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Class Information
Number: 380/28
Name: Cryptography > Particular algorithmic function encoding
Description: Subject matter wherein an algorithmic operation is performed upon a signal in order to encrypt the information signal.










Sub-classes under this class:

Class Number Class Name Patents
380/29 Nbs/des algorithm 635
380/30 Public key 1,676


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next

Patent Number Title Of Patent Date Issued
7761704 Method and apparatus for expiring encrypted data Jul. 20, 2010
7760884 Cryptographic method and devices for facilitating calculations during transactions Jul. 20, 2010
7760881 Data processing apparatus and data reception processing apparatus Jul. 20, 2010
7760875 Accelerating Diffie-Hellman key-exchange protocol with zero-biased exponent windowing Jul. 20, 2010
7760874 Method and system for implementing FI function in KASUMI algorithm for accelerating cryptography in GSM/GPRS/EDGE compliant handsets Jul. 20, 2010
7760873 Method and a system for a quick verification rabin signature scheme Jul. 20, 2010
7760872 Public key cryptographic methods and systems Jul. 20, 2010
7760871 Block cipher using auxiliary transformation Jul. 20, 2010
7760870 Block cipher apparatus using auxiliary transformation Jul. 20, 2010
7757091 Method and apparatus for the creation of a self-authenticating document Jul. 13, 2010
7752449 System and method for generating a non-repudiatable record of a data stream Jul. 6, 2010
7752444 System and method for providing identity hiding in a shared key authentication protocol Jul. 6, 2010
7751567 Local authentication of mobile subscribers outside their home systems Jul. 6, 2010
7751565 Secure encryption system, device and method Jul. 6, 2010
7751557 Data de-scrambler Jul. 6, 2010
7751556 Apparatus and method of generating falsification detecting data of encrypted data in the course of process Jul. 6, 2010
7748041 Tool, method, and program for supporting system security design/evaluation Jun. 29, 2010
7748036 Methods for categorizing input data Jun. 29, 2010
7747876 Method and system for a recursive security protocol for digital copyright control Jun. 29, 2010
7747870 Apparatuses and methods for decrypting encrypted data and locating the decrypted data in a memory space used for execution Jun. 29, 2010
7747869 Process for detecting defective component exchanges Jun. 29, 2010
7747011 Encryption device, encryption method, and computer program Jun. 29, 2010
7742597 Exclusive encryption system Jun. 22, 2010
7742596 Reliable elliptic curve cryptography computation Jun. 22, 2010
7742595 Cryptographic method protected against covert channel type attacks Jun. 22, 2010
7738657 System and method for multi-precision division Jun. 15, 2010
7734048 Cryptographic system using chaotic dynamics Jun. 8, 2010
7734044 Method and apparatus for synchronous stream cipher encryption with reserved codes Jun. 8, 2010
7734042 System and method for using a streaming protocol Jun. 8, 2010
7734041 System and method for de-scrambling and bit-order-reversing payload bytes in an Asynchronous Transfer Mode cell Jun. 8, 2010
7730319 Provisional signature schemes Jun. 1, 2010
7730315 Cryptosystem based on a Jacobian of a curve Jun. 1, 2010
7730305 Authentication method for link protection in Ethernet passive optical network Jun. 1, 2010
7730298 Method and apparatus for translating information between computers having different security management Jun. 1, 2010
7730106 Compression of encrypted data in database management systems Jun. 1, 2010
7729494 Squared Weil and Tate pairing techniques for use with elliptic curves Jun. 1, 2010
7725736 Message digest instruction May. 25, 2010
7725724 Digital signature method based on braid groups conjugacy and verify method thereof May. 25, 2010
7725715 System and method for three-phase data encryption May. 25, 2010
7724898 Cryptography using finite fields of odd characteristic on binary hardware May. 25, 2010
7724897 Program converter, encrypting device, and encrypting method May. 25, 2010
7724896 Method for transmitting messages between an emitter and at least on receiver and system for implementing said method May. 25, 2010
7720228 Modulator autocalibration methods for quantum key distribution May. 18, 2010
7720219 Apparatus and method for implementing a hash algorithm word buffer May. 18, 2010
7716720 System for providing secure and trusted computing environments May. 11, 2010
7716487 License-based cryptographic technique, particularly suited for use in a digital rights management system, for controlling access and use of bore resistant software objects in a client computer May. 11, 2010
7715552 Data authentication with a secure environment May. 11, 2010
7707431 Device of applying protection bit codes to encrypt a program for protection Apr. 27, 2010
7706528 Prime calculating apparatus, key issuing system, and prime calculation method Apr. 27, 2010
7702898 Method for authenticating and verifying SMS communications Apr. 20, 2010

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