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Class Information
Number: 380/262
Name: Cryptography > Communication system using cryptography > Symmetric key cryptography > Symmetric key synchronization > Transmitting a seed, sequence, or initial value
Description: Subject matter wherein the synchronizing signal is a value indicating a starting point for key generation

Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8687809 System and method for decryption of content including disconnected encryption chains Apr. 1, 2014
8681986 Single-round password-based key exchange protocols Mar. 25, 2014
8677136 Authenticating messages using cryptographic algorithm constants supplied to a storage-constrained target Mar. 18, 2014
8667282 Information processing device, computer program, and information processing system Mar. 4, 2014
8660268 Keyed pseudo-random number generator Feb. 25, 2014
8660265 Cipher implementation Feb. 25, 2014
8654976 Apparatus and method for a random wave envelope for generating a sequence of encryption keys for communication security in mobile wireless devices part III Feb. 18, 2014
8645499 Image processing system, image processing apparatus, image processing method and recording medium Feb. 4, 2014
8645694 Method of authentication based on polyomials Feb. 4, 2014
8630417 Method for recording and restoring a ciphered content by a processing unit Jan. 14, 2014
8630420 Method for auto-configuration of a network terminal address Jan. 14, 2014
8625787 Hierarchical key management for secure communications in multimedia communication system Jan. 7, 2014
8621540 Apparatus and methods for provisioning in a download-enabled system Dec. 31, 2013
8619980 Information generation apparatus, method, program, and recording medium for deriving a decryption key from another decryption key Dec. 31, 2013
8612759 Communication system for communicating data utilizing challenge data Dec. 17, 2013
8607343 Ticket-based personalization Dec. 10, 2013
8600050 Encrypting a data transmission using multiple channels Dec. 3, 2013
8590027 Secure authentication in browser redirection authentication schemes Nov. 19, 2013
8588410 Simplified secure symmetrical key management Nov. 19, 2013
8582768 Recovery from decryption errors in a sequence of communication packets Nov. 12, 2013
8577037 Pipelined packet encapsulation and decapsulation for temporal key integrity protocol employing arcfour algorithm Nov. 5, 2013
8571220 Method and apparatus for securing data in a memory device Oct. 29, 2013
8571221 On-chip storage, creation, and manipulation of an encryption key Oct. 29, 2013
8571995 Purchase transaction system with encrypted payment card data Oct. 29, 2013
8566245 Generating and using network data to provide a content customization service Oct. 22, 2013
8566916 Agile OTP generation Oct. 22, 2013
8560454 Systems and methods for providing users with customized renewal policies Oct. 15, 2013
8560381 System and method for elections and government accountability Oct. 15, 2013
8548171 Pair-wise keying for tunneled virtual private networks Oct. 1, 2013
8549310 Method and apparatus for secure measurement certification Oct. 1, 2013
8543837 Method of randomly and dynamically checking configuration integrity of a gaming system Sep. 24, 2013
8538890 Encrypting a unique cryptographic entity Sep. 17, 2013
8538888 Method for generating a secure copy of media data Sep. 17, 2013
8538014 Fast computation of one-way hash sequences Sep. 17, 2013
8527755 Methods and systems for effecting transmitter and receiver synchronization between a transmitter and a receiver of a transmitter/receiver network Sep. 3, 2013
8515066 Method, apparatus and program for establishing encrypted communication channel between apparatuses Aug. 20, 2013
8509439 Assigning nonces for security keys Aug. 13, 2013
8509440 PANA for roaming Wi-Fi access in fixed network architectures Aug. 13, 2013
8503679 Short message encryption Aug. 6, 2013
8498893 Systems and methods for providing distributed recursive voting Jul. 30, 2013
8499157 Device-based password management Jul. 30, 2013
8484268 Random wave envelope derived random numbers and their use in generating transient keys in communication security applications part II Jul. 9, 2013
8477948 Method and apparatus for forming security channel in short range communication Jul. 2, 2013
8478998 Authenticated communication using a shared unpredictable secret Jul. 2, 2013
8467532 System and method for secure transaction of data between a wireless communication device and a server Jun. 18, 2013
8458801 High-assurance secure boot content protection Jun. 4, 2013
8442226 Decryption key management May. 14, 2013
8443194 Method of authentication and session key agreement for secure data transmission, a method for securely transmitting data, and an electronic data transmission system May. 14, 2013
8437739 Method and apparatus for generating a cryptosync May. 7, 2013
8428261 System and method for establishing authenticated wireless connection between mobile unit and host Apr. 23, 2013

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