DE69824251D1 - Entschlüsselungsvorrichtung - Google Patents

Entschlüsselungsvorrichtung

Info

Publication number
DE69824251D1
DE69824251D1 DE69824251T DE69824251T DE69824251D1 DE 69824251 D1 DE69824251 D1 DE 69824251D1 DE 69824251 T DE69824251 T DE 69824251T DE 69824251 T DE69824251 T DE 69824251T DE 69824251 D1 DE69824251 D1 DE 69824251D1
Authority
DE
Germany
Prior art keywords
decryption device
decryption
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
DE69824251T
Other languages
English (en)
Other versions
DE69824251T2 (de
Inventor
Tomohiko Kanemitsu
Naoya Tokunaga
Kenta Sokawa
Hiroshi Miyaguchi
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
Texas Instruments Inc
Original Assignee
Matsushita Electric Industrial Co Ltd
Texas Instruments Inc
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, Texas Instruments Inc filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69824251D1 publication Critical patent/DE69824251D1/de
Application granted granted Critical
Publication of DE69824251T2 publication Critical patent/DE69824251T2/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
    • H04L9/08—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
    • H04L9/0877—Generation of secret information including derivation or calculation of cryptographic keys or passwords using additional device, e.g. trusted platform module [TPM], smartcard, USB or hardware security module [HSM]
    • 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
    • H04L2209/08—Randomization, e.g. dummy operations or using noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
DE69824251T 1997-09-30 1998-09-29 Entschlüsselungsvorrichtung Expired - Lifetime DE69824251T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP26751597 1997-09-30
JP9267515A JPH11109856A (ja) 1997-09-30 1997-09-30 復号装置

Publications (2)

Publication Number Publication Date
DE69824251D1 true DE69824251D1 (de) 2004-07-08
DE69824251T2 DE69824251T2 (de) 2004-09-23

Family

ID=17445921

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69837625T Expired - Lifetime DE69837625T2 (de) 1997-09-30 1998-09-29 Vorrichtung zur Entschlüsselung eines Schlüssels
DE69824251T Expired - Lifetime DE69824251T2 (de) 1997-09-30 1998-09-29 Entschlüsselungsvorrichtung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69837625T Expired - Lifetime DE69837625T2 (de) 1997-09-30 1998-09-29 Vorrichtung zur Entschlüsselung eines Schlüssels

Country Status (4)

Country Link
US (1) US6393564B1 (de)
EP (2) EP1244247B1 (de)
JP (1) JPH11109856A (de)
DE (2) DE69837625T2 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7996670B1 (en) 1999-07-08 2011-08-09 Broadcom Corporation Classification engine in a cryptography acceleration chip
JP2002082732A (ja) * 2000-09-06 2002-03-22 Nec Corp プログラムコードの不正改竄防止システム及びその方法並びにその制御プログラムを記録した記録媒体
TW508494B (en) * 2001-03-28 2002-11-01 Shansun Technology Company Data protection device capable of self-defining address arrangement sequence in protection area of storage device
TWI222609B (en) * 2001-07-25 2004-10-21 Matsushita Electric Ind Co Ltd A method of producing a decrypting apparatus having a cryptographic device and cryptographic information, a system for providing such device and information, and the decrypting apparatus produced by the production method
JP4289817B2 (ja) * 2002-02-26 2009-07-01 キヤノン株式会社 情報管理装置及び方法
US9081725B2 (en) 2002-03-19 2015-07-14 Shansun Technology Company Digital information protecting method and apparatus, and computer accessible recording medium
US7958374B2 (en) * 2002-03-19 2011-06-07 Shansun Technology Company Digital information protecting method and apparatus, and computer accessible recording medium
JP4357815B2 (ja) * 2002-09-11 2009-11-04 株式会社東芝 暗号演算回路
US20040123120A1 (en) * 2002-12-18 2004-06-24 Broadcom Corporation Cryptography accelerator input interface data handling
US7434043B2 (en) 2002-12-18 2008-10-07 Broadcom Corporation Cryptography accelerator data routing unit
US7568110B2 (en) 2002-12-18 2009-07-28 Broadcom Corporation Cryptography accelerator interface decoupling from cryptography processing cores
US20040123123A1 (en) * 2002-12-18 2004-06-24 Buer Mark L. Methods and apparatus for accessing security association information in a cryptography accelerator
US7336783B2 (en) 2003-01-24 2008-02-26 Samsung Electronics, C., Ltd. Cryptographic systems and methods supporting multiple modes
JP2004303315A (ja) * 2003-03-31 2004-10-28 Funai Electric Co Ltd Ｄｖｄ機器および所定情報記録方法
JP4557506B2 (ja) * 2003-05-28 2010-10-06 シャープ株式会社 情報処理装置
JP2007226276A (ja) * 2004-03-24 2007-09-06 Matsushita Electric Ind Co Ltd デバッグ許可装置システム
US7770032B2 (en) * 2004-04-06 2010-08-03 Telecom Italia S.P.A. Secure logging for irrefutable administration
US20060136717A1 (en) 2004-12-20 2006-06-22 Mark Buer System and method for authentication via a proximate device
US8295484B2 (en) 2004-12-21 2012-10-23 Broadcom Corporation System and method for securing data from a remote input device
US8908870B2 (en) * 2007-11-01 2014-12-09 Infineon Technologies Ag Method and system for transferring information to a device
US8627079B2 (en) * 2007-11-01 2014-01-07 Infineon Technologies Ag Method and system for controlling a device
EP2223460A4 (de) * 2007-12-20 2011-12-28 Bce Inc Kontaktloses etikett mit signatur und anwendungen dafür
US20120102322A1 (en) 2008-12-18 2012-04-26 O'brien William G Processing of communication device signatures for use in securing nomadic electronic transactions
CA2747553C (en) 2008-12-18 2016-06-07 Sean Maclean Murray Validation method and system for use in securing nomadic electronic transactions
US9967092B2 (en) * 2010-05-25 2018-05-08 Via Technologies, Inc. Key expansion logic using decryption key primitives
US9798898B2 (en) 2010-05-25 2017-10-24 Via Technologies, Inc. Microprocessor with secure execution mode and store key instructions
US9911008B2 (en) 2010-05-25 2018-03-06 Via Technologies, Inc. Microprocessor with on-the-fly switching of decryption keys
US9892283B2 (en) * 2010-05-25 2018-02-13 Via Technologies, Inc. Decryption of encrypted instructions using keys selected on basis of instruction fetch address
US9767293B2 (en) * 2015-02-13 2017-09-19 International Business Machines Corporation Content based hardware security module assignment to virtual machines
US9619647B2 (en) * 2015-05-07 2017-04-11 Nxp Usa, Inc. Integrated circuit access
WO2017208618A1 (ja) 2016-06-02 2017-12-07 パナソニックＩｐマネジメント株式会社 情報処理装置および情報処理システム

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0281059B1 (de) * 1987-03-04 1993-12-01 Siemens Nixdorf Informationssysteme Aktiengesellschaft Datenaustauschsystem mit mehreren jeweils eine Chipkarten-Leseeinrichtung enthaltenden Benutzerterminals
US5077793A (en) * 1989-09-29 1991-12-31 The Boeing Company Residue number encryption and decryption system
JP3073590B2 (ja) 1992-03-16 2000-08-07 富士通株式会社 電子化データ保護システム、使用許諾者側装置および使用者側装置
US5337357A (en) * 1993-06-17 1994-08-09 Software Security, Inc. Method of software distribution protection
US5592556A (en) * 1994-08-09 1997-01-07 Ericsson Ge Mobile Communications Inc. Digital radio with vocoding encrypting codec
US5915214A (en) * 1995-02-23 1999-06-22 Reece; Richard W. Mobile communication service provider selection system
JP3526524B2 (ja) * 1996-10-31 2004-05-17 松下電器産業株式会社 一方向データ変換装置及び機器認証システム

Also Published As

Publication number Publication date
EP0905942A3 (de) 2000-09-13
EP1244247A3 (de) 2003-11-19
US6393564B1 (en) 2002-05-21
EP0905942A2 (de) 1999-03-31
EP1244247A2 (de) 2002-09-25
JPH11109856A (ja) 1999-04-23
EP0905942B1 (de) 2004-06-02
DE69824251T2 (de) 2004-09-23
EP1244247B1 (de) 2007-04-18
DE69837625T2 (de) 2007-10-25
DE69837625D1 (de) 2007-05-31

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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

Owner name: TEXAS INSTRUMENTS INC., DALLAS, TEX., US