DE602005013611D1 - Multitasking-Computer mit verschlüsselten Daten in gemeinsamem Speicherbereich - Google Patents

Multitasking-Computer mit verschlüsselten Daten in gemeinsamem Speicherbereich

Info

Publication number
DE602005013611D1
DE602005013611D1 DE602005013611T DE602005013611T DE602005013611D1 DE 602005013611 D1 DE602005013611 D1 DE 602005013611D1 DE 602005013611 T DE602005013611 T DE 602005013611T DE 602005013611 T DE602005013611 T DE 602005013611T DE 602005013611 D1 DE602005013611 D1 DE 602005013611D1
Authority
DE
Germany
Prior art keywords
encrypted data
shared memory
multitasking computer
multitasking
computer
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.)
Active
Application number
DE602005013611T
Other languages
English (en)
Inventor
Yu Inamura
Toru Egashira
Atsushi Takeshita
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.)
NTT Docomo Inc
Original Assignee
NTT Docomo 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 NTT Docomo Inc filed Critical NTT Docomo Inc
Publication of DE602005013611D1 publication Critical patent/DE602005013611D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14—Protection against unauthorised use of memory or access to memory
    • G06F12/1416—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights
    • G06F12/145—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being virtual, e.g. for virtual blocks or segments before a translation mechanism
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14—Protection against unauthorised use of memory or access to memory
    • G06F12/1408—Protection against unauthorised use of memory or access to memory by using cryptography

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Storage Device Security (AREA)
DE602005013611T 2004-07-02 2005-07-01 Multitasking-Computer mit verschlüsselten Daten in gemeinsamem Speicherbereich Active DE602005013611D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004197157A JP4490192B2 (ja) 2004-07-02 2004-07-02 マルチタスク実行システム

Publications (1)

Publication Number Publication Date
DE602005013611D1 true DE602005013611D1 (de) 2009-05-14

Family

ID=35058881

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005013611T Active DE602005013611D1 (de) 2004-07-02 2005-07-01 Multitasking-Computer mit verschlüsselten Daten in gemeinsamem Speicherbereich

Country Status (5)

Country Link
US (1) US7577851B2 (de)
EP (1) EP1612671B1 (de)
JP (1) JP4490192B2 (de)
CN (1) CN100388245C (de)
DE (1) DE602005013611D1 (de)

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JP4469783B2 (ja) 2005-11-28 2010-05-26 株式会社東芝 メモリ保護装置、メモリ保護システムおよびメモリ保護方法
JP4498295B2 (ja) * 2005-11-30 2010-07-07 株式会社東芝 アクセス制御装置、アクセス制御システム、プロセッサ、アクセス制御方法
US7681050B2 (en) * 2005-12-01 2010-03-16 Telefonaktiebolaget L M Ericsson (Publ) Secure and replay protected memory storage
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US20090193527A1 (en) * 2006-08-03 2009-07-30 Freescale Semiconductor, Inc. Method for monotonically counting and a device having monotonic counting capabilities
KR101369748B1 (ko) * 2006-12-04 2014-03-06 삼성전자주식회사 데이터 암호화 방법 및 그 장치
US8370644B2 (en) * 2008-05-30 2013-02-05 Spansion Llc Instant hardware erase for content reset and pseudo-random number generation
US8379846B2 (en) * 2009-05-21 2013-02-19 Freescale Semiconductor, Inc. Encryption apparatus and method therefor
US8184812B2 (en) * 2009-06-03 2012-05-22 Freescale Semiconductor, Inc. Secure computing device with monotonic counter and method therefor
JP5167374B2 (ja) * 2011-01-21 2013-03-21 シャープ株式会社 データ暗号化装置、及び、メモリカード
US9753864B2 (en) 2011-06-15 2017-09-05 Nokia Technologies Oy Method and apparatus for implementing memory segment access control in a distributed memory environment
US9053233B2 (en) * 2011-08-15 2015-06-09 Freescale Semiconductor, Inc. Method and device for controlling debug event resources
US9164924B2 (en) 2011-09-13 2015-10-20 Facebook, Inc. Software cryptoprocessor
US9798695B2 (en) 2012-08-07 2017-10-24 Nokia Technologies Oy Access control for wireless memory
KR101458479B1 (ko) * 2012-10-12 2014-11-07 한국전자통신연구원 세션상태정보의 암호화 및 복호화 방법
US9477603B2 (en) 2013-09-05 2016-10-25 Facebook, Inc. System and method for partitioning of memory units into non-conflicting sets
US9983894B2 (en) 2013-09-25 2018-05-29 Facebook, Inc. Method and system for providing secure system execution on hardware supporting secure application execution
US10049048B1 (en) 2013-10-01 2018-08-14 Facebook, Inc. Method and system for using processor enclaves and cache partitioning to assist a software cryptoprocessor
US9747450B2 (en) 2014-02-10 2017-08-29 Facebook, Inc. Attestation using a combined measurement and its constituent measurements
US9734092B2 (en) 2014-03-19 2017-08-15 Facebook, Inc. Secure support for I/O in software cryptoprocessor
US10305689B2 (en) * 2014-12-04 2019-05-28 Nec Corporation Encryption apparatus, decryption apparatus, cryptography processing system, encryption method, decryption method, encryption program, and decryption program
US9904807B2 (en) * 2015-01-09 2018-02-27 Toshiba Memory Corporation Memory system and information processing system
US9798678B2 (en) 2015-04-02 2017-10-24 International Business Machines Corporation Protecting storage from unauthorized access
US9715462B2 (en) 2015-04-02 2017-07-25 International Business Machines Corporation Protecting contents of storage
JP2018205817A (ja) * 2017-05-30 2018-12-27 富士通株式会社 情報処理装置、および管理プログラム
CN111431888B (zh) * 2020-03-19 2020-11-27 深圳市道旅旅游科技股份有限公司 关键信息屏蔽的方法、装置、设备及存储介质

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US5940508A (en) * 1997-04-07 1999-08-17 Motorola, Inc. Method and apparatus for seamless crypto rekey system
US6345359B1 (en) * 1997-11-14 2002-02-05 Raytheon Company In-line decryption for protecting embedded software
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JP4115759B2 (ja) 2002-07-01 2008-07-09 株式会社東芝 耐タンパプロセッサにおける共有ライブラリの使用方法およびそのプログラム
JP3880933B2 (ja) * 2003-01-21 2007-02-14 株式会社東芝 耐タンパマイクロプロセッサ及びキャッシュメモリ搭載プロセッサによるデータアクセス制御方法
US8005710B2 (en) * 2004-09-28 2011-08-23 Microsoft Corporation Methods and systems for caching and synchronizing project data

Also Published As

Publication number Publication date
US7577851B2 (en) 2009-08-18
US20060020941A1 (en) 2006-01-26
JP4490192B2 (ja) 2010-06-23
EP1612671B1 (de) 2009-04-01
CN100388245C (zh) 2008-05-14
EP1612671A2 (de) 2006-01-04
JP2006018685A (ja) 2006-01-19
EP1612671A3 (de) 2008-04-09
CN1716220A (zh) 2006-01-04

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