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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:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
8516258 Generator for generating a message authentication code, method of generating a message authentication code, program element and computer-readable medium Aug. 20, 2013
8516269 Hardware device to physical structure binding and authentication Aug. 20, 2013
8509425 Image processing system, program and method Aug. 13, 2013
8509428 High-speed pipelined ARIA encryption apparatus Aug. 13, 2013
8503677 Communication system and device Aug. 6, 2013
8503671 Method and apparatus for using counter-mode encryption to protect image data in frame buffer of a video compression system Aug. 6, 2013
8503670 Parallelizable integrity-aware encryption technique Aug. 6, 2013
8494155 Method and apparatus of high speed encryption and decryption Jul. 23, 2013
8488781 Method for implementing symmetric key encryption algorithm against power analysis attacks Jul. 16, 2013
8484485 Encryption device and encryption system Jul. 9, 2013
8458474 Method of authenticating an entity by a verification entity Jun. 4, 2013
8457306 Cryptographic module and IC card Jun. 4, 2013
8452006 Cryptographic processing using a processor May. 28, 2013
8453238 Protection of a ciphering key May. 28, 2013
8442070 Fractional threshold encoding and aggregation May. 14, 2013
8442216 Fault detection in exponentiation and point multiplication operations using a montgomery ladder May. 14, 2013
8442218 Method and apparatus for compound hashing via iteration May. 14, 2013
8442226 Decryption key management May. 14, 2013
8437470 Method and system for block cipher encryption May. 7, 2013
8428251 System and method for stream/block cipher with internal random states Apr. 23, 2013
8422667 Method and apparatus to facilitate transmission of an encrypted rolling code Apr. 16, 2013
8422668 Table lookup operation on masked data Apr. 16, 2013
8422669 Method and apparatus for elliptic curve cryptographic processing Apr. 16, 2013
8417967 Storage device data encryption using a binary large object (BLOB) Apr. 9, 2013
8411854 Method and apparatus for authenticating a user Apr. 2, 2013
8411853 Alternate galois field advanced encryption standard round Apr. 2, 2013
8401180 Non-linear data converter, encoder and decoder Mar. 19, 2013
8401181 Segment deduplication system with encryption of segments Mar. 19, 2013
8396210 Cryptographic processing apparatus and cryptographic processing method, and computer program Mar. 12, 2013
8386765 Method for the encrypted transmission of synchronization messages Feb. 26, 2013
8379841 Method and system for high throughput blockwise independent encryption/decryption Feb. 19, 2013
8379843 Data converter, data conversion method, and computer program Feb. 19, 2013
8374343 DES hardware throughput for short operations Feb. 12, 2013
8369514 Method for the secure determination of data Feb. 5, 2013
8370642 Cryptographic processing apparatus Feb. 5, 2013
8363828 Diffusion and cryptographic-related operations Jan. 29, 2013
8363835 Method for transmission/reception of contents usage right information in encrypted form, and device thereof Jan. 29, 2013
8358778 Computationally asymmetric cryptographic systems Jan. 22, 2013
8356169 Encryption communication system, apparatus and method for allowing direct encryption communication with a plurality of nodes Jan. 15, 2013
8351599 Cryptographic device for fast session switching Jan. 8, 2013
8345877 Key management system Jan. 1, 2013
8340282 Information processing apparatus Dec. 25, 2012
8341753 Managing pre-release of a game application over a network Dec. 25, 2012
8335313 Encryption device, encryption method and storage medium storing its program Dec. 18, 2012
8331559 Diffused data encryption/decryption processing method Dec. 11, 2012
8321662 Certificate renewal using secure handshake Nov. 27, 2012
8315381 Methods and apparatus performing hash operations in a cryptography accelerator Nov. 20, 2012
8311214 Method for elliptic curve public key cryptographic validation Nov. 13, 2012
8311211 Providing CPU smoothing of cryptographic function timings Nov. 13, 2012
8306217 Cryptographic processing apparatus and cryptographic processing method, and computer program Nov. 6, 2012

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