ES8502275A1 - Un metodo para comprobar la proteccion de una memoria de almacenamiento de informacion. - Google Patents
Un metodo para comprobar la proteccion de una memoria de almacenamiento de informacion.Info
- Publication number
- ES8502275A1 ES8502275A1 ES526027A ES526027A ES8502275A1 ES 8502275 A1 ES8502275 A1 ES 8502275A1 ES 526027 A ES526027 A ES 526027A ES 526027 A ES526027 A ES 526027A ES 8502275 A1 ES8502275 A1 ES 8502275A1
- Authority
- ES
- Spain
- Prior art keywords
- storage
- key
- circuit
- storage protection
- access request
- 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
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
-
- 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
-
- 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
- G06F12/1466—Key-lock 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)
Abstract
METODO PARA COMPROBAR LA PROTECCION DE UNA MEMORIA DE ALMACENAMIENTO DE INFORMACION Y PERFECCIONAMIENTOS EN UN SISTEMA DE COMPROBACION DE ALMACENAMIENTO.CONSISTE EN: A) PRECOMPROBAR (Z, M) EL VALOR DE LA SOLICITUD DE ACCESO (11), LUEGO DE UNA SOLICITUD DE ACCESO (10) EN LA REGION DE ALMACENAMIENTO (5); Y B) EFECTUAR EL ACCESO (20) A LA REGION DE ALMACENAMIENTO (5) SIN LEER LA CLAVE DE ALMACENAMIENTO (60) FUERA DEL ALMACENAMIENTO DE CLAVE (6), CUANDO LA CLAVE TIENE UN VALOR ESPECIFICO. CONSISTENTES EN PUERTAS LOGICAS (A1, A2, A3) DE FUNCION Y, QUE DAN UNA SEN/AL DE ADMISION DE CLAVE (41) AL ALMACENAMIENTO DE CLAVE (6), Y UN CIRCUITO O PUERTA NO (N), PERTENECIENTES AL CIRCUITO DE COMPROBACION DE PROTECCION DE ALMACENAMIENTO (4).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57170080A JPS5958700A (ja) | 1982-09-29 | 1982-09-29 | 記憶保護判定方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8502275A1 true ES8502275A1 (es) | 1984-12-16 |
ES526027A0 ES526027A0 (es) | 1984-12-16 |
Family
ID=15898265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES526027A Granted ES526027A0 (es) | 1982-09-29 | 1983-09-28 | Un metodo para comprobar la proteccion de una memoria de almacenamiento de informacion. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4954982A (es) |
EP (1) | EP0106600B1 (es) |
JP (1) | JPS5958700A (es) |
KR (1) | KR880000360B1 (es) |
AU (1) | AU545373B2 (es) |
BR (1) | BR8305341A (es) |
CA (1) | CA1208803A (es) |
DE (1) | DE3381025D1 (es) |
ES (1) | ES526027A0 (es) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5297268A (en) * | 1988-06-03 | 1994-03-22 | Dallas Semiconductor Corporation | ID protected memory with a readable/writable ID template |
KR920006770B1 (ko) * | 1988-12-27 | 1992-08-17 | 후지쓰 가부시끼가이샤 | 명령을 페치(fetch)하기 위한 제어 시스템 |
DE3901457A1 (de) * | 1989-01-19 | 1990-08-02 | Strahlen Umweltforsch Gmbh | Verfahren zur adressbereichsueberwachung bei datenverarbeitungsgeraeten in echtzeit |
US5335334A (en) * | 1990-08-31 | 1994-08-02 | Hitachi, Ltd. | Data processing apparatus having a real memory region with a corresponding fixed memory protection key value and method for allocating memories therefor |
US5163096A (en) * | 1991-06-06 | 1992-11-10 | International Business Machines Corporation | Storage protection utilizing public storage key control |
JP3006730B2 (ja) * | 1991-08-13 | 2000-02-07 | 富士ゼロックス株式会社 | 共同作業用情報処理装置及び共同作業用情報処理方法 |
JP2788836B2 (ja) * | 1992-05-15 | 1998-08-20 | インターナショナル・ビジネス・マシーンズ・コーポレイション | ディジタルコンピュータシステム |
US5475829A (en) * | 1993-03-22 | 1995-12-12 | Compaq Computer Corp. | Computer system which overrides write protection status during execution in system management mode |
US5787309A (en) * | 1996-05-23 | 1998-07-28 | International Business Machines Corporation | Apparatus for protecting storage blocks from being accessed by unwanted I/O programs using I/O program keys and I/O storage keys having M number of bits |
US5724551A (en) * | 1996-05-23 | 1998-03-03 | International Business Machines Corporation | Method for managing I/O buffers in shared storage by structuring buffer table having entries include storage keys for controlling accesses to the buffers |
US5802397A (en) * | 1996-05-23 | 1998-09-01 | International Business Machines Corporation | System for storage protection from unintended I/O access using I/O protection key by providing no control by I/O key entries over access by CP entity |
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 |
US5900019A (en) * | 1996-05-23 | 1999-05-04 | International Business Machines Corporation | Apparatus for protecting memory storage blocks from I/O accesses |
US6324537B1 (en) * | 1999-09-30 | 2001-11-27 | M-Systems Flash Disk Pioneers Ltd. | Device, system and method for data access control |
US6807620B1 (en) * | 2000-02-11 | 2004-10-19 | Sony Computer Entertainment Inc. | Game system with graphics processor |
IL148834A (en) | 2000-09-10 | 2007-03-08 | Sandisk Il Ltd | Removable, active, personal storage device, system and method |
US6809734B2 (en) | 2001-03-22 | 2004-10-26 | Sony Computer Entertainment Inc. | Resource dedication system and method for a computer architecture for broadband networks |
US7516334B2 (en) | 2001-03-22 | 2009-04-07 | Sony Computer Entertainment Inc. | Power management for processing modules |
US6826662B2 (en) | 2001-03-22 | 2004-11-30 | Sony Computer Entertainment Inc. | System and method for data synchronization for a computer architecture for broadband networks |
US7233998B2 (en) * | 2001-03-22 | 2007-06-19 | Sony Computer Entertainment Inc. | Computer architecture and software cells for broadband networks |
US7093104B2 (en) * | 2001-03-22 | 2006-08-15 | Sony Computer Entertainment Inc. | Processing modules for computer architecture for broadband networks |
US7231500B2 (en) * | 2001-03-22 | 2007-06-12 | Sony Computer Entertainment Inc. | External data interface in a computer architecture for broadband networks |
US6526491B2 (en) * | 2001-03-22 | 2003-02-25 | Sony Corporation Entertainment Inc. | Memory protection system and method for computer architecture for broadband networks |
US7024519B2 (en) * | 2002-05-06 | 2006-04-04 | Sony Computer Entertainment Inc. | Methods and apparatus for controlling hierarchical cache memory |
US8224639B2 (en) | 2004-03-29 | 2012-07-17 | Sony Computer Entertainment Inc. | Methods and apparatus for achieving thermal management using processing task scheduling |
US8265270B2 (en) * | 2007-12-05 | 2012-09-11 | Microsoft Corporation | Utilizing cryptographic keys and online services to secure devices |
MY153935A (en) | 2008-11-05 | 2015-04-15 | Basf Se | Method for producing n, n-substituted-3-aminopropan-1-ols |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3284776A (en) * | 1961-06-08 | 1966-11-08 | Decca Ltd | Data processing apparatus |
US3328765A (en) * | 1963-12-31 | 1967-06-27 | Ibm | Memory protection system |
US3328768A (en) * | 1964-04-06 | 1967-06-27 | Ibm | Storage protection systems |
US3377626A (en) * | 1966-04-01 | 1968-04-16 | Robert E. Smith | Insulated goggles |
US3576544A (en) * | 1968-10-18 | 1971-04-27 | Ibm | Storage protection system |
DE2010640A1 (de) * | 1969-05-19 | 1970-11-26 | VEB Kombinat Robotron, χ 8l42 Radeberg | Patentwesen, Ost-Berlin WPI3989O Schaltungsanordnung zur Durchführung des Speicherschutzes in Verbindung mit Kanalsteuereinheiten |
DE2047287A1 (de) * | 1969-10-27 | 1972-02-03 | Robotron Veb K | Verfahren und Schaltungsanordnung zur Durchfuhrung des Schutzes von Speicher platzen |
US3825903A (en) * | 1973-04-30 | 1974-07-23 | Ibm | Automatic switching of storage protect keys |
US4135240A (en) * | 1973-07-09 | 1979-01-16 | Bell Telephone Laboratories, Incorporated | Protection of data file contents |
JPS5247858A (en) * | 1975-10-14 | 1977-04-16 | Kobe Steel Ltd | Device for coating steel pipe |
US4037214A (en) * | 1976-04-30 | 1977-07-19 | International Business Machines Corporation | Key register controlled accessing system |
US4035779A (en) * | 1976-04-30 | 1977-07-12 | International Business Machines Corporation | Supervisor address key control system |
US4038645A (en) * | 1976-04-30 | 1977-07-26 | International Business Machines Corporation | Non-translatable storage protection control system |
JPS542026A (en) * | 1977-06-07 | 1979-01-09 | Hitachi Ltd | Memory unit |
JPS596415B2 (ja) * | 1977-10-28 | 1984-02-10 | 株式会社日立製作所 | 多重情報処理システム |
US4521846A (en) * | 1981-02-20 | 1985-06-04 | International Business Machines Corporation | Mechanism for accessing multiple virtual address spaces |
US4472790A (en) * | 1982-02-05 | 1984-09-18 | International Business Machines Corporation | Storage fetch protect override controls |
-
1982
- 1982-09-29 JP JP57170080A patent/JPS5958700A/ja active Granted
-
1983
- 1983-09-14 AU AU19124/83A patent/AU545373B2/en not_active Ceased
- 1983-09-14 CA CA000436651A patent/CA1208803A/en not_active Expired
- 1983-09-28 KR KR1019830004556A patent/KR880000360B1/ko not_active IP Right Cessation
- 1983-09-28 BR BR8305341A patent/BR8305341A/pt not_active IP Right Cessation
- 1983-09-28 ES ES526027A patent/ES526027A0/es active Granted
- 1983-09-29 DE DE8383305875T patent/DE3381025D1/de not_active Expired - Fee Related
- 1983-09-29 EP EP83305875A patent/EP0106600B1/en not_active Expired
-
1989
- 1989-02-24 US US07/315,213 patent/US4954982A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPS6235702B2 (es) | 1987-08-03 |
KR880000360B1 (ko) | 1988-03-20 |
AU545373B2 (en) | 1985-07-11 |
EP0106600B1 (en) | 1989-12-27 |
DE3381025D1 (de) | 1990-02-01 |
BR8305341A (pt) | 1984-05-08 |
ES526027A0 (es) | 1984-12-16 |
AU1912483A (en) | 1984-04-05 |
EP0106600A2 (en) | 1984-04-25 |
JPS5958700A (ja) | 1984-04-04 |
US4954982A (en) | 1990-09-04 |
EP0106600A3 (en) | 1987-01-21 |
KR840006092A (ko) | 1984-11-21 |
CA1208803A (en) | 1986-07-29 |
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