JP4302641B2 - デバイスによるメモリへのアクセスの制御 - Google Patents

デバイスによるメモリへのアクセスの制御 Download PDF

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Publication number
JP4302641B2
JP4302641B2 JP2004570296A JP2004570296A JP4302641B2 JP 4302641 B2 JP4302641 B2 JP 4302641B2 JP 2004570296 A JP2004570296 A JP 2004570296A JP 2004570296 A JP2004570296 A JP 2004570296A JP 4302641 B2 JP4302641 B2 JP 4302641B2
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Prior art keywords
memory
secure
mode
safe
safety
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Expired - Lifetime
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JP2004570296A
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Japanese (ja)
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JP2006506754A (ja
JP2006506754A5 (enExample
Inventor
ワット、サイモン、チャールズ
ベルネ、リオネル
マンセル、デイヴィッド、ヘンナ
ショサード、ニコラ
ミドルトン、ペーター、ガイ
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エイアールエム リミテッド
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Priority claimed from GB0226875A external-priority patent/GB0226875D0/en
Priority claimed from GB0226879A external-priority patent/GB0226879D0/en
Priority claimed from GB0303446A external-priority patent/GB0303446D0/en
Application filed by エイアールエム リミテッド filed Critical エイアールエム リミテッド
Publication of JP2006506754A publication Critical patent/JP2006506754A/ja
Publication of JP2006506754A5 publication Critical patent/JP2006506754A5/ja
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F12/1458—Protection against unauthorised use of memory or access to memory by checking the subject access rights
    • G06F12/1491—Protection against unauthorised use of memory or access to memory by checking the subject access rights in a hierarchical protection system, e.g. privilege levels, memory rings
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F12/1458—Protection against unauthorised use of memory or access to memory by checking the subject access rights
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/74—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information operating in dual or compartmented mode, i.e. at least one secure mode
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
    • G06F21/79—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in semiconductor storage media, e.g. directly-addressable memories
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/82—Protecting input, output or interconnection devices
    • G06F21/85—Protecting input, output or interconnection devices interconnection devices, e.g. bus-connected or in-line devices
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2105—Dual mode as a secondary aspect
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2141—Access rights, e.g. capability lists, access control lists, access tables, access matrices
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2149—Restricted operating environment

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Software Systems (AREA)
  • Mathematical Physics (AREA)
  • Databases & Information Systems (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Storage Device Security (AREA)
JP2004570296A 2002-11-18 2003-10-27 デバイスによるメモリへのアクセスの制御 Expired - Lifetime JP4302641B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0226875A GB0226875D0 (en) 2002-11-18 2002-11-18 Control of access to a memory by a device
GB0226879A GB0226879D0 (en) 2002-11-18 2002-11-18 Apparatus and method for controlling access to a memory
GB0303446A GB0303446D0 (en) 2002-11-18 2003-02-14 Apparatus and method for controlling access to a memory
PCT/GB2003/004629 WO2004046934A2 (en) 2002-11-18 2003-10-27 Secure memory for protecting against malicious programs

Publications (3)

Publication Number Publication Date
JP2006506754A JP2006506754A (ja) 2006-02-23
JP2006506754A5 JP2006506754A5 (enExample) 2009-02-26
JP4302641B2 true JP4302641B2 (ja) 2009-07-29

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JP2004570296A Expired - Lifetime JP4302641B2 (ja) 2002-11-18 2003-10-27 デバイスによるメモリへのアクセスの制御

Country Status (7)

Country Link
US (1) US7305534B2 (enExample)
EP (1) EP1563388A2 (enExample)
JP (1) JP4302641B2 (enExample)
KR (1) KR101015456B1 (enExample)
AU (1) AU2003278350A1 (enExample)
GB (1) GB2411027B (enExample)
WO (1) WO2004046934A2 (enExample)

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AU2003278350A8 (en) 2004-06-15
EP1563388A2 (en) 2005-08-17
US20040177261A1 (en) 2004-09-09
GB0507886D0 (en) 2005-05-25
WO2004046934A3 (en) 2005-06-16
GB2411027B (en) 2006-03-15
JP2006506754A (ja) 2006-02-23
US7305534B2 (en) 2007-12-04
KR20050085000A (ko) 2005-08-29
GB2411027A (en) 2005-08-17
AU2003278350A1 (en) 2004-06-15
WO2004046934A2 (en) 2004-06-03

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