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Class Information
Number: 380/46
Name: Cryptography > Key management > Having particular key generator > Nonlinear (e.g., pseudorandom)
Description: Subject matter wherein the key signal does not vary in a constant or predictable manner.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8712040 Data-conditioned encryption method Apr. 29, 2014
8713329 Authenticated secret sharing Apr. 29, 2014
8712057 Apparatus and method for an iterative cryptographic block Apr. 29, 2014
8693682 Data encryption Apr. 8, 2014
8693688 Adaptive packet ciphering Apr. 8, 2014
8687802 Method and system for accelerating the deterministic enciphering of data in a small domain Apr. 1, 2014
8687806 Conditional access system employing constrained encryption keys Apr. 1, 2014
8689003 System and method for secure password-based authentication Apr. 1, 2014
8683225 Microprocessor that facilitates task switching between encrypted and unencrypted programs Mar. 25, 2014
8683070 Stream identifier hash table Mar. 25, 2014
8681976 System and method for device dependent and rate limited key generation Mar. 25, 2014
8671285 Microprocessor that fetches and decrypts encrypted instructions in same time as plain text instructions Mar. 11, 2014
8671277 Method for secure communication over heterogeneous networks Mar. 11, 2014
8670564 Data encryption system and method Mar. 11, 2014
8670557 Cryptographic system with modular randomization of exponentiation Mar. 11, 2014
8660268 Keyed pseudo-random number generator 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
8654972 Keystream encryption device, method, and program Feb. 18, 2014
8653938 Method of protection in a contactless radiofrequency communication Feb. 18, 2014
8656179 Using hidden secrets and token devices to create secure volumes Feb. 18, 2014
8645714 Branch target address cache for predicting instruction decryption keys in a microprocessor that fetches and decrypts encrypted instructions Feb. 4, 2014
8638930 Random number verification method and random number verification apparatus Jan. 28, 2014
8639947 Structure preserving database encryption method and system Jan. 28, 2014
8630416 Wireless device and method for rekeying with reduced packet loss for high-throughput wireless communications Jan. 14, 2014
8625839 Embedder for embedding a watermark into an information representation, detector for detecting a watermark in an information representation, method and computer program and information signal Jan. 7, 2014
8619981 Systems and methods for producing pseudo-random number distributions in devices having limited processing and storage capabilities Dec. 31, 2013
8618839 Utilizing a sense amplifier to select a suitable circuit Dec. 31, 2013
8621239 Method for strengthening the implementation of ECDSA against power analysis Dec. 31, 2013
8610454 System and methods for generating unclonable security keys in integrated circuits Dec. 17, 2013
8605899 Method for providing cryptographical key pairs Dec. 10, 2013
8605898 Apparatus and method that generates originality verification and verifies originality verification Dec. 10, 2013
8601281 Method for operating a sensor apparatus and sensor apparatus Dec. 3, 2013
8600053 Message key generation Dec. 3, 2013
8600046 Method of coding a secret formed by a numerical value Dec. 3, 2013
8594332 Key generating apparatus, encrypting apparatus and decrypting appatatus Nov. 26, 2013
8594326 Method of generating arbitrary numbers given a seed Nov. 26, 2013
8589688 Message authentication device, message authentication method, message authentication program and storage medium therefor Nov. 19, 2013
8588416 System and method for secure communication Nov. 19, 2013
8588413 Enabling seamless access to a Wi-Fi network Nov. 19, 2013
8588412 Mechanism for generating pseudorandom number sequences Nov. 19, 2013
8590010 Retention based intrinsic fingerprint identification featuring a fuzzy algorithm and a dynamic key Nov. 19, 2013
RE44594 Method and circuit for data encryption/decryption Nov. 12, 2013
8581618 Apparatus for controlling the usability of intellectual property within a programmable device and method of using Nov. 12, 2013
8577032 Common key block encryption device, common key block encryption method, and program Nov. 5, 2013
8577031 Arrangement comprising an integrated circuit Nov. 5, 2013
8577039 Cryptographic communication apparatus and cryptographic communication system Nov. 5, 2013
8572380 Streaming system and streaming method Oct. 29, 2013
8571210 Content protection apparatus and method using binding of additional information to encryption key Oct. 29, 2013
8571219 Authentication loading control and information recapture in a UMTS network Oct. 29, 2013
8566610 Methods and apparatus for restoration of an anti-theft platform Oct. 22, 2013

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