ATE473483T1 - Verschleierung von speicherzugriffsmustern - Google Patents
Verschleierung von speicherzugriffsmusternInfo
- Publication number
- ATE473483T1 ATE473483T1 AT07254933T AT07254933T ATE473483T1 AT E473483 T1 ATE473483 T1 AT E473483T1 AT 07254933 T AT07254933 T AT 07254933T AT 07254933 T AT07254933 T AT 07254933T AT E473483 T1 ATE473483 T1 AT E473483T1
- Authority
- AT
- Austria
- Prior art keywords
- occasioning
- memory access
- access patterns
- memory
- memory location
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0806—Multiuser, multiprocessor or multiprocessing cache systems
- G06F12/0842—Multiuser, multiprocessor or multiprocessing cache systems for multiprocessing or multitasking
-
- 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
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/52—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity ; Preventing unwanted data erasure; Buffer overflow
-
- 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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30003—Arrangements for executing specific machine instructions
- G06F9/3004—Arrangements for executing specific machine instructions to perform operations on memory
- G06F9/30047—Prefetch instructions; cache control instructions
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Memory System Of A Hierarchy Structure (AREA)
- Storage Device Security (AREA)
- Multi Processors (AREA)
- Ceramic Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/646,642 US7610448B2 (en) | 2006-12-27 | 2006-12-27 | Obscuring memory access patterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE473483T1 true ATE473483T1 (de) | 2010-07-15 |
Family
ID=39314963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT07254933T ATE473483T1 (de) | 2006-12-27 | 2007-12-18 | Verschleierung von speicherzugriffsmustern |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US7610448B2 (de) |
| EP (1) | EP1939752B1 (de) |
| CN (1) | CN101231621B (de) |
| AT (1) | ATE473483T1 (de) |
| DE (1) | DE602007007566D1 (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7610448B2 (en) * | 2006-12-27 | 2009-10-27 | Intel Corporation | Obscuring memory access patterns |
| JP5217432B2 (ja) * | 2007-12-28 | 2013-06-19 | 富士通株式会社 | セクタ機能付きキャッシュメモリ |
| CN102436559B (zh) * | 2010-09-29 | 2016-06-01 | 联想(北京)有限公司 | 一种状态切换方法及系统 |
| US9396135B2 (en) * | 2011-05-18 | 2016-07-19 | University Of North Texas | Method and apparatus for improving computer cache performance and for protecting memory systems against some side channel attacks |
| US9495111B2 (en) * | 2014-10-10 | 2016-11-15 | The Boeing Company | System and method for reducing information leakage from memory |
| CN105989282B (zh) * | 2015-02-13 | 2019-09-24 | 联想(上海)信息技术有限公司 | 驱动部件控制方法、装置及电子设备 |
| US10963567B2 (en) * | 2017-10-12 | 2021-03-30 | Microsoft Technology Licensing, Llc | Speculative side-channel attack mitigations |
| US11144468B2 (en) * | 2018-06-29 | 2021-10-12 | Intel Corporation | Hardware based technique to prevent critical fine-grained cache side-channel attacks |
| US20190042479A1 (en) * | 2018-06-29 | 2019-02-07 | Intel Corporation | Heuristic and machine-learning based methods to prevent fine-grained cache side-channel attacks |
| CN110941569B (zh) * | 2019-11-18 | 2021-01-26 | 新华三半导体技术有限公司 | 数据处理方法、装置及处理器芯片 |
| US11886346B2 (en) * | 2021-04-22 | 2024-01-30 | Micron Technology, Inc. | Cache read context switching in a memory sub-system |
| US11893251B2 (en) * | 2021-08-31 | 2024-02-06 | Apple Inc. | Allocation of a buffer located in system memory into a cache memory |
| US11704245B2 (en) | 2021-08-31 | 2023-07-18 | Apple Inc. | Dynamic allocation of cache memory as RAM |
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| KR940015822A (ko) | 1992-12-30 | 1994-07-21 | 양승택 | 다중 프로세서 시스템에서 메모리 모듈의 상태변화 시험방법 |
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| US7831777B2 (en) * | 2006-05-26 | 2010-11-09 | De Mevergnies Michael Neve | Apparatus and method for reducing information leakage between processes sharing a cache |
| US7610448B2 (en) * | 2006-12-27 | 2009-10-27 | Intel Corporation | Obscuring memory access patterns |
-
2006
- 2006-12-27 US US11/646,642 patent/US7610448B2/en not_active Expired - Fee Related
-
2007
- 2007-12-18 DE DE602007007566T patent/DE602007007566D1/de active Active
- 2007-12-18 AT AT07254933T patent/ATE473483T1/de not_active IP Right Cessation
- 2007-12-18 EP EP07254933A patent/EP1939752B1/de not_active Not-in-force
- 2007-12-27 CN CN2007103035587A patent/CN101231621B/zh not_active Expired - Fee Related
-
2009
- 2009-09-17 US US12/562,041 patent/US8078801B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE602007007566D1 (de) | 2010-08-19 |
| US7610448B2 (en) | 2009-10-27 |
| CN101231621B (zh) | 2011-10-19 |
| US8078801B2 (en) | 2011-12-13 |
| US20080162816A1 (en) | 2008-07-03 |
| EP1939752B1 (de) | 2010-07-07 |
| CN101231621A (zh) | 2008-07-30 |
| EP1939752A1 (de) | 2008-07-02 |
| US20100299479A1 (en) | 2010-11-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |