DE60301750D1 - Vorrichtung zur Erzeugung eines erweiterten Schlüssels, Verschlüsselungsvorrichtung und Verschlüsselungssystem - Google Patents

Vorrichtung zur Erzeugung eines erweiterten Schlüssels, Verschlüsselungsvorrichtung und Verschlüsselungssystem

Info

Publication number
DE60301750D1
DE60301750D1 DE60301750T DE60301750T DE60301750D1 DE 60301750 D1 DE60301750 D1 DE 60301750D1 DE 60301750 T DE60301750 T DE 60301750T DE 60301750 T DE60301750 T DE 60301750T DE 60301750 D1 DE60301750 D1 DE 60301750D1
Authority
DE
Germany
Prior art keywords
encryption
generating
extended key
encryption system
key
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60301750T
Other languages
English (en)
Other versions
DE60301750T2 (de
Inventor
Kaoru Yokota
Motoji Ohmori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE60301750D1 publication Critical patent/DE60301750D1/de
Publication of DE60301750T2 publication Critical patent/DE60301750T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/24—Key scheduling, i.e. generating round keys or sub-keys for block encryption
DE60301750T 2002-04-03 2003-03-20 Vorrichtung zur Erzeugung eines erweiterten Schlüssels, Verschlüsselungsvorrichtung und Verschlüsselungssystem Expired - Lifetime DE60301750T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002101074 2002-04-03
JP2002101074 2002-04-03

Publications (2)

Publication Number Publication Date
DE60301750D1 true DE60301750D1 (de) 2005-11-10
DE60301750T2 DE60301750T2 (de) 2006-07-06

Family

ID=28035928

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60301750T Expired - Lifetime DE60301750T2 (de) 2002-04-03 2003-03-20 Vorrichtung zur Erzeugung eines erweiterten Schlüssels, Verschlüsselungsvorrichtung und Verschlüsselungssystem

Country Status (3)

Country Link
US (1) US7212633B2 (de)
EP (1) EP1351430B1 (de)
DE (1) DE60301750T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100456599B1 (ko) * 2002-11-12 2004-11-09 삼성전자주식회사 병렬 디이에스 구조를 갖는 암호 장치
JP2004361986A (ja) * 2003-04-08 2004-12-24 Sharp Corp スクランブル回路
JP2005103771A (ja) 2003-09-26 2005-04-21 Fuji Photo Film Co Ltd インクジェットヘッドとその製造方法及びインクジェット記録装置
CN101010691A (zh) * 2004-06-14 2007-08-01 北卡罗莱纳大学格林斯伯勒分校 用于数字内容安全的系统和方法
US7783037B1 (en) * 2004-09-20 2010-08-24 Globalfoundries Inc. Multi-gigabit per second computing of the rijndael inverse cipher
US7873166B2 (en) 2005-09-13 2011-01-18 Avaya Inc. Method for undetectably impeding key strength of encryption usage for products exported outside the U.S
CN100485708C (zh) * 2007-08-07 2009-05-06 江雨 一种输入数据的安全处理方法及装置
KR101131167B1 (ko) * 2008-02-20 2012-04-12 연세대학교 산학협력단 스트림 암호를 위한 키수열 발생 방법 및 장치. 블록 암호를 위한 Ｓ-ｂｏｘ 및 상기 Ｓ-ｂｏｘ에서의 치환 방법
JP4764932B2 (ja) * 2009-02-03 2011-09-07 株式会社日立製作所 再生信号の評価方法および光ディスク装置
JP4764939B2 (ja) * 2009-04-14 2011-09-07 株式会社日立製作所 記録条件の調整方法及び光ディスク装置
JP4812881B2 (ja) * 2010-01-20 2011-11-09 日立コンシューマエレクトロニクス株式会社 記録条件の調整方法及び光ディスク装置
US8611540B2 (en) * 2010-06-23 2013-12-17 Damaka, Inc. System and method for secure messaging in a hybrid peer-to-peer network
JP5682526B2 (ja) * 2011-03-28 2015-03-11 ソニー株式会社 データ処理装置、およびデータ処理方法、並びにプログラム
US9684580B2 (en) * 2013-11-05 2017-06-20 Ixia Methods, systems, and computer readable media for efficient scrambling of data for line rate transmission in high speed communications networks

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5003596A (en) * 1989-08-17 1991-03-26 Cryptech, Inc. Method of cryptographically transforming electronic digital data from one form to another
US6304657B1 (en) * 1999-05-26 2001-10-16 Matsushita Electric Industrial Co., Ltd. Data encryption apparatus using odd number of shift-rotations and method
TW556111B (en) * 1999-08-31 2003-10-01 Toshiba Corp Extended key generator, encryption/decryption unit, extended key generation method, and storage medium
JP3505482B2 (ja) * 2000-07-12 2004-03-08 株式会社東芝 暗号化装置、復号装置及び拡大鍵生成装置、拡大鍵生成方法並びに記録媒体
US20030198345A1 (en) * 2002-04-15 2003-10-23 Van Buer Darrel J. Method and apparatus for high speed implementation of data encryption and decryption utilizing, e.g. Rijndael or its subset AES, or other encryption/decryption algorithms having similar key expansion data flow

Also Published As

Publication number Publication date
US20030190041A1 (en) 2003-10-09
DE60301750T2 (de) 2006-07-06
EP1351430B1 (de) 2005-10-05
EP1351430A1 (de) 2003-10-08
US7212633B2 (en) 2007-05-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP