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Class Information
Number: 380/263
Name: Cryptography > Communication system using cryptography > Symmetric key cryptography > Symmetric key synchronization > Nonlinear or chaotic system
Description: Subject matter wherein the key synchronization is used in a nondeterministic process.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7615735 |
Random number generation using a scattering waveguide |
Nov. 10, 2009 |
| 7602916 |
Access-protected data carrier |
Oct. 13, 2009 |
| 7593531 |
Methods and systems for transceiving chaotic signals |
Sep. 22, 2009 |
| 7587047 |
Chaos generator for accumulation of stream entropy |
Sep. 8, 2009 |
| 7587049 |
Active stabilization of a one-way QKD system |
Sep. 8, 2009 |
| 7570767 |
Decoupling error correction from privacy amplification in quantum key distribution |
Aug. 4, 2009 |
| 7522727 |
Method and apparatus for providing authentication in a communication system |
Apr. 21, 2009 |
| 7512239 |
Protection key for hardware and information management system |
Mar. 31, 2009 |
| 7496203 |
Quantum-key distribution method between a plurality of users or groups |
Feb. 24, 2009 |
| 7492900 |
Quantum communication system |
Feb. 17, 2009 |
| 7492901 |
Single-photon generator and single-photon generating method |
Feb. 17, 2009 |
| 7486794 |
Data-processing arrangement comprising confidential data |
Feb. 3, 2009 |
| 7447386 |
Cascaded modulator system and method for QKD |
Nov. 4, 2008 |
| 7440570 |
Method and apparatus for remote digital key generation |
Oct. 21, 2008 |
| 7424116 |
Method and apparatus for providing authentication in a communication system |
Sep. 9, 2008 |
| 7418099 |
Method and apparatus for performing elliptic curve arithmetic |
Aug. 26, 2008 |
| 7386130 |
Encryption secured against DPA |
Jun. 10, 2008 |
| 7379546 |
Method for XZ-elliptic curve cryptography |
May. 27, 2008 |
| 7366299 |
Method for encrypting and decrypting data using derivative equations and factors |
Apr. 29, 2008 |
| 7359512 |
Authentication in a quantum cryptographic system |
Apr. 15, 2008 |
| 7349542 |
Systems, methods and computer program products for encryption and decryption using wavelet transforms |
Mar. 25, 2008 |
| 7346166 |
Quantum key distribution system and method using regulated single-photon source |
Mar. 18, 2008 |
| 7334131 |
Protected storage of a datum in an integrated circuit |
Feb. 19, 2008 |
| 7330550 |
Cryptographic system and method that uses excitation spectroscopy |
Feb. 12, 2008 |
| 7295671 |
Advanced encryption standard (AES) hardware cryptographic engine |
Nov. 13, 2007 |
| 7292693 |
Deterministically generating block substitution tables which meet a given standard of nonlinearity |
Nov. 6, 2007 |
| 7286670 |
Method and apparatus for chaotic opportunistic lossless compression of data |
Oct. 23, 2007 |
| 7284122 |
Cryptographic method for protection against fraud |
Oct. 16, 2007 |
| 7269258 |
Cryptographic key, encryption device, encryption/decryption device, cryptographic key management device, and decryption device |
Sep. 11, 2007 |
| 7266200 |
Method and apparatus for encryption of data |
Sep. 4, 2007 |
| 7251325 |
Public key cryptosystem using finite non abelian groups |
Jul. 31, 2007 |
| 7248696 |
Dynamic system bus encryption using improved differential transitional encoding |
Jul. 24, 2007 |
| 7245723 |
Chaotic communication system and method using modulation of nonreactive circuit elements |
Jul. 17, 2007 |
| 7242775 |
Optical pulse calibration for quantum key distribution |
Jul. 10, 2007 |
| 7236594 |
Random generator description |
Jun. 26, 2007 |
| 7236597 |
Key transport in quantum cryptographic networks |
Jun. 26, 2007 |
| 7215772 |
Method and apparatus for remote digital key generation |
May. 8, 2007 |
| 7215776 |
Method and apparatus for the compression and decompression of audio files using a chaotic system |
May. 8, 2007 |
| 7191340 |
Generation of a secret quantity based on an identifier of an integrated circuit |
Mar. 13, 2007 |
| 7178277 |
Quantum cryptography communication system and quantum cryptography key distributing method used in the same |
Feb. 20, 2007 |
| 7174019 |
Cipher generating device, cipher decoding device, cipher generating program, cipher decoding program, authentication system and electronic device |
Feb. 6, 2007 |
| 7170997 |
Method of generating pseudo-random numbers in an electronic device, and a method of encrypting and decrypting electronic data |
Jan. 30, 2007 |
| 7133522 |
Method and apparatus for encryption of data |
Nov. 7, 2006 |
| 7113598 |
Methods and systems for high-data-rate quantum cryptography |
Sep. 26, 2006 |
| 7110547 |
Method and apparatus for the compression and decompression of image files using a chaotic system |
Sep. 19, 2006 |
| 7106864 |
Chaos-based data protection using time-discrete dynamical systems |
Sep. 12, 2006 |
| 7076065 |
Chaotic privacy system and method |
Jul. 11, 2006 |
| 7072469 |
Devices for emitting or receiving signals encrypted by deterministic chaos, and a transmission system, in particular a radio transmission system, including such devices |
Jul. 4, 2006 |
| 7054446 |
Chaos cryptographic communication method and chaos cryptographic communication system |
May. 30, 2006 |
| 7050581 |
Method for making secure one or several computer installations using a common secret key algorithm, use of the method and a computer system utilizing the method |
May. 23, 2006 |
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