infrastructure support systems, methods and techniques for secure electronic commerce transaction and rights management |
| 06/24/2004 | US20040123100 Certificate issuing method and certificate verifying method |
| 06/24/2004 | US20040123099 Certificate, certificate issuing method and system and certificate verifying method and device |
| 06/24/2004 | US20040122955 Remote control system using web and icon |
| 06/24/2004 | US20040120517 Device for compression and encryption, and device for decompression and decryption |
| 06/23/2004 | EP1431864A2 Systems and methods for secure transaction management and electronic rights protection |
| 06/23/2004 | EP1430640A1 A method for authenticating a user in a terminal, an authentication system, a terminal, and an authorization device |
| 06/23/2004 | EP1430637A2 A cryptosystem for data security |
| 06/23/2004 | EP1430390A2 Method and apparatus for random bit-string generation utilizing environment sensors |
| 06/23/2004 | EP1287655B1 Method for securing the authenticity of hardware and software in a network |
| 06/23/2004 | CN2621323Y Outer display controller for bank-note checking apparatus with cipher input module |
| 06/23/2004 | CN1507626A Reproduction control method, program, and recording medium |
| 06/23/2004 | CN1507203A Method and system for conducting user verification to sub position of network position |
| 06/23/2004 | CN1155278C Security module, security system and mobile station |
| 06/23/2004 | CN1155248C Decoding apparatus/method and data format for processing and storing encrypted video data |
| 06/23/2004 | CN1155246C Integrated circuit and method for securing data processing by means of this integrated circuit |
| 06/23/2004 | CN1155197C Remote proxy system and method |
| 06/22/2004 | US6754824 Modulated message authentication system and method |
| 06/22/2004 | US6754348 System and method for determining winner |
| 06/22/2004 | US6754345 Pseudorandom number generation circuit and data communication system employing the same |
| 06/17/2004 | WO2003071415A3 Randomness test utilizing auto-correlation |
| 06/17/2004 | WO2002084447A3 Methods and apparatus for the interoperablility and manipulation of data in a computer network |
| 06/17/2004 | US20040117642 Secure media card operation over an unsecured PCI bus |
| 06/17/2004 | US20040117623 Methods and apparatus for secure data communication links |
| 06/17/2004 | US20040114765 Extraction of a private datum to authenticate an integrated circuit |
| 06/17/2004 | US20040114761 Random number generation apparation |
| 06/17/2004 | US20040114757 Method for generating an electronic key from a prime number contained in a specific interval and device therefor |
| 06/16/2004 | EP1428374A1 Process, arrangement, devices for seizure of a shared telephone line |
| 06/16/2004 | EP1428099A2 A texturing system |
| 06/16/2004 | CN1505399A Copy prevention method, treatment apparatus and record medium for digital video system |
| 06/16/2004 | CN1505309A Securely processing client credentials used for web-based access to resources |
| 06/16/2004 | CN1154293C Method of and apparatus for encrypting signals for transmission |
| 06/16/2004 | CN1154105C System and method for copy protection for digital signals |
| 06/15/2004 | US6751639 Method and apparatus for generating numbers |
| 06/15/2004 | US6751598 Digital content distribution system and protection method |
| 06/15/2004 | US6751321 Digital data reproduction device |
| 06/15/2004 | US6750905 Digital camera storing and outputting encrypted digital image data |
| 06/10/2004 | US20040111621 Methods and systems for authentication of a user for sub-locations of a network location |
| 06/10/2004 | US20040111603 Document administration apparatus, document administration method, computer program, and computer-readable memory medium |
| 06/10/2004 | US20040111602 Public key cryptograph communication method |
| 06/10/2004 | US20040111520 Increasing the level of automation when provisioning a computer system to access a network |
| 06/10/2004 | US20040111379 System and method for providing certification-related and other services |
| 06/09/2004 | EP1427231A1 Method of establishing and managing a confidence model between a SIM-card and a mobile terminal |
| 06/09/2004 | EP1427163A2 Method and system for a computer to access a communication network |
| 06/09/2004 | EP1427160A2 Methods and systems for authentication of a user for sub-locations of a network location |
| 06/09/2004 | EP1426951A2 Terminal apparatus capable of using a recording medium with a copyright protection function |
| 06/09/2004 | EP1425885A1 Method and system for transmitting data from a first data network into a second data network |
| 06/09/2004 | EP1425873A2 Method and apparatus for constructing digital certificates |
| 06/09/2004 | EP1425722A2 A remote control account authorization system |
| 06/09/2004 | EP1425667A1 Encryption for a stream file in an fpga integrated circuit |
| 06/09/2004 | EP1425649A2 Virus detection system |
| 06/09/2004 | EP1425648A2 Method and system for secure distribution of digital documents |
| 06/09/2004 | EP1381993A4 Method and apparatus for establishing usage rights for digital content to be created in the future |
| 06/09/2004 | CN1504028A Cryptographic authentication with ephemeral modules |
| 06/09/2004 | CN1503960A 遥控帐户授权系统 Remote account authorization system |
| 06/09/2004 | CN1503939A Polynomial arithmetic operations |
| 06/09/2004 | CN1503569A Transmitting prerecorded data limited right and method for reproducing said data |
| 06/09/2004 | CN1153466C Transmission and reception of television programmes and other data |
| 06/09/2004 | CN1153465C Method and apparatus for preventing fraudulent access in conditional access system |
| 06/09/2004 | CN1153404C Common cryptographic key cipher system possessing enhanced protection to prevent selective cipher script attack |
| 06/09/2004 | CN1153402C Methods and systems for creating and authenticating unalterable self-verifying articles |
| 06/08/2004 | US6748537 System and method for controlling the use and duplication of digital content distributed on removable media |
| 06/08/2004 | US6748530 Certification apparatus and method |
| 06/08/2004 | US6748529 Method and apparatus for effecting secure document format conversion |
| 06/08/2004 | US6747546 Data communication transponder and communications system employing it |
| 06/06/2004 | CA2448946A1 Increasing the level of automation when provisioning a computer system to access a network |
| 06/05/2004 | CA2448853A1 Methods and systems for authentication of a user for sub-locations of a network location |
| 06/03/2004 | WO2004047052A1 Tamper-resistant information processor |
| 06/03/2004 | WO2004046912A1 Random number generator |