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Class Information
Number: 380/42
Name: Cryptography > Communication system using cryptography > Data stream/substitution enciphering
Description: Subject matter which encrypts a message signal composed of a stream of data elements serially and continuously to produce a stream of the corresponding encrypted data elements.

Sub-classes under this class:

Class Number Class Name Patents
380/43 Key sequence signal combined with data signal 403

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

Patent Number Title Of Patent Date Issued
8712057 Apparatus and method for an iterative cryptographic block Apr. 29, 2014
8711751 Methods and apparatus for dynamic identification (ID) assignment in wireless networks Apr. 29, 2014
8707053 Performing boolean logic operations using arithmetic operations by code obfuscation Apr. 22, 2014
8693682 Data encryption Apr. 8, 2014
8687803 Operational mode for block ciphers Apr. 1, 2014
8688985 Data security method and apparatus using a characteristic preserving encryption Apr. 1, 2014
8681975 Encryption method and apparatus using composition of ciphers Mar. 25, 2014
8681983 Method for public-key attribute-based encryption with respect to a conjunctive logical expression Mar. 25, 2014
8666068 Method for scrambling shaped data Mar. 4, 2014
8649521 Obfuscation of sequenced encoded data slices Feb. 11, 2014
8634552 System and method for using a streaming protocol Jan. 21, 2014
8635352 System and method for symmetric receive-side scaling (RSS) Jan. 21, 2014
8619985 Table splitting for cryptographic processes Dec. 31, 2013
8611530 Encryption via induced unweighted errors Dec. 17, 2013
8605896 Device and method for processing datastreams Dec. 10, 2013
8600048 Format-translating encryption systems Dec. 3, 2013
8577031 Arrangement comprising an integrated circuit Nov. 5, 2013
8571208 Method and apparatus for performing trick play on scrambled data stream Oct. 29, 2013
8565421 Block cipher improvements Oct. 22, 2013
8553880 Pseudorandom number generating system, encryption system, and decryption system Oct. 8, 2013
8542823 Partial file encryption Sep. 24, 2013
8528060 Method and system for password protocols in the bounded retrieval mode with security dictionary attacks and intrusions Sep. 3, 2013
8520844 Methods and apparatus for providing secure two-party public key cryptosystem Aug. 27, 2013
8509435 Method and system for a transport single key change point for all package identifier channels Aug. 13, 2013
8498412 Method of providing an encrypted data stream Jul. 30, 2013
8490154 Method and system for authentication by defining a demanded level of security Jul. 16, 2013
8478985 Determining whether to encrypt outbound traffic Jul. 2, 2013
8472623 Content data, transmitting apparatus, receiving apparatus and decoding method Jun. 25, 2013
8462941 Encrypted stream processing circuit and method of processing encrypted stream Jun. 11, 2013
8462942 Method and system for securing packetized voice transmissions Jun. 11, 2013
8462943 Bandwidth efficient method and system for obscuring the existence of encryption in a communications channel Jun. 11, 2013
8442226 Decryption key management May. 14, 2013
8442489 System and method for configuring devices for secure operations May. 14, 2013
8437472 Strengthened key schedule for arcfour May. 7, 2013
8433456 System and method for controlling power windows of a vehicle Apr. 30, 2013
8411852 Diffusion oriented method and apparatus for stream cryptography Apr. 2, 2013
8406425 Method and apparatus for minimizing co-channel interference Mar. 26, 2013
8401181 Segment deduplication system with encryption of segments Mar. 19, 2013
8396212 Method and apparatus for generating a key stream Mar. 12, 2013
8391485 Stealth message transmission in a network Mar. 5, 2013
8385540 Block cipher algorithm based encryption processing method Feb. 26, 2013
8380986 Method for analyzing simultaneously transmitted, encoded data streams Feb. 19, 2013
8379845 Multilayer encryption of a transport stream data and modification of a transport header Feb. 19, 2013
8374344 Coding Feb. 12, 2013
8363831 Method and apparatus for allowing software access to navigational data in a decrypted media stream while protecting stream payloads Jan. 29, 2013
8363830 Cryptographic system configured to perform a mixed radix conversion with a priori defined statistical artifacts Jan. 29, 2013
8355499 Parallel encryption/decryption Jan. 15, 2013
8351605 Stealth message transmission in a network Jan. 8, 2013
8347113 System and method for encrypting an electronic file in a mobile electronic device Jan. 1, 2013
8345993 Electronic coding system for security of identification Jan. 1, 2013

1 2 3 4 5 6 7 8 9

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