| 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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| 03/28/2012 | CN102396179A Content data reproduction system and recording device |
| 03/28/2012 | CN102396012A Secret distribution system, distribution device, distribution management device, acquisition device, processing methods for said devices, secret distribution method, program, and recording medium |
| 03/28/2012 | CN102396011A Encoding apparatus, decoding apparatus, encoding method, decoding method, security method, program, and recording medium |
| 03/28/2012 | CN102396010A Finite field calculation apparatus, finite filed calculation method, program, and recording medium |
| 03/22/2012 | US20120072727 Multi-isp controlled access to ip networks, based on third-party operated untrusted access stations |
| 03/20/2012 | US8141057 Data processing apparatus and associated method |
| 03/20/2012 | US8139767 Fine-grained forward-secure signature scheme |
| 03/20/2012 | CA2512670C Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data |
| 03/20/2012 | CA2412158C Data transfer system, data transfer apparatus, data recording apparatus, and data transfer method |
| 03/14/2012 | CN1670761B Systems and methods for encoding randomly distributed features in an object |
| 03/14/2012 | CN101853340B Application executing device, managing method, and program |
| 03/13/2012 | US8135133 Digital data file encryption apparatus and method |
| 03/13/2012 | CA2441620C Data stream header object protection |
| 03/07/2012 | EP2425582A1 Wireless communication apparatus and wireless communication method |
| 03/07/2012 | EP0861461B2 Systems and methods for secure transaction management and electronic rights protection |
| 03/07/2012 | CN101004805B Digital document management system, digital document management method |
| 03/06/2012 | US8132010 Authentication system |
| 03/06/2012 | US8132009 Authentication system |
| 03/06/2012 | US8131787 Information, transformation and reverse transformation processing |
| 03/06/2012 | US8131646 Reprogrammable security for controlling piracy and enabling interactive content using revocation status |
| 03/06/2012 | US8130964 Systems and methods for identity-based encryption and related cryptographic techniques |
| 02/29/2012 | EP2424187A2 Improvements to an agile network protocol for secure communications with assured system availability |
| 02/29/2012 | EP2424167A1 System and method for distributed management of shared computers |
| 02/29/2012 | EP2424166A1 System and method for distributed management of shared computers |
| 02/29/2012 | EP2424165A1 System and method for distributed management of shared computers |
| 02/29/2012 | EP2424164A1 System and method for distributed management of shared computers |
| 02/29/2012 | EP2424154A1 Encryption processing system |
| 02/29/2012 | EP2423905A1 Finite field calculation apparatus, finite filed calculation method, program, and recording medium |
| 02/29/2012 | EP2423904A1 Secret distribution system, distribution device, distribution management device, acquisition device, processing methods for said devices, secret distribution method, program, and recording medium |
| 02/29/2012 | EP2423903A1 Encoding apparatus, decoding apparatus, encoding method, decoding method, security method, program, and recording medium |
| 02/29/2012 | EP2423828A2 Pairing arithmetic device, pairing arithmetic method and recording medium having pairing arithmetic program recorded thereon |
| 02/22/2012 | EP2421220A1 Improvements to an agile network protocol for secure communications with assured system availability |
| 02/22/2012 | EP2421219A1 Improvements to an agile network protocol for secure communications with assured system availability |
| 02/21/2012 | US8122489 Secure handling of stored-value data objects |
| 02/21/2012 | US8122263 Application executing device, managing method, and program |
| 02/21/2012 | US8122262 Semiconductor device including encryption section, semiconductor device including external interface, and content reproduction method |
| 02/21/2012 | US8121293 System for ensuring encrypted communication after handover |
| 02/21/2012 | US8120713 Television apparatus |
| 02/15/2012 | EP1272984B1 Portable data carrier with protection against side channel attacks |
| 02/15/2012 | EP1193665B1 Block encryption device using auxiliary conversion |
| 02/15/2012 | CN102356418A Data processing device and data processing method |
| 02/14/2012 | US8117455 Object authentication from a signature part |
| 02/09/2012 | US20120033810 Authentication of integrated circuits |
| 02/07/2012 | US8112796 Secure federation of data communications networks |
| 02/07/2012 | US8112625 Systems and methods for secure transaction management and electronic rights protection |
| 02/07/2012 | CA2449739C Intelligent secure data manipulation apparatus and method |
| 02/07/2012 | CA2417919C Method and system for using electronic communications for an electronic contract |
| 02/02/2012 | WO2012014291A1 Tamper-resistant memory integrated circuit and encryption circuit using same |
| 02/01/2012 | EP2413305A1 Data processing device and data processing method |
| 02/01/2012 | CN101636714B 随机数产生装置和方法 Random number generating means and methods |
| 01/31/2012 | US8108905 System and method for an isolated process to control address translation |
| 01/26/2012 | WO2012011565A1 Secret sharing system, sharing apparatus, sharing management apparatus, acquiring apparatus, secret sharing method, program and recording medium |
| 01/26/2012 | WO2012011564A1 Encryption device, decryption device, encryption method, decryption method, program, and recording medium |
| 01/26/2012 | WO2012011455A1 Encryption device, decryption device, encryption method, decryption method, and computer program |
| 01/25/2012 | EP2410503A1 Calculating device and program |
| 01/25/2012 | CN101859504B Electronic device and password protection method thereof |
| 01/17/2012 | US8099771 Method for issuing IC card storing encryption key information |
| 01/11/2012 | CN1697552B Techniques for performing server user proxy authentication using SIP (session initiation protocol) messages |
| 01/11/2012 | CN1519792B Digital watermark with variable position |
| 01/11/2012 | CN101783726B S box evolution generator and generation method |
| 01/10/2012 | US8095797 Systems and methods for authenticating an electronic message |
| 01/10/2012 | US8095643 Communication apparatus and method providing robust service in the presence of deteriorated radio conditions |
| 01/10/2012 | CA2455857C Method of creating a virtual private network using a public network |
| 01/05/2012 | US20120005763 System and method for rendering content associated with a digital work |
| 01/05/2012 | US20120005762 System and method for rendering content associated with a digital work |
| 01/05/2012 | US20120005760 System and method for rendering content associated with a digital work |
| 01/05/2012 | US20120005110 System and method for rendering content associated with a digital work |
| 01/04/2012 | EP2402878A1 System for tracking end-user electronic content usage |
| 01/04/2012 | EP1687930B1 Randomized modular reduction method and hardware therefor |
| 01/04/2012 | CN1694400B Randomized signal transforms and their applications |
| 01/04/2012 | CN1665184B Using a flexible rights template to obtain a signed rights label (SRL) for digital content |
| 01/04/2012 | CN102308326A Pairing computation device, pairing computation method, and pairing computation program |
| 01/04/2012 | CN101040306B Pseudo random number generation device |
| 01/03/2012 | CA2481750C Prepaid pay television system |
| 12/28/2011 | EP2400417A2 System for tracking end-user electronic content usage |
| 12/27/2011 | US8086867 Secure identity and privilege system |
| 12/27/2011 | US8086866 Methods and apparatus for efficient computation of one-way chains in cryptographic applications |
| 12/27/2011 | US8086854 Content protection information using family of quadratic multivariate polynomial maps |
| 12/22/2011 | US20110314282 Content transmission apparatus, content reception apparatus and content transmission method |
| 12/22/2011 | US20110311045 Partial Multiple Encryption |
| 12/20/2011 | CA2419657C Data transfer system, data transfer apparatus, data recording apparatus, data transfer method |
| 12/15/2011 | WO2011083384A9 Method and system to create chinese language seeds from most frequently used characters and their applications |
| 12/15/2011 | US20110307693 Agile Network Protocol For Secure Communications With Assured System Availability |
| 12/13/2011 | US8079078 Encryption apparatus, program for use therewith, and method for use therewith |
| 12/13/2011 | US8079064 Service verifying system, authentication requesting terminal, service utilizing terminal, and service providing method |
| 12/13/2011 | US8078661 Multiple-word multiplication-accumulation circuit and montgomery modular multiplication-accumulation circuit |
| 12/08/2011 | WO2011152084A1 Efficient mutual authentication method, program, and device |
| 12/08/2011 | US20110302273 Efficient browser-based identity management providing personal control and anonymity |
| 12/08/2011 | US20110298938 Remote management system for at least one audiovisual information reproduction device |
| 12/07/2011 | EP1060591B1 Pseudo-random sequence generator and associated method |
| 12/07/2011 | CN101401141B 信息处理系统以及信息处理方法 The information processing system and an information processing method |
| 12/06/2011 | US8074285 Copy protection method for digital data stored on a medium |
| 12/06/2011 | US8073889 Seed generating circuit, random number generating circuit, semiconductor integrated circuit, IC card, and information terminal equipment |
| 12/06/2011 | US8073143 Information processing device and method |
| 12/01/2011 | US20110293089 Cryptographic Processing Apparatus and Cryptographic Processing Method, and Computer Program |
| 11/30/2011 | EP1379936B1 Content security layer providing long-term renewable security |
| 11/23/2011 | EP1667447B1 Data conversion system |
| 11/23/2011 | EP1461952B1 Partial encryption and pid mapping |
| 11/22/2011 | USRE42951 Copy prevention method and apparatus for digital video system |
| 11/22/2011 | USRE42950 Copy prevention method and apparatus for digital video system |