Patents
Sitemap › G09 - Educating; Cryptography; Display; Advertising; Seals › G09C - Ciphering or deciphering apparatus for cryptographic or other purposes involving the need for secrecy › 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
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)
03/2007
03/27/2007CA2336291C Cryptographic communication process and apparatus
03/22/2007WO2007032499A1 Wireless communication system and wireless communication method
03/22/2007WO2007032070A1 Data protection processing method, its device, data processing device, and circuit device
03/22/2007US20070064944 Method and apparatus for symmetric-key decryption
03/21/2007EP1764696A1 Recording device, recording medium, and content protection system
03/21/2007EP1497948A4 Signature schemes using bilinear mappings
03/21/2007EP1381993B1 Method and apparatus for establishing usage rights for digital content to be created in the future
03/21/2007EP1305911B1 Techniques for performing umts-authentication using sip (session initiation protocol) messages
03/21/2007EP1224827B1 Authentication of subscriber station
03/21/2007CN1933626A Double-mode mobile terminal
03/21/2007CN1933413A Group broadcasting member management method for radio local network IP group broadcasting frame transmission
03/21/2007CN1306748C Improving DES hardware throughput for short operations
03/21/2007CN1306445C 终端设备和终端系统 Terminal equipment and terminal system
03/20/2007US7194632 Method for secure biometric authentication/identification, biometric data input module and verification module
03/20/2007US7194090 Encryption apparatus, decryption apparatus, expanded key generating apparatus and method therefor, and recording medium
03/15/2007WO2007029863A1 Receiver, transmitter and communication control program
03/15/2007WO2007029330A1 Pseudo random number generation device
03/15/2007US20070058805 Encryption apparatus and method, and decryption apparatus and method based on block encryption
03/15/2007US20070058579 Method for processing calls from multiple communication networks and equipment thereof
03/14/2007EP1763276A2 Method for processing calls from multiple communication networks and equipment thereof
03/14/2007EP1446912A4 Authenticating resource requests in a computer system
03/14/2007EP1236077B1 Branch-else-return instruction
03/14/2007CN1929447A Method and device for searching address prefixion and message transfer method and system
03/14/2007CN1304977C Data providing system, device, and method
03/13/2007US7191346 Data transfer system, data transfer apparatus, data recording apparatus, edit controlling method and data processing method
03/13/2007US7191340 Generation of a secret quantity based on an identifier of an integrated circuit
03/08/2007WO2007026634A1 Information sharing system and information sharing method
03/08/2007US20070055872 Secure processor
03/07/2007EP1547416B1 Method for calculating hashing of a message in a device communicating with a smart card
03/07/2007EP1163559B1 Method for securing access to a data processing device and appropriate device
03/07/2007EP1151576B1 Public and private key cryptographic method
03/07/2007CN1925561A Camera module apparatus with IR-cut-coated window glass
03/07/2007CN1925536A Imaging system and system control method
03/07/2007CN1925459A Device and method for packaging multiple-pass data packet
03/07/2007CN1925432A Method for realizing tax controlled data monitoring of POS system
03/06/2007US7188248 Recovering from de-synchronization attacks against watermarking and fingerprinting
03/06/2007US7188246 System for adding electronic signature to a report associated with an image file
03/06/2007US7188086 Confidential information management system and information terminal for use in the system
03/01/2007WO2007023610A1 Content server device, on-vehicle player device, system, method, and program
03/01/2007US20070050850 Control method, control program, and control system
03/01/2007US20070050616 Device, program, and method for transmitting or receiving an image through electronic mail
03/01/2007US20070050300 Electronic cash system
03/01/2007US20070046512 Data conversion system
03/01/2007US20070045551 Camera module apparatus with IR-cut-coated window glass
03/01/2007US20070045550 Miniature camera module with lens containing image sensor
02/2007
02/28/2007EP1758295A2 Authentification of data in a digital transmission system
02/28/2007EP1110401B1 Secure information distribution system utilizing information segment scrambling
02/28/2007CN1922817A 信息处理装置 The information processing apparatus
02/28/2007CN1922643A Encryption system, encryption device, decryption device, program, and integrated circuit
02/28/2007CN1922600A User authentication system and data providing system using the same
02/28/2007CN1921676A Up channel analytical method, up channel abnormal analytical method and system
02/28/2007CN1921567A Miniature camera module with lens containing image sensor
02/28/2007CN1921536A Device, program, and method for transmitting or receiving an image through electronic mail
02/28/2007CN1921457A Network equipment and message transferring method based on multiple-core processor
02/28/2007CN1921414A NGN system and end to end tracing method and device applied in this system
02/28/2007CN1302635C Countermeasure method in electronic component using secret key cryptographic algorithm
02/28/2007CN1302389C Authentication method, communication method, and information processing apparatus
02/27/2007US7185199 Apparatus and methods for providing secured communication
02/27/2007US7185193 Person authentication system, person authentication method, and program providing medium
02/27/2007US7184986 Content transaction system and method, and program providing medium therefor
02/27/2007US7184547 Authenticating or signature method with reduced computations
02/21/2007EP1755315A2 Improvements to an agile network protocol for secure communications with assured system availability
02/21/2007EP1755307A2 Improvements to an agile network protocol for secure communications with assured system availability
02/21/2007EP1755033A1 Random number extraction method and random number generation device using the same
02/21/2007CN1918844A Secret information management scheme based on secret sharing scheme
02/21/2007CN1917421A Method of producing decryption apparatus having element for encryption processing and information used for the encryption processing, decryption apparatus therefrom
02/20/2007US7181602 Method for exchanging at least one secret initial value between a processing station and a chip card
02/20/2007US7181405 Electronic tender system
02/20/2007US7181196 Performing authentication in a communications system
02/20/2007US7181022 Audio watermarking to convey auxiliary information, and media embodying same
02/20/2007US7181008 Contents management method, content management apparatus, and recording medium
02/15/2007WO2007018061A1 Point management system
02/15/2007WO2007016874A1 Mobile exchange center embedded with video gateway andmethod for realizing media intercommunication
02/14/2007EP1052611B9 Data converter and recording medium on which program for executing data conversion is recorded
02/14/2007EP0974229B8 Broadcast and reception system, and conditional access system therefor
02/14/2007CN1914852A Information processing device, information recording medium, information processing method, and computer program
02/14/2007CN1914850A Information processing device and method
02/14/2007CN1913456A Method of identifing VOIP flow based on SIP protocol process performance
02/14/2007CN1912955A Production method of power automatic device product
02/14/2007CN1912953A Multifunction cipher
02/14/2007CN1912885A Systems and methods for secure transaction management and electronic rights protection
02/14/2007CN1300708C Data use limit setting method and data use limit setting apparatus
02/13/2007US7178040 Data processing method, system and apparatus for processing a variety of demands from a service provider
02/13/2007US7178036 Method and system for providing copy-protection on a storage medium and storage medium for use in such a system
02/13/2007US7178033 Method and apparatus for securing digital assets
02/13/2007US7177424 Cryptographic apparatus and method
02/13/2007US7177422 Elliptic curve encryption processing method, elliptic curve encryption processing apparatus, and program
02/13/2007US7177042 Facsimile apparatus and account-selling system using the same
02/13/2007US7176934 3-D graphics texturing system using encrypted textures
02/13/2007CA2181299C Cryptographic communication process
02/08/2007US20070033419 Reprogrammable security for controlling piracy and enabling interactive content
02/08/2007US20070033391 Data distribution apparatus and data communications system
02/07/2007EP1444242B1 Secure handling of stored-value data objects
02/07/2007EP0938790B1 A method and device for executing a decrypting mechanism through calculating a standardized modular exponentiation for thwarting timing attacks
02/07/2007CN1909510A Method and system for random packet interval sampling on network
02/07/2007CN1909443A Data distribution apparatus and data communications system
02/07/2007CN1909023A Transmitting/receiving system and method, transmitting apparatus and method, receiving apparatus and method, and program used therewith
02/06/2007US7174460 Distributed digital signature generation method and digitally signed digital document generation method and apparatus
02/06/2007US7174019 Cipher generating device, cipher decoding device, cipher generating program, cipher decoding program, authentication system and electronic device
02/06/2007US7174016 Modular exponentiation algorithm in an electronic component using a public key encryption algorithm
1 ... 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 ... 126