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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:
1 2 3 4

Patent Number Title Of Patent Date Issued
8712036 System for encrypting and decrypting a plaintext message with authentication Apr. 29, 2014
8712052 System and method for secure power systems infrastructure communications Apr. 29, 2014
8687810 Chaotic cipher system and method for secure communication Apr. 1, 2014
8681972 Method of executing a cryptographic calculation Mar. 25, 2014
8660269 Method and system for securing data utilizing redundant secure key storage Feb. 25, 2014
8660268 Keyed pseudo-random number generator Feb. 25, 2014
8639949 Device with a secure virtual machine Jan. 28, 2014
8619985 Table splitting for cryptographic processes Dec. 31, 2013
8611533 Method and system for the Orange family of stream ciphers and method and system for generating stream ciphers based on the ERINDALE-PLUS hashing function Dec. 17, 2013
8588410 Simplified secure symmetrical key management Nov. 19, 2013
8553877 Substitution table masking for cryptographic processes Oct. 8, 2013
8548171 Pair-wise keying for tunneled virtual private networks Oct. 1, 2013
8515057 Method and device for executing crytographic calculation Aug. 20, 2013
8509440 PANA for roaming Wi-Fi access in fixed network architectures Aug. 13, 2013
8509427 Hybrid mode cryptographic method and system with message authentication Aug. 13, 2013
8488231 Generator of polarization entangled photon pairs and method of generating the same Jul. 16, 2013
8483394 Secure multi-party communication with quantum key distribution managed by trusted authority Jul. 9, 2013
8477939 Polarization-insensitive one-way quantum key distribution receiver, transmitter/receiver system Jul. 2, 2013
8477947 Optical phase modulation method and apparatus for quantum key distribution Jul. 2, 2013
8472623 Content data, transmitting apparatus, receiving apparatus and decoding method Jun. 25, 2013
8446250 Method and device for providing digital security May. 21, 2013
8401180 Non-linear data converter, encoder and decoder Mar. 19, 2013
8392711 Staged establishment of secure strings of symbols Mar. 5, 2013
8391486 Secure key distribution using sequential weak values Mar. 5, 2013
8385547 Method and apparatus for secure digital communications using chaotic signals Feb. 26, 2013
8385548 System and method for entangled photons generation and measurement Feb. 26, 2013
8341753 Managing pre-release of a game application over a network Dec. 25, 2012
8340294 Secure modulation and demodulation Dec. 25, 2012
8340295 High-speed cryptographic system using chaotic sequences Dec. 25, 2012
8331559 Diffused data encryption/decryption processing method Dec. 11, 2012
8306227 Data encryption system and method Nov. 6, 2012
8290145 Transition between masked representations of a value during cryptographic calculations Oct. 16, 2012
8265120 Parallel sequence spread spectrum type chaotic signal transmission device Sep. 11, 2012
8265280 System and method of entangled photons generation Sep. 11, 2012
8254571 Cryptographic system with halting key derivation function capabilities Aug. 28, 2012
8254576 System and method for limiting access to data Aug. 28, 2012
8243930 Counterfeit prevention system based on random processes and cryptography Aug. 14, 2012
8238556 Quantum communication system Aug. 7, 2012
8229119 Secure modulation and demodulation Jul. 24, 2012
8208633 Method and system for securing communications in a metering device Jun. 26, 2012
8199914 Detection of a change of the data of a dataset Jun. 12, 2012
8189779 Quantum program concealing device and quantum program concealing method May. 29, 2012
8189772 Method and apparatus for performing elliptic curve arithmetic May. 29, 2012
8180055 Cryptographic system incorporating a digitally generated chaotic numerical sequence May. 15, 2012
8180056 Methods and systems for communicating over a quantum channel May. 15, 2012
8180057 Chaotic signal enabled low probability intercept communication May. 15, 2012
8175274 Range measurement apparatus and method using chaotic UWB wireless communication May. 8, 2012
8175273 Quantum cryptography communication method, quantum cryptography communication apparatus, and quantum cryptography communication system May. 8, 2012
8144872 System and method for generating analog-digital mixed chaotic signal, encryption communication method thereof Mar. 27, 2012
8116352 Method for direct chaotic communications with predetermined spectral mask Feb. 14, 2012

1 2 3 4

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