KR100831468B1 - Ｎｏｄｍａ 캐시 - Google Patents

Ｎｏｄｍａ 캐시 Download PDF

Info

Publication number
KR100831468B1
KR100831468B1 KR1020057018689A KR20057018689A KR100831468B1 KR 100831468 B1 KR100831468 B1 KR 100831468B1 KR 1020057018689 A KR1020057018689 A KR 1020057018689A KR 20057018689 A KR20057018689 A KR 20057018689A KR 100831468 B1 KR100831468 B1 KR 100831468B1
Authority
KR
South Korea
Prior art keywords
memory
segment
cache
indicator
secret
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.)
Expired - Fee Related
Application number
KR1020057018689A
Other languages
English (en)
Korean (ko)
Other versions
KR20060006791A (ko
Inventor
데벤드라 다스 샤르마
로버트 사프라네크
Original Assignee
인텔 코오퍼레이션
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 인텔 코오퍼레이션 filed Critical 인텔 코오퍼레이션
Publication of KR20060006791A publication Critical patent/KR20060006791A/ko
Application granted granted Critical
Publication of KR100831468B1 publication Critical patent/KR100831468B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • G06F12/1416—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
    • G06F12/1425—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 physical, e.g. cell, word, block
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • 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
    • G06F12/1416—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
    • G06F12/1425—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 physical, e.g. cell, word, block
    • G06F12/1441—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 physical, e.g. cell, word, block for a range
    • 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
    • G06F12/1416—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Storage Device Security (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
KR1020057018689A 2003-03-31 2004-02-06 Ｎｏｄｍａ 캐시 Expired - Fee Related KR100831468B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/404,881 US7296127B2 (en) 2003-03-31 2003-03-31 NoDMA cache
US10/404,881 2003-03-31

Publications (2)

Publication Number Publication Date
KR20060006791A KR20060006791A (ko) 2006-01-19
KR100831468B1 true KR100831468B1 (ko) 2008-05-21

Family

ID=32990210

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020057018689A Expired - Fee Related KR100831468B1 (ko) 2003-03-31 2004-02-06 Ｎｏｄｍａ 캐시

Country Status (7)

Country Link
US (3) US7296127B2 (enExample)
EP (2) EP2287744A1 (enExample)
JP (1) JP4430624B2 (enExample)
KR (1) KR100831468B1 (enExample)
CN (1) CN1291329C (enExample)
TW (1) TWI297831B (enExample)
WO (1) WO2004095205A2 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7296127B2 (en) 2003-03-31 2007-11-13 Intel Corporation NoDMA cache
US20050182862A1 (en) * 2004-02-12 2005-08-18 Ritz Andrew J. System and method for detecting DMA-generated memory corruption in a PCI express bus system
CN100418074C (zh) * 2004-03-05 2008-09-10 菲尼萨公司 光学收发机中的分级和字节可配置存储器
US20070078879A1 (en) * 2005-09-30 2007-04-05 Safranek Robert J Active address table
US7594042B2 (en) * 2006-06-30 2009-09-22 Intel Corporation Effective caching mechanism with comparator coupled to programmable registers to store plurality of thresholds in order to determine when to throttle memory requests
US8782367B2 (en) * 2006-12-20 2014-07-15 Stmicroelectronics S.A. Memory area protection circuit
US8041912B2 (en) 2007-09-28 2011-10-18 Macronix International Co., Ltd. Memory devices with data protection
US7907432B2 (en) * 2009-06-30 2011-03-15 Netlogic Microsystems, Inc. Content addressable memory device for simultaneously searching multiple flows
US8898417B1 (en) 2009-10-20 2014-11-25 Micron Technology, Inc. Block-based storage device with a memory-mapped interface
US8572440B1 (en) * 2010-11-15 2013-10-29 E.Digital Corporation System and method for managing information stored in semiconductors
CN102467417B (zh) 2010-11-19 2014-04-23 英业达股份有限公司 计算机系统
TWI421701B (zh) * 2010-12-06 2014-01-01 Inventec Corp 計算機系統
JP5790043B2 (ja) * 2011-03-14 2015-10-07 株式会社リコー データ転送システム及びデータ転送方法
US9471514B1 (en) * 2012-08-23 2016-10-18 Palo Alto Networks, Inc. Mitigation of cyber attacks by pointer obfuscation
US20160034404A1 (en) * 2014-07-31 2016-02-04 International Business Machines Corporation Managing access to storage
US12301561B2 (en) 2022-08-29 2025-05-13 Bank Of America Corporation Secure access to devices in a virtual environment using security tokens

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5432950A (en) 1990-09-28 1995-07-11 Motorola Inc. System for securing a data processing system and method of operation
US5930826A (en) * 1997-04-07 1999-07-27 Aplus Integrated Circuits, Inc. Flash memory protection attribute status bits held in a flash memory array
US20020156962A1 (en) * 1999-10-01 2002-10-24 Rajesh Chopra Microprocessor having improved memory management unit and cache memory

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5134700A (en) * 1987-09-18 1992-07-28 General Instrument Corporation Microcomputer with internal ram security during external program mode
US5079737A (en) * 1988-10-25 1992-01-07 United Technologies Corporation Memory management unit for the MIL-STD 1750 bus
US5628023A (en) 1993-04-19 1997-05-06 International Business Machines Corporation Virtual storage computer system having methods and apparatus for providing token-controlled access to protected pages of memory via a token-accessible view
FR2725537B1 (fr) 1994-10-11 1996-11-22 Bull Cp8 Procede de chargement d'une zone memoire protegee d'un dispositif de traitement de l'information et dispositif associe
US5646890A (en) * 1996-03-29 1997-07-08 Aplus Integrated Circuits, Inc. Flexible byte-erase flash memory and decoder
US5809546A (en) * 1996-05-23 1998-09-15 International Business Machines Corporation Method for managing I/O buffers in shared storage by structuring buffer table having entries including storage keys for controlling accesses to the buffers
JP2916421B2 (ja) 1996-09-09 1999-07-05 株式会社東芝 キャッシュフラッシュ装置およびデータ処理方法
US6473861B1 (en) * 1998-12-03 2002-10-29 Joseph Forte Magnetic optical encryption/decryption disk drive arrangement
JP4719957B2 (ja) * 2000-05-24 2011-07-06 株式会社日立製作所 記憶制御装置及び記憶システム並びに記憶システムのセキュリティ設定方法
JP4678084B2 (ja) 2000-09-29 2011-04-27 ソニー株式会社 メモリ装置およびメモリアクセス制限方法
JP3644494B2 (ja) 2001-04-13 2005-04-27 日本電気株式会社 情報検索装置
US7130951B1 (en) * 2002-04-18 2006-10-31 Advanced Micro Devices, Inc. Method for selectively disabling interrupts on a secure execution mode-capable processor
US6785790B1 (en) * 2002-05-29 2004-08-31 Advanced Micro Devices, Inc. Method and apparatus for storing and retrieving security attributes
US7296127B2 (en) 2003-03-31 2007-11-13 Intel Corporation NoDMA cache
US7146477B1 (en) * 2003-04-18 2006-12-05 Advanced Micro Devices, Inc. Mechanism for selectively blocking peripheral device accesses to system memory
US7665143B2 (en) * 2005-05-16 2010-02-16 Microsoft Corporation Creating secure process objects

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5432950A (en) 1990-09-28 1995-07-11 Motorola Inc. System for securing a data processing system and method of operation
US5930826A (en) * 1997-04-07 1999-07-27 Aplus Integrated Circuits, Inc. Flash memory protection attribute status bits held in a flash memory array
US20020156962A1 (en) * 1999-10-01 2002-10-24 Rajesh Chopra Microprocessor having improved memory management unit and cache memory

Also Published As

Publication number Publication date
US20080040566A1 (en) 2008-02-14
HK1069450A1 (en) 2005-05-20
EP2287744A1 (en) 2011-02-23
WO2004095205A2 (en) 2004-11-04
US7571294B2 (en) 2009-08-04
EP1609069A2 (en) 2005-12-28
KR20060006791A (ko) 2006-01-19
US7296127B2 (en) 2007-11-13
CN1291329C (zh) 2006-12-20
US20040193755A1 (en) 2004-09-30
JP2006514770A (ja) 2006-05-11
WO2004095205A3 (en) 2004-12-29
TW200426588A (en) 2004-12-01
TWI297831B (en) 2008-06-11
CN1534492A (zh) 2004-10-06
JP4430624B2 (ja) 2010-03-10
US20090292879A1 (en) 2009-11-26
EP1609069B1 (en) 2017-08-16

Similar Documents

Publication Publication Date Title
US7571294B2 (en) NoDMA cache
US7139890B2 (en) Methods and arrangements to interface memory
US4858117A (en) Apparatus and method for preventing computer access by unauthorized personnel
US8135962B2 (en) System and method providing region-granular, hardware-controlled memory encryption
US20130298251A1 (en) Method and Apparatus for Secure Execution Using a Secure Memory Partition
EP4136536B1 (en) Data integrity check for granule protection data
US7454787B2 (en) Secure direct memory access through system controllers and similar hardware devices
JP2005512228A (ja) 強化されたメモリアクセスセキュリティを提供する、メモリに対するデバイスのアクセスを制御するシステムおよび方法
US7246213B2 (en) Data address security device and method
US20240193260A1 (en) Apparatus and method for handling stashing transactions
CN114077496A (zh) 命中时读取的前popa请求
US20240070091A1 (en) Isolation of memory regions in trusted domain
JP6257844B2 (ja) 実行制御装置及び実行制御方法及び実行制御プログラム
US12321267B2 (en) Hardware mechanism to extend MKTME protections to SGX data outside EPC
HK1069450B (en) An apparatus and method for accessing memory

Legal Events

Date Code Title Description
A201 Request for examination
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

FPAY Annual fee payment

Payment date: 20130503

Year of fee payment: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

FPAY Annual fee payment

Payment date: 20140502

Year of fee payment: 7

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

FPAY Annual fee payment

Payment date: 20150430

Year of fee payment: 8

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 8

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

FPAY Annual fee payment

Payment date: 20160427

Year of fee payment: 9

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 9

FPAY Annual fee payment

Payment date: 20170504

Year of fee payment: 10

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 10

FPAY Annual fee payment

Payment date: 20180427

Year of fee payment: 11

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 11

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20190516

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20190516