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Class Information
Number: 380/29
Name: Cryptography > Particular algorithmic function encoding > Nbs/des algorithm
Description: Subject matter which encrypts a digital signal by a sequence including an initial 64-bit permutation, a 56-bit encryption-key dependent substitution block computation, and an inversion of the initial permutation.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8713329 Authenticated secret sharing Apr. 29, 2014
8707224 Method of optimizing combinational circuits Apr. 22, 2014
8693681 Kasumi cipher executable instructions and circuitry Apr. 8, 2014
8687802 Method and system for accelerating the deterministic enciphering of data in a small domain Apr. 1, 2014
8689087 Method and entity for probabilistic symmetrical encryption Apr. 1, 2014
8681972 Method of executing a cryptographic calculation Mar. 25, 2014
8675866 Multiplicative splits to protect cipher keys Mar. 18, 2014
8675868 Encrypting an address-dependent value along with code to prevent execution or use of moved code Mar. 18, 2014
8670557 Cryptographic system with modular randomization of exponentiation Mar. 11, 2014
8667580 Secure boot scheme from external memory using internal memory Mar. 4, 2014
8666068 Method for scrambling shaped data Mar. 4, 2014
8666064 Endecryptor capable of performing parallel processing and encryption/decryption method thereof Mar. 4, 2014
8660261 System and apparatus for integrated video/image encoding/decoding and encryption/decryption Feb. 25, 2014
8654970 Apparatus and method for implementing instruction support for the data encryption standard (DES) algorithm Feb. 18, 2014
8656175 Secure processing device, secure processing method, encrypted confidential information embedding method, program, storage medium, and integrated circuit Feb. 18, 2014
8649508 System and method for implementing elliptic curve scalar multiplication in cryptography Feb. 11, 2014
8644516 Universal secure messaging for cryptographic modules Feb. 4, 2014
8645713 Encrypting method, recording medium of encrypting program, decrypting method, and recording medium of decrypting program Feb. 4, 2014
8634556 Communication apparatus and control method Jan. 21, 2014
8634551 Cryptographic apparatus and method Jan. 21, 2014
8634550 Architecture and instruction set for implementing advanced encryption standard (AES) Jan. 21, 2014
8634549 Ciphertext key chaining Jan. 21, 2014
8625780 Reduction of side-channel information by interacting crypto blocks Jan. 7, 2014
8625791 Methods and apparatuses for selective data encryption Jan. 7, 2014
8619972 Method and system for atomicity for elliptic curve cryptosystems Dec. 31, 2013
8619985 Table splitting for cryptographic processes Dec. 31, 2013
8615078 Method and apparatus for processing F-function in seed encryption system Dec. 24, 2013
8615652 System and method for providing load balanced secure media content and data delivery in a distributed computing environment Dec. 24, 2013
8612761 Method of executing a cryptographic protocol between two electronic entities Dec. 17, 2013
8605893 Encryption and decryption processing method, system and computer-accessible medium for achieving SMS4 cryptographic procedure Dec. 10, 2013
8605894 Cryptographic process execution protecting an input value against attacks Dec. 10, 2013
8600049 Method and apparatus for optimizing advanced encryption standard (AES) encryption and decryption in parallel modes of operation Dec. 3, 2013
8594321 Apparatus and method for operating a symmetric cipher engine in cipher-block chaining mode Nov. 26, 2013
8589700 Data whitening for writing and reading data to and from a non-volatile memory Nov. 19, 2013
RE44594 Method and circuit for data encryption/decryption Nov. 12, 2013
8582765 Masking of data in a calculation Nov. 12, 2013
8582757 Protection of a ciphering algorithm Nov. 12, 2013
8582756 Reduction of side-channel information by interacting crypto blocks Nov. 12, 2013
8583944 Method and integrated circuit for secure encryption and decryption Nov. 12, 2013
8577032 Common key block encryption device, common key block encryption method, and program Nov. 5, 2013
8571210 Content protection apparatus and method using binding of additional information to encryption key Oct. 29, 2013
8566610 Methods and apparatus for restoration of an anti-theft platform Oct. 22, 2013
8565421 Block cipher improvements Oct. 22, 2013
8553878 Data transformation system using cyclic groups Oct. 8, 2013
8553887 Method for generating dynamic group key Oct. 8, 2013
8548164 Method and device for the encryption and decryption of data Oct. 1, 2013
8543837 Method of randomly and dynamically checking configuration integrity of a gaming system Sep. 24, 2013
8538012 Performing AES encryption or decryption in multiple modes with a single instruction Sep. 17, 2013
8532288 Selectively isolating processor elements into subsets of processor elements Sep. 10, 2013
8528060 Method and system for password protocols in the bounded retrieval mode with security dictionary attacks and intrusions Sep. 3, 2013

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