DE602007012519D1 - Integrierte Schaltung mit beschränktem Datenzugang - Google Patents
Integrierte Schaltung mit beschränktem DatenzugangInfo
- Publication number
- DE602007012519D1 DE602007012519D1 DE602007012519T DE602007012519T DE602007012519D1 DE 602007012519 D1 DE602007012519 D1 DE 602007012519D1 DE 602007012519 T DE602007012519 T DE 602007012519T DE 602007012519 T DE602007012519 T DE 602007012519T DE 602007012519 D1 DE602007012519 D1 DE 602007012519D1
- Authority
- DE
- Germany
- Prior art keywords
- integrated circuit
- data access
- limited data
- limited
- access
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F12/1483—Protection against unauthorised use of memory or access to memory by checking the subject access rights using an access-table, e.g. matrix or list
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Storage Device Security (AREA)
- Memory System Of A Hierarchy Structure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07251526A EP1978447B1 (de) | 2007-04-05 | 2007-04-05 | Integrierte Schaltung mit beschränktem Datenzugang |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602007012519D1 true DE602007012519D1 (de) | 2011-03-31 |
Family
ID=38473098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602007012519T Active DE602007012519D1 (de) | 2007-04-05 | 2007-04-05 | Integrierte Schaltung mit beschränktem Datenzugang |
Country Status (3)
Country | Link |
---|---|
US (1) | US8751797B2 (de) |
EP (1) | EP1978447B1 (de) |
DE (1) | DE602007012519D1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8549260B2 (en) * | 2009-01-29 | 2013-10-01 | Infineon Technologies Ag | Apparatus for processing data and method for generating manipulated and re-manipulated configuration data for processor |
US9116845B2 (en) | 2011-02-23 | 2015-08-25 | Freescale Semiconductor, Inc. | Remote permissions provisioning for storage in a cache and device therefor |
US8949551B2 (en) | 2011-02-23 | 2015-02-03 | Freescale Semiconductor, Inc. | Memory protection unit (MPU) having a shared portion and method of operation |
US8639895B2 (en) | 2011-07-14 | 2014-01-28 | Freescale Semiconductor, Inc. | Systems and methods for memory region descriptor attribute override |
KR101927435B1 (ko) * | 2011-12-22 | 2018-12-11 | 삼성전자주식회사 | 전자 장치 및 그 제어 방법 |
GB2503470B (en) * | 2012-06-27 | 2014-08-13 | Nordic Semiconductor Asa | Memory protection |
US20140195747A1 (en) * | 2013-01-08 | 2014-07-10 | Greentec-Usa, Inc. | Write Once Read Many Media Systems |
US9792222B2 (en) * | 2014-06-27 | 2017-10-17 | Intel Corporation | Validating virtual address translation by virtual machine monitor utilizing address validation structure to validate tentative guest physical address and aborting based on flag in extended page table requiring an expected guest physical address in the address validation structure |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0685156B2 (ja) * | 1985-05-24 | 1994-10-26 | 株式会社日立製作所 | アドレス変換装置 |
KR950006590B1 (ko) * | 1986-11-14 | 1995-06-19 | 가부시기가이샤 히다찌세이사꾸쇼 | 캐시 메모리를 갖는 마이크로 프로세서 |
DE4115152C2 (de) | 1991-05-08 | 2003-04-24 | Gao Ges Automation Org | Kartenförmiger Datenträger mit einer datenschützenden Mikroprozessorschaltung |
JPH10228421A (ja) | 1997-02-14 | 1998-08-25 | Nec Ic Microcomput Syst Ltd | メモリアクセス制御回路 |
JPH1124929A (ja) * | 1997-06-30 | 1999-01-29 | Sony Corp | 演算処理装置およびその方法 |
US6745306B1 (en) * | 1999-07-29 | 2004-06-01 | Microsoft Corporation | Method and system for restricting the load of physical address translations of virtual addresses |
US6292874B1 (en) | 1999-10-19 | 2001-09-18 | Advanced Technology Materials, Inc. | Memory management method and apparatus for partitioning homogeneous memory and restricting access of installed applications to predetermined memory ranges |
US6986052B1 (en) * | 2000-06-30 | 2006-01-10 | Intel Corporation | Method and apparatus for secure execution using a secure memory partition |
EP2228988B1 (de) * | 2003-08-15 | 2012-02-08 | STMicroelectronics (Research & Development) Limited | Datenspeicher mit beschränktem Zugang |
EP1548537A1 (de) * | 2003-12-23 | 2005-06-29 | STMicroelectronics Limited | Anordnung für Gesicherten Prozessor |
WO2006056988A2 (en) * | 2004-11-24 | 2006-06-01 | Discretix Technologies Ltd. | System, method and apparatus of securing an operating system |
-
2007
- 2007-04-05 DE DE602007012519T patent/DE602007012519D1/de active Active
- 2007-04-05 EP EP07251526A patent/EP1978447B1/de active Active
-
2008
- 2008-04-07 US US12/082,046 patent/US8751797B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP1978447B1 (de) | 2011-02-16 |
EP1978447A1 (de) | 2008-10-08 |
US8751797B2 (en) | 2014-06-10 |
US20080250228A1 (en) | 2008-10-09 |
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