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Class Information
Number: 713/174
Name: Electrical computers and digital processing systems: support > Multiple computer communication using cryptography > Particular communication authentication technique > Intelligent token > Including particular multiplication or exponentiation circuit
Description: Subject matter including a circuit performing the arithmetic operation of multiplying two numbers together or raising a number to a particular power.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7409558 |
Low-latency data decryption interface |
Aug. 5, 2008 |
| 7386122 |
Method for proving the authenticity or integrity of a message by means of a public exponent equal to the power of two |
Jun. 10, 2008 |
| 7313701 |
Robust efficient distributed RSA-key generation |
Dec. 25, 2007 |
| 7266197 |
Method, system, device for proving the authenticity of an entity and/or the integrity and/or the authenticity of a message using specific prime factors |
Sep. 4, 2007 |
| 7240204 |
Scalable and unified multiplication methods and apparatus |
Jul. 3, 2007 |
| 7236593 |
Apparatus for encryption and decryption, capable of use in encryption and decryption of advanced encryption standard |
Jun. 26, 2007 |
| 7191333 |
Method and apparatus for calculating a multiplicative inverse of an element of a prime field |
Mar. 13, 2007 |
| 7181602 |
Method for exchanging at least one secret initial value between a processing station and a chip card |
Feb. 20, 2007 |
| 7174016 |
Modular exponentiation algorithm in an electronic component using a public key encryption algorithm |
Feb. 6, 2007 |
| 7167559 |
Information security device, exponentiation device, modular exponentiation device, and elliptic curve exponentiation device |
Jan. 23, 2007 |
| 7123717 |
Countermeasure method in an electronic component which uses an RSA-type public key cryptographic algorithm |
Oct. 17, 2006 |
| 7113593 |
Recursive cryptoaccelerator and recursive VHDL design of logic circuits |
Sep. 26, 2006 |
| 7111166 |
Extending the range of computational fields of integers |
Sep. 19, 2006 |
| 7080262 |
Key compression |
Jul. 18, 2006 |
| 7073069 |
Apparatus and method for a programmable security processor |
Jul. 4, 2006 |
| 7055033 |
Integrated circuit devices with steganographic authentication and steganographic authentication methods |
May. 30, 2006 |
| 7027598 |
Residue number system based pre-computation and dual-pass arithmetic modular operation approach to implement encryption protocols efficiently in electronic integrated circuits |
Apr. 11, 2006 |
| 7027597 |
Pre-computation and dual-pass modular arithmetic operation approach to implement encryption protocols efficiently in electronic integrated circuits |
Apr. 11, 2006 |
| 7000111 |
Method for masking secret multiplicands |
Feb. 14, 2006 |
| 6996722 |
Data communications |
Feb. 7, 2006 |
| 6993136 |
Cryptographic key exchange method using efficient elliptic curve |
Jan. 31, 2006 |
| 6988197 |
Synchronization of authentication ciphering offset |
Jan. 17, 2006 |
| 6954855 |
Integrated circuit devices with steganographic authentication, and steganographic authentication methods |
Oct. 11, 2005 |
| 6931127 |
Encryption device using data encryption standard algorithm |
Aug. 16, 2005 |
| 6925563 |
Multiplication of modular numbers |
Aug. 2, 2005 |
| 6920562 |
Tightly coupled software protocol decode with hardware data encryption |
Jul. 19, 2005 |
| 6907526 |
IC card and microprocessor |
Jun. 14, 2005 |
| 6898284 |
Cryptographic identification and digital signature method using efficient elliptic curve |
May. 24, 2005 |
| 6857075 |
Key conversion system and method |
Feb. 15, 2005 |
| 6779112 |
Integrated circuit devices with steganographic authentication, and steganographic authentication methods |
Aug. 17, 2004 |
| 6687376 |
High-speed long code generation with arbitrary delay |
Feb. 3, 2004 |
| 6678733 |
Method and system for authorizing and authenticating users |
Jan. 13, 2004 |
| 6466668 |
IC card equipped with elliptical curve encryption processing facility |
Oct. 15, 2002 |
| 6408075 |
Information processing equipment and IC card |
Jun. 18, 2002 |
| 6404890 |
Generating RSA moduli including a predetermined portion |
Jun. 11, 2002 |
| 6381699 |
Leak-resistant cryptographic method and apparatus |
Apr. 30, 2002 |
| 6356636 |
Circuit and method for fast modular multiplication |
Mar. 12, 2002 |
| 6304660 |
Apparatuses for processing security documents |
Oct. 16, 2001 |
| 6263081 |
Elliptic curve calculation apparatus capable of calculating multiples at high speed |
Jul. 17, 2001 |
| 6144740 |
Method for designing public key cryptosystems against fault-based attacks with an implementation |
Nov. 7, 2000 |
| 6115472 |
Contents transmission control method with user authentication functions and recording medium with the method recorded thereon |
Sep. 5, 2000 |
| 6104809 |
Apparatus for verifying an identification card |
Aug. 15, 2000 |
| 6105013 |
Method, apparatus, system and firmware for secure transactions |
Aug. 15, 2000 |
| 6028939 |
Data security system and method |
Feb. 22, 2000 |
| 5991415 |
Method and apparatus for protecting public key schemes from timing and fault attacks |
Nov. 23, 1999 |
| 5987138 |
Identification and/or signature process |
Nov. 16, 1999 |
| 5982895 |
Finite field inverse circuit for use in an elliptic curve processor |
Nov. 9, 1999 |
| 5848159 |
Public key cryptographic apparatus and method |
Dec. 8, 1998 |
| 5761310 |
Communication system for messages enciphered according to an RSA-type procedure |
Jun. 2, 1998 |
| 5748740 |
Method, apparatus, system and firmware for secure transactions |
May. 5, 1998 |
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