| 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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| 09/16/2004 | WO2004079988A1 Secure object for convenient identification |
| 09/16/2004 | US20040179691 Data reproduction apparatus capable of safely controlling reproduction time of encrypted content data and data reproduction circuit and data recording apparatus used for the same |
| 09/16/2004 | US20040179686 Method of reconstructing a secret, shared secret reconstruction apparatus, and secret reconstruction system |
| 09/16/2004 | US20040179681 Apparatus and method for performing montgomery type modular multiplication |
| 09/16/2004 | US20040179680 Method for encrypting a calculation using a modular function |
| 09/16/2004 | CA2516718A1 Secure object for convenient identification |
| 09/15/2004 | EP1457936A2 Application authentication system, secure device, and terminal device |
| 09/15/2004 | EP1457886A1 Data use limit setting method, data use limit setting apparatus, data use limit setting program, and recording medium containing the program |
| 09/15/2004 | EP1457875A2 Apparatus and method for performing montgomery type modular multiplication |
| 09/15/2004 | EP1457000A1 Method for registering and enabling pki functionalities |
| 09/15/2004 | EP1456998A1 Cryptographic method for distributing load among several entities and devices therefor |
| 09/15/2004 | EP1456994A1 Programmable data encryption engine for advanced encryption standard algorithm |
| 09/15/2004 | EP1456731A1 Connecting a virtual token to a physical token |
| 09/15/2004 | EP1018237A4 Method and system of dynamic transformation of encrypted material |
| 09/15/2004 | CN1529978A Method for flexible charging of fees for service and resources in networks |
| 09/15/2004 | CN1529876A Financial information input method using symmetrical key security algorithm and commercial transaction system for mobile communications |
| 09/15/2004 | CN1167230C Communication system, communicaton control apparatus and method |
| 09/14/2004 | US6792530 Implicit certificate scheme |
| 09/14/2004 | US6792425 Secure multi database system including a client, multi database server, and database server |
| 09/10/2004 | WO2004077196A2 Adder for adding at least three input operands |
| 09/09/2004 | US20040177267 Streaming system for distributing encrypted compressed image data, and streating method thereof |
| 09/09/2004 | US20040177258 Secure object for convenient identification |
| 09/09/2004 | US20040177105 Multilplier and cipher circuit |
| 09/09/2004 | US20040174994 Time based encryption algorithm |
| 09/09/2004 | US20040174874 AV data transmission and reception scheme for realizing copyright protection |
| 09/08/2004 | EP1455478A1 Method for the encryption of an N-digit word |
| 09/08/2004 | EP1455270A2 Method and apparatus for basis conversion in finite field and a multiplier |
| 09/08/2004 | EP1454449A1 Methods and apparatus for secure distribution of program content |
| 09/08/2004 | CN1528102A Local authentication in a communication system |
| 09/08/2004 | CN1528067A Data reproduction apparatus capable of safely controlling reproduction time of encrypted content data and data reproduction circuit and data recording apparatus used for the same |
| 09/08/2004 | CN1528066A Apparatus and method for performing KASUMI ciphering |
| 09/08/2004 | CN1527997A Content recording/playback apparatus, and recording medium storing program for content recording/ playback |
| 09/08/2004 | CN1527972A 计算机软件安装 Computer software installation |
| 09/08/2004 | CN1166144C Display equipment connected to local digital network |
| 09/08/2004 | CN1166112C One way data converter and machine identification system |
| 09/08/2004 | CN1166111C Countermeasure method in an electronic component using a secret key cryptographic algorithm |
| 09/08/2004 | CN1165837C Microcomputer, system and method for changing storage data |
| 09/07/2004 | US6789166 Methods and apparatus for facilitating data communications between a data storage device and an information-processing apparatus |
| 09/07/2004 | US6788787 Pseudorandom number generator, stream encryption method, and stream encrypting communication method |
| 09/02/2004 | WO2004075191A1 Reproduction apparatus and reproduction program |
| 09/02/2004 | WO2004075190A1 Recording device and method, decoding device and method, provided medium, and information recording medium |
| 09/02/2004 | US20040172550 Security system, information management system, encryption support system, and computer program product |
| 09/02/2004 | US20040172542 Application authentication system, secure device, and terminal device |
| 09/02/2004 | US20040172538 Information processing with data storage |
| 09/02/2004 | US20040172536 Method for authentication between a portable telecommunication object and a public access terminal |
| 09/02/2004 | US20040172533 Tying a digital license to a user and tying the user to multiple computing devices in a digital rights management (DRM) sytem |
| 09/02/2004 | US20040172366 Information processing apparatus and method, and distribution medium |
| 09/01/2004 | EP1452941A2 Publishing digital content within a defined universe such as an organization in accordance with a digital rights management (DRM) system |
| 09/01/2004 | EP1451967A1 Digital signature and authentication method and apparatus |
| 09/01/2004 | EP1451963A1 Security reconfiguration in a universal mobile telecommunications system |
| 09/01/2004 | EP1451814A1 System and method for controlling the use and duplication of digital content distributed on removable media |
| 09/01/2004 | EP1451761A1 Method and system for watermarking an electrically depicted image |
| 09/01/2004 | EP1451660A2 Methods of accessing and using web-pages |
| 09/01/2004 | CN1526237A Transmitting and processing protected content |
| 09/01/2004 | CN1526088A Processing copy protection signals |
| 09/01/2004 | CN1525685A One-way data conversion apparatus and device authentication system |
| 09/01/2004 | CN1165173C Method for controlling replay of data signal |
| 08/31/2004 | US6785331 Predictive encoding and decoding methods of video data |
| 08/26/2004 | US20040168064 System of generating procedure for digital signature and encryption to XML |
| 08/26/2004 | US20040167955 Arithmetic device for multiple precision arithmetic for montgomery multiplication residue arithmetic |
| 08/26/2004 | US20040167952 Method and apparatus for carrying out efficiently arithmetic computations in hardware |
| 08/26/2004 | US20040167826 Anonymous electronic funds transfer system and method, and anonymous shipping system and method |
| 08/26/2004 | US20040165721 Encryption/decryption unit and storage medium |
| 08/26/2004 | US20040165413 Memory device |
| 08/25/2004 | EP1450235A2 Memory device |
| 08/25/2004 | EP1449873A1 Rubber composition comprising nitrile copolymer rubber, metal salt of ethylenically unsaturated carboxylic acid, and organic peroxide, and vulcanizate thereof |
| 08/25/2004 | EP1449176A2 Certification apparatus, method and device for authenticating message origin |
| 08/25/2004 | EP1449130A2 Methods and apparatus for the interoperablility and manipulation of data in a computer network |
| 08/25/2004 | EP1449069A1 Galois field linear transformer |
| 08/25/2004 | EP1449063A1 Galois field multiplier system |
| 08/25/2004 | EP1087425A4 Method for the cryptographic conversion of binary data blocks |
| 08/25/2004 | EP0909495B1 Public key cryptography method |
| 08/25/2004 | CN1524363A Process and apparatus for improving the security of digital signatures and public key infrastructures for real-world applications |
| 08/25/2004 | CN1524207A Software modem with privileged mode driver authentication |
| 08/25/2004 | CN1523914A Method for establishing and managing a trust model between a chip card and a radio terminal |
| 08/25/2004 | CN1523848A SIP service method in a network having a NAT |
| 08/25/2004 | CN1523810A Method of designing optimum encryption function and optimized encryption apparatus in a mobile communication system |
| 08/25/2004 | CN1523483A Memory device |
| 08/25/2004 | CN1163805C System for tracking end-user electronic content usage |
| 08/19/2004 | WO2004071106A2 Method for storing and transmitting data generated by a security module |
| 08/19/2004 | WO2004070681A2 Elliptic curve scalar multiple calculation method and device |
| 08/19/2004 | US20040162984 Secure identity and privilege system |
| 08/19/2004 | US20040162869 Calculation device and calculation method |
| 08/19/2004 | US20040161106 Key generator device, encoding/decoding device, and key generation method |
| 08/19/2004 | US20040160344 Robust system for transmitting and receiving map data |
| 08/19/2004 | DE10347456A1 Digitales Wasserzeichen mit variabler Position Digital watermarks with variable position |
| 08/18/2004 | EP1447981A1 Information processing device and method, program, and recording medium |
| 08/18/2004 | EP1447734A2 Reconfigurable secure input device |
| 08/18/2004 | EP1446912A1 Authenticating resource requests in a computer system |
| 08/18/2004 | EP1446889A2 Method and apparatus for decoding lattice codes and multilevel coset codes |
| 08/18/2004 | EP0891661B1 Method and apparatus for data protection allowing for multiple encryption levels applicable on a data element type level |
| 08/18/2004 | CN1521980A Publishing digital content within a defined universe such as an organization in accordance with a digital rights management (drm) system |
| 08/18/2004 | CN1521705A Cipher control device |
| 08/18/2004 | CN1521628A Authentication method, communication method, and information processing apparatus |
| 08/18/2004 | CN1163018C Method and apparatus for generating message authantion code |
| 08/17/2004 | US6778668 Method and system for escrowed backup of hotelled world wide web sites |
| 08/17/2004 | CA2449662C Block encryption device using auxiliary conversion |
| 08/12/2004 | WO2004068887A1 Unitary management authentication device |
| 08/12/2004 | WO2003036884A3 Method and apparatus for integration of communication links with a remote direct memory access protocol |
| 08/12/2004 | US20040158709 Publishing digital content within a defined universe such as an organization in accordance with a digital rights management (DRM) system |