Patents
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)
10/2000
10/19/2000WO2000062477A1 Authentication and signature method for messages using reduced size of binary units of information content and corresponding systems
10/19/2000WO2000062473A1 Method for making secure one or several computer installations using a common cryptographic secret key algorithm, use of the method and computer installation
10/19/2000WO2000062260A1 Method and system for ordering, loading and using access tickets
10/19/2000WO2000062217A1 Information processing device and method, and providing medium
10/19/2000WO2000062215A1 Information processing device and method, and providing medium
10/19/2000CA2369733A1 Method of and apparatus for providing secure communication of digital data between devices
10/18/2000EP1045585A1 Method of and apparatus for providing secure communication of digital data between devices
10/18/2000EP1045574A1 Method and apparatus for sending or receiving a secure fax
10/18/2000EP1045321A2 Information processing apparatus and method, management apparatus and method, and providing medium
10/18/2000EP1044433A1 Method and system for controlling access to a resource limited to certain time frames
10/18/2000EP1044405A1 Power signature attack resistant cryptography
10/18/2000CN1270452A Method and system based on station arrangement for convenient bidirectional mobile communication equipment
10/17/2000CA2227203C An electronic lottery system and its operating method and computer-readable recording medium in which the electronic lottery program code is stored
10/12/2000WO2000060551A1 Method of deriving an identification number
10/12/2000WO2000027090A3 Network protocol for secure communications
10/11/2000EP1043906A2 Method and system facilitating web based provisioning of two-way mobile communications devices
10/11/2000EP1043878A2 Information processing apparatus and method, information management apparatus and method and information providing medium
10/11/2000EP1043863A1 Method for the cryptographic conversion of l-bit input blocks of digital data into l-bit output blocks
10/11/2000EP1043693A2 Authorization system and authorization method
10/11/2000EP1043654A2 Apparatus and method for generating parameters for finite field operations
10/11/2000EP1042885A1 Client side public key authentication method and apparatus with short-lived certificates
10/11/2000EP1042882A1 Method for strongly authenticating another process in a different address space
10/11/2000EP1020049A4 Tamper resistant methods and apparatus
10/11/2000CN1269935A Data dissemination system for computer network
10/11/2000CN1269549A System and method for operating computer documents and/or programme
10/10/2000US6131165 Permit for controlling access to services in protected memory systems
10/05/2000WO2000059177A1 Server computer for guaranteeing files integrity
10/05/2000WO2000059157A1 Countermeasure method in an electric component implementing an elliptical curve type public key cryptography algorithm
10/05/2000WO2000059156A1 Countermeasure procedures in an electronic component implementing an elliptical curve type public key encryption algorithm
10/05/2000WO2000059153A2 Duty cycle corrector for a random number generator
10/05/2000WO2000058962A1 Usage dependent ticket to protect copy-protected material
10/05/2000WO2000027086A3 Network protocol for secure communications
10/05/2000DE19914407A1 Method for deriving identification numbers converts a customer's personal data into a binary number of a set bit length with the help of a secret key.
10/04/2000EP1041823A2 Content distribution apparatus, content receiving apparatus, and content distribution method
10/04/2000EP1041767A2 Authentication of electronic data
10/04/2000EP1041481A2 Data interchange method and system
10/04/2000EP1040620A1 Method for making secure the transmission of a message from a transmitting device to a receiving device
10/04/2000EP1040619A1 Device for authenticating digital images
10/04/2000EP1040617A1 An improved des encryption and decryption system and method
10/04/2000EP1040439A1 Portable 1-way wireless financial messaging unit
10/04/2000EP1040402A1 Data processing device with means for counteracting analysis methods for the detection of a secret characteristic value
10/03/2000US6128736 Method for inserting a watermark signal into data
09/2000
09/28/2000WO2000057613A1 Method and apparatus for secure data transmission system
09/27/2000EP1039741A2 Health care system using data authentication
09/27/2000EP1038371A1 Transformation methods for optimizing elliptic curve cryptographic computations
09/27/2000CN1267856A Digital data document encrypting apparatus and method, and recording medium of encrypted programme
09/21/2000WO2000056007A1 Method for verifying a message signature
09/21/2000WO2000055861A1 A method and system for providing copy-protection on a storage medium and storage medium for use in such a system
09/21/2000WO1998043172A3 Access control system
09/20/2000EP1037425A2 Apparatus and method for integrating error control and authentication for satellite uplinks
09/20/2000EP1036460A2 A method for packet authentication in the presence of network address translations and protocol conversions
09/20/2000EP1036372A1 A remotely accessible private space using a fingerprint
09/20/2000EP0760987B1 Method of verifying the integrity of data stored on a processing facility used for processing sheet-like articles such as bank notes or bills
09/20/2000EP0694232A4 Method for data compression
09/20/2000CN1267177A Digital portable mobile telephone set and method for voice data input/output and storage/regeneration
09/20/2000CN1267167A Electronic assets use system and method, server, and recording medium comprising said method
09/19/2000US6122374 Method of reading a service card
09/14/2000WO2000054456A1 Method of ciphering data transmission in a radio system
09/14/2000WO2000054455A1 Voice and data encryption method using a cryptographic key split combiner
09/14/2000WO2000054454A1 Countermeasure method in an electronic component using a secret key cryptographic algorithm
09/14/2000WO2000054125A1 Computing apparatus and methods using secure authentication arrangement
09/13/2000EP1034648A1 Method and apparatus for use of a watermark and a receiver dependent reference for the purpose of copy protection
09/13/2000EP1034638A1 Data dissemination system for computer networks
09/13/2000EP1034517A1 Method for managing data in a smart card
09/13/2000EP1034467A2 Method and apparatus for viewing electronic reading materials
09/13/2000CN1266573A System for generating electronic signatures in absolute security
09/13/2000CN1266567A Data scrambling system and communications system incorporating same
09/13/2000CN1266520A Secure transaction system
09/13/2000CN1266240A Method and system for realizing bank card deal
09/12/2000US6119234 Method and apparatus for client-host communication over a computer network
09/12/2000US6119228 Method for securely communicating remote control commands in a computer network
09/12/2000US6118874 Encrypted data recovery method using split storage key and system thereof
09/08/2000WO2000052866A2 Portable electronic charge and authorization devices and methods therefor
09/06/2000EP1033009A1 Masked digital signatures
09/06/2000EP1032873A1 Apparatus for multiprecision integer arithmetic
09/06/2000CN1265807A Global conditioner access system for broadcast services
09/05/2000CA2173018C Method of manufacturing secure boxes in a key management system
08/2000
08/30/2000EP1031909A2 A system and method for manipulating a computer file and/or program
08/30/2000EP1031908A2 Method and apparatus for creating, supporting, and using travelling programs
08/30/2000EP1031207A1 Apparatus, and associated method, for generating a pseudo-random number
08/30/2000EP1031205A1 Method for identifying proprietary data of traitors
08/30/2000EP1031204A2 Cryptographic system and method with fast decryption
08/30/2000CN2393757Y Theftproof device of automobile
08/29/2000US6111952 Asymmetrical cryptographic communication method and portable object therefore
08/24/2000WO2000049797A1 Authentication and verification within a digital camera architecture
08/24/2000WO2000049765A2 Method for countermeasure in an electronic component using a secret key algorithm
08/23/2000EP1030272A2 Electronic asset utilization system, electronic asset utilization method, server for use with electronic asset utilization system, and recording medium having recorded thereon electronic asset utilization method
08/22/2000US6108791 Password processing apparatus and method
08/22/2000US6108787 Method and means for interconnecting different security level networks
08/22/2000US6108421 Method and apparatus for data encryption
08/22/2000US6105864 Terminal device and terminal system
08/22/2000US6105862 Method for performing a double-signature secure electronic transaction
08/17/2000WO2000048399A1 System for automated comprehensive remote servicing for media information
08/17/2000WO2000048375A1 Media distribution system
08/17/2000WO2000048355A2 Method for verifying the use of public keys generated by an on-board system
08/17/2000WO2000048108A1 System and method for providing certification-related and other services
08/17/2000WO2000048060A1 Method for securing access to a data processing device and appropriate device
08/17/2000WO2000011828A9 Time-stamping with binary linking schemes
08/17/2000CA2398323A1 Method for safeguarding the access to a data processing apparatus and corresponding arrangement
08/17/2000CA2371791A1 System and method for providing certification-related and other services