KR101015456B1 - 디바이스에 의한 메모리로의 억세스 제어 - Google Patents

디바이스에 의한 메모리로의 억세스 제어 Download PDF

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Publication number
KR101015456B1
KR101015456B1 KR1020057008761A KR20057008761A KR101015456B1 KR 101015456 B1 KR101015456 B1 KR 101015456B1 KR 1020057008761 A KR1020057008761 A KR 1020057008761A KR 20057008761 A KR20057008761 A KR 20057008761A KR 101015456 B1 KR101015456 B1 KR 101015456B1
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South Korea
Prior art keywords
secure
memory
mode
access
processor
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Expired - Lifetime
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KR1020057008761A
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Korean (ko)
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KR20050085000A (ko
Inventor
시몬 찰스 와트
리오넬 벨넷
다비드 헨나 만셀
니콜라 쇼샤드
피터 가이 미들턴
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에이알엠 리미티드
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Priority claimed from GB0226879A external-priority patent/GB0226879D0/en
Priority claimed from GB0226875A external-priority patent/GB0226875D0/en
Priority claimed from GB0303446A external-priority patent/GB0303446D0/en
Application filed by 에이알엠 리미티드 filed Critical 에이알엠 리미티드
Publication of KR20050085000A publication Critical patent/KR20050085000A/ko
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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
    • 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
    • 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
    • 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)
KR1020057008761A 2002-11-18 2003-10-27 디바이스에 의한 메모리로의 억세스 제어 Expired - Lifetime KR101015456B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB0226879A GB0226879D0 (en) 2002-11-18 2002-11-18 Apparatus and method for controlling access to a memory
GB0226875A GB0226875D0 (en) 2002-11-18 2002-11-18 Control of access to a memory by a device
GB0226879.5 2002-11-18
GB0226875.3 2002-11-18
GB0303446A GB0303446D0 (en) 2002-11-18 2003-02-14 Apparatus and method for controlling access to a memory
GB0303446.9 2003-02-14

Publications (2)

Publication Number Publication Date
KR20050085000A KR20050085000A (ko) 2005-08-29
KR101015456B1 true KR101015456B1 (ko) 2011-02-22

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KR1020057008761A Expired - Lifetime KR101015456B1 (ko) 2002-11-18 2003-10-27 디바이스에 의한 메모리로의 억세스 제어

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