DE60142019D1 - Verfahren und Vorrichtung zur Ausführung einer kryptographischen Funktion - Google Patents

Verfahren und Vorrichtung zur Ausführung einer kryptographischen Funktion

Info

Publication number
DE60142019D1
DE60142019D1 DE60142019T DE60142019T DE60142019D1 DE 60142019 D1 DE60142019 D1 DE 60142019D1 DE 60142019 T DE60142019 T DE 60142019T DE 60142019 T DE60142019 T DE 60142019T DE 60142019 D1 DE60142019 D1 DE 60142019D1
Authority
DE
Germany
Prior art keywords
cryptographic function
cryptographic
function
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
DE60142019T
Other languages
English (en)
Inventor
Zheng Qi
Mark Buer
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.)
Broadcom Corp
Original Assignee
Broadcom Corp
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 Broadcom Corp filed Critical Broadcom Corp
Application granted granted Critical
Publication of DE60142019D1 publication Critical patent/DE60142019D1/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
    • H04L9/0625—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation with splitting of the data block into left and right halves, e.g. Feistel based algorithms, DES, FEAL, IDEA or KASUMI
    • 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
    • H04L2209/12—Details relating to cryptographic hardware or logic circuitry
    • H04L2209/125—Parallelization or pipelining, e.g. for accelerating processing of cryptographic operations
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Logic Circuits (AREA)
  • Advance Control (AREA)
  • Image Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE60142019T 2000-12-13 2001-11-02 Verfahren und Vorrichtung zur Ausführung einer kryptographischen Funktion Expired - Lifetime DE60142019D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25556200P 2000-12-13 2000-12-13
US09/892,242 US7366300B2 (en) 2000-12-13 2001-06-26 Methods and apparatus for implementing a cryptography engine

Publications (1)

Publication Number Publication Date
DE60142019D1 true DE60142019D1 (de) 2010-06-17

Family

ID=26944778

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60142019T Expired - Lifetime DE60142019D1 (de) 2000-12-13 2001-11-02 Verfahren und Vorrichtung zur Ausführung einer kryptographischen Funktion

Country Status (3)

Country Link
US (1) US7366300B2 (de)
EP (1) EP1215843B1 (de)
DE (1) DE60142019D1 (de)

Families Citing this family (15)

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US20020061107A1 (en) * 2000-09-25 2002-05-23 Tham Terry K. Methods and apparatus for implementing a cryptography engine
US7062657B2 (en) * 2000-09-25 2006-06-13 Broadcom Corporation Methods and apparatus for hardware normalization and denormalization
US7502463B2 (en) * 2000-12-13 2009-03-10 Broadcom Corporation Methods and apparatus for implementing a cryptography engine
US7366300B2 (en) 2000-12-13 2008-04-29 Broadcom Corporation Methods and apparatus for implementing a cryptography engine
US7076059B1 (en) * 2002-01-17 2006-07-11 Cavium Networks Method and apparatus to implement the data encryption standard algorithm
US7215768B2 (en) * 2002-06-25 2007-05-08 Intel Corporation Shared new data and swap signal for an encryption core
US8005212B2 (en) * 2002-07-10 2011-08-23 Infineon Technologies Ag Device and method for performing a cryptoalgorithm
US20060156003A1 (en) * 2002-08-21 2006-07-13 Junbiao Zhang Watermarking digital data at a user device
US8205086B2 (en) * 2003-04-22 2012-06-19 Oki Data Corporation Watermark information embedding device and method, watermark information detecting device and method, watermarked document
BR0318492A (pt) * 2003-09-05 2006-09-12 Telecom Italia Spa rede dependente de chave combinatória para criptografia/decifração de dados digitais de entrada, bloco para ser usado para funções criptográficas controladas por chave secreta, método para criptografia/decifração de dados digitais de entrada, dispositivo de processamento de dados, e, dispositivo de multimìdia para armazenar e reproduzir dados digitais
KR20050087271A (ko) * 2004-02-26 2005-08-31 삼성전자주식회사 가변 키 길이를 가지는 초기 라운드 키에 대응하는 암호라운드 키와 복호 라운드 키를 선택적으로 발생하는 키스케쥴 장치
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
US20080037775A1 (en) * 2006-03-31 2008-02-14 Avaya Technology Llc Verifiable generation of weak symmetric keys for strong algorithms
US9602273B2 (en) * 2015-05-06 2017-03-21 Nxp B.V. Implementing key scheduling for white-box DES implementation
CN108737070A (zh) * 2018-04-24 2018-11-02 国网山东省电力公司日照供电公司 基于改进des加密算法的电网移动终端数据传输方法

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DE2802708C2 (de) 1978-01-23 1986-06-05 Agfa-Gevaert Ag, 5090 Leverkusen Fokussiervorrichtung für eine Kamera
US4679213A (en) * 1985-01-08 1987-07-07 Sutherland Ivan E Asynchronous queue system
FR2611962B1 (fr) 1987-03-06 1989-06-09 Trt Telecom Radio Electr Systeme et procede pour cryptographie avec application
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US5365588A (en) * 1993-03-12 1994-11-15 Hughes Aircraft Company High speed encryption system and method
JP3053527B2 (ja) 1993-07-30 2000-06-19 インターナショナル・ビジネス・マシーンズ・コーポレイション パスワードを有効化する方法及び装置、パスワードを生成し且つ予備的に有効化する方法及び装置、認証コードを使用して資源のアクセスを制御する方法及び装置
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US5727062A (en) * 1995-07-06 1998-03-10 Ritter; Terry F. Variable size block ciphers
CN1155192C (zh) 1995-07-27 2004-06-23 通用仪器公司 为加密处理信息提供密码密钥的方法和装置
CA2164768C (en) 1995-12-08 2001-01-23 Carlisle Michael Adams Constructing symmetric ciphers using the cast design procedure
US5835599A (en) * 1996-04-15 1998-11-10 Vlsi Technology, Inc. Muti-cycle non-parallel data encryption engine
US5671284A (en) * 1996-04-16 1997-09-23 Vlsi Technology, Inc. Data encryptor having a scalable clock
JP3992742B2 (ja) 1996-05-20 2007-10-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ データブロックおよび鍵を非線形的に結合する暗号方法および装置
US6028939A (en) * 1997-01-03 2000-02-22 Redcreek Communications, Inc. Data security system and method
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JP3351305B2 (ja) 1997-08-07 2002-11-25 日本電気株式会社 暗号装置及び暗号装置を実現するプログラムを記録したコンピューターが読みとり可能な記録媒体
CA2302784A1 (en) * 1997-09-17 1999-03-25 Frank C. Luyster Improved block cipher method
EP1052611B9 (de) * 1998-01-27 2007-02-14 Nippon Telegraph and Telephone Corporation Datenwandler und aufzeichnungsmedium zur aufnahme eines programms zur datenumwandlung
JP3600454B2 (ja) * 1998-08-20 2004-12-15 株式会社東芝 暗号化・復号装置、暗号化・復号方法、およびそのプログラム記憶媒体
US6320964B1 (en) * 1998-08-26 2001-11-20 Intel Corporation Cryptographic accelerator
US6792536B1 (en) 1999-10-20 2004-09-14 Timecertain Llc Smart card system and methods for proving dates in digital files
JP2001211442A (ja) * 2000-01-27 2001-08-03 Victor Co Of Japan Ltd コンテンツ情報伝送方法、コンテンツ情報記録方法、コンテンツ情報伝送装置、コンテンツ情報記録装置、伝送媒体、及び記録媒体
US6567943B1 (en) 2000-04-07 2003-05-20 International Business Machines Corporation D flip-flop structure with flush path for high-speed boundary scan applications
US6591349B1 (en) * 2000-08-31 2003-07-08 Hewlett-Packard Development Company, L.P. Mechanism to reorder memory read and write transactions for reduced latency and increased bandwidth
US7366300B2 (en) 2000-12-13 2008-04-29 Broadcom Corporation Methods and apparatus for implementing a cryptography engine
US7142671B2 (en) 2000-12-13 2006-11-28 Broadcom Corporation Methods and apparatus for implementing a cryptography engine

Also Published As

Publication number Publication date
US7366300B2 (en) 2008-04-29
US20020106080A1 (en) 2002-08-08
EP1215843A3 (de) 2003-10-15
EP1215843B1 (de) 2010-05-05
EP1215843A2 (de) 2002-06-19

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