TW200417869A - Data processing system with peripheral access protection and method therefor - Google Patents

Data processing system with peripheral access protection and method therefor Download PDF

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Publication number
TW200417869A
TW200417869A TW093102640A TW93102640A TW200417869A TW 200417869 A TW200417869 A TW 200417869A TW 093102640 A TW093102640 A TW 093102640A TW 93102640 A TW93102640 A TW 93102640A TW 200417869 A TW200417869 A TW 200417869A
Authority
TW
Taiwan
Prior art keywords
bus
access
privilege
peripheral
bus master
Prior art date
Application number
TW093102640A
Other languages
English (en)
Chinese (zh)
Inventor
William C Moyer
Joseph C Circello
Craig T Shaw
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of TW200417869A publication Critical patent/TW200417869A/zh

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/10—Program control for peripheral devices
    • 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
    • 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
    • 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
    • G06F2221/2113—Multi-level security, e.g. mandatory access control
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
TW093102640A 2003-03-07 2004-02-05 Data processing system with peripheral access protection and method therefor TW200417869A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/384,024 US7434264B2 (en) 2003-03-07 2003-03-07 Data processing system with peripheral access protection and method therefor

Publications (1)

Publication Number Publication Date
TW200417869A true TW200417869A (en) 2004-09-16

Family

ID=32927178

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093102640A TW200417869A (en) 2003-03-07 2004-02-05 Data processing system with peripheral access protection and method therefor

Country Status (7)

Country Link
US (1) US7434264B2 (enExample)
EP (1) EP1604482A4 (enExample)
JP (1) JP2006523347A (enExample)
KR (1) KR20050113638A (enExample)
CN (1) CN1759557A (enExample)
TW (1) TW200417869A (enExample)
WO (1) WO2004081707A2 (enExample)

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US10534739B2 (en) 2014-10-31 2020-01-14 Hewlett Packard Enterprise Development Lp Indicating a privilege level

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US10095891B2 (en) * 2015-06-08 2018-10-09 Nuvoton Technology Corporation Secure access to peripheral devices over a bus
US20190196967A1 (en) * 2017-12-27 2019-06-27 Samsung Electronics Co., Ltd. Device including access controller, system on chip and system including the same
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CN114902223A (zh) * 2020-01-14 2022-08-12 华为技术有限公司 安全隔离方法、装置以及计算机系统
US11354172B2 (en) 2020-09-01 2022-06-07 Nxp Usa, Inc. Centralized access control circuit for controlling access to peripherals
JP7589584B2 (ja) * 2021-02-25 2024-11-26 セイコーエプソン株式会社 回路装置及び電子機器
WO2023129462A1 (en) * 2022-01-03 2023-07-06 Microchip Technology Incorporated Electronic device including access control identifiers for controlling access to peripherals
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10534739B2 (en) 2014-10-31 2020-01-14 Hewlett Packard Enterprise Development Lp Indicating a privilege level

Also Published As

Publication number Publication date
US20040177266A1 (en) 2004-09-09
WO2004081707A2 (en) 2004-09-23
US7434264B2 (en) 2008-10-07
KR20050113638A (ko) 2005-12-02
JP2006523347A (ja) 2006-10-12
EP1604482A4 (en) 2008-01-30
EP1604482A2 (en) 2005-12-14
WO2004081707A3 (en) 2005-02-24
CN1759557A (zh) 2006-04-12

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