CN1759557A - 具有外围设备访问保护的数据处理系统及其方法 - Google Patents

具有外围设备访问保护的数据处理系统及其方法 Download PDF

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Publication number
CN1759557A
CN1759557A CNA2004800062591A CN200480006259A CN1759557A CN 1759557 A CN1759557 A CN 1759557A CN A2004800062591 A CNA2004800062591 A CN A2004800062591A CN 200480006259 A CN200480006259 A CN 200480006259A CN 1759557 A CN1759557 A CN 1759557A
Authority
CN
China
Prior art keywords
bus
access
privilege
master
bus master
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.)
Pending
Application number
CNA2004800062591A
Other languages
English (en)
Chinese (zh)
Inventor
威廉·C·莫耶
约瑟夫·C·奇尔切洛
克雷格·D·肖
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.)
NXP USA Inc
Original Assignee
Freescale Semiconductor 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 Freescale Semiconductor Inc filed Critical Freescale Semiconductor Inc
Publication of CN1759557A publication Critical patent/CN1759557A/zh
Pending legal-status Critical Current

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    • 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

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  • 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)
CNA2004800062591A 2003-03-07 2004-02-04 具有外围设备访问保护的数据处理系统及其方法 Pending CN1759557A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/384,024 2003-03-07
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
CN1759557A true CN1759557A (zh) 2006-04-12

Family

ID=32927178

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2004800062591A Pending CN1759557A (zh) 2003-03-07 2004-02-04 具有外围设备访问保护的数据处理系统及其方法

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)

Cited By (2)

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CN104899175A (zh) * 2014-03-04 2015-09-09 深圳市中兴微电子技术有限公司 一种基于片内总线协议的安全访问控制方法和装置
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

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US8464069B2 (en) * 2007-02-05 2013-06-11 Freescale Semiconductors, Inc. Secure data access methods and apparatus
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JP4514066B2 (ja) * 2008-04-28 2010-07-28 ルネサスエレクトロニクス株式会社 データ処理装置及びデータ処理装置におけるアクセス制御方法
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US9092647B2 (en) 2013-03-07 2015-07-28 Freescale Semiconductor, Inc. Programmable direct memory access channels
US20140366131A1 (en) * 2013-06-07 2014-12-11 Andes Technology Corporation Secure bus system
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US9268970B2 (en) 2014-03-20 2016-02-23 Analog Devices, Inc. System and method for security-aware master
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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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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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GB2624257B (en) * 2022-11-08 2024-11-06 Cirrus Logic Int Semiconductor Ltd Systems and methods for access protection of system peripherals

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104899175A (zh) * 2014-03-04 2015-09-09 深圳市中兴微电子技术有限公司 一种基于片内总线协议的安全访问控制方法和装置
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
US12443733B2 (en) 2020-01-14 2025-10-14 Huawei Technologies Co., Ltd. Safety isolation method and apparatus, and computer system

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
TW200417869A (en) 2004-09-16
EP1604482A2 (en) 2005-12-14
WO2004081707A3 (en) 2005-02-24

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C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Open date: 20060412