ES8403641A1 - Perfeccionamientos en un sistema para controlar una unidad de almacenamiento de claves en un aparato de proceso de datos. - Google Patents

Perfeccionamientos en un sistema para controlar una unidad de almacenamiento de claves en un aparato de proceso de datos.

Info

Publication number
ES8403641A1
ES8403641A1 ES520118A ES520118A ES8403641A1 ES 8403641 A1 ES8403641 A1 ES 8403641A1 ES 520118 A ES520118 A ES 520118A ES 520118 A ES520118 A ES 520118A ES 8403641 A1 ES8403641 A1 ES 8403641A1
Authority
ES
Spain
Prior art keywords
storage unit
key
unit
key storage
controlling key
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
Application number
ES520118A
Other languages
English (en)
Other versions
ES520118A0 (es
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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
Priority claimed from JP57031201A external-priority patent/JPS58150195A/ja
Priority claimed from JP57031326A external-priority patent/JPS58150196A/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of ES8403641A1 publication Critical patent/ES8403641A1/es
Publication of ES520118A0 publication Critical patent/ES520118A0/es
Granted legal-status Critical Current

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
    • G06F12/1458—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)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)

Abstract

3(57)SISTEMA DE CONTROL DE UNIDAD DE ALMACENAMIENTO DE CLAVES EN EQUIPOS DE PROCESO DE DATOS.SE CARACTERIZA PORQUE UNA SOLICITUD DE ACCESO A LA UNIDAD DE ALMACENAMIENTO DE CLAVES, CON EL MISMO CONTENIDO QUE CUALQUIER OTRA YA REGISTRADA EN LA FILA DE ESPERA DE CLAVES, SE DETIENE PARA QUE NO SE REGISTRE EN LA FILA DE ESPERA DE CLAVES. SE REDUCE ASI LA FRECUENCIA DE ACCESO A LA UNIDAD DE ALMACENAMIENTO, Y EL ALMACENAMIENTO DE CLAVES PUEDE SER CONSTRUIDO EMPLEANDO UN DISPOSITIVO DE MEMORIA QUE TENGA EL MISMO TIEMPO DE ACCESO QUE LA UNIDAD DE ALMACENAMIENTOPRINCIPAL.
ES520118A 1982-02-27 1983-02-25 Perfeccionamientos en un sistema para controlar una unidad de almacenamiento de claves en un aparato de proceso de datos. Granted ES520118A0 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57031201A JPS58150195A (ja) 1982-02-27 1982-02-27 主記憶キ−制御方式
JP57031326A JPS58150196A (ja) 1982-02-27 1982-02-27 主記憶キ−の更新制御方式

Publications (2)

Publication Number Publication Date
ES8403641A1 true ES8403641A1 (es) 1984-03-16
ES520118A0 ES520118A0 (es) 1984-03-16

Family

ID=26369651

Family Applications (1)

Application Number Title Priority Date Filing Date
ES520118A Granted ES520118A0 (es) 1982-02-27 1983-02-25 Perfeccionamientos en un sistema para controlar una unidad de almacenamiento de claves en un aparato de proceso de datos.

Country Status (7)

Country Link
US (1) US4589064A (es)
EP (1) EP0087956B1 (es)
AU (1) AU542447B2 (es)
BR (1) BR8300977A (es)
CA (1) CA1199124A (es)
DE (1) DE3381123D1 (es)
ES (1) ES520118A0 (es)

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US5943422A (en) 1996-08-12 1999-08-24 Intertrust Technologies Corp. Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels
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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
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
US5920861A (en) * 1997-02-25 1999-07-06 Intertrust Technologies Corp. Techniques for defining using and manipulating rights management data structures
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US7092914B1 (en) 1997-11-06 2006-08-15 Intertrust Technologies Corporation Methods for matching, selecting, narrowcasting, and/or classifying based on rights management and/or other information
US6112181A (en) * 1997-11-06 2000-08-29 Intertrust Technologies Corporation Systems and methods for matching, selecting, narrowcasting, and/or classifying based on rights management and/or other information
US7233948B1 (en) 1998-03-16 2007-06-19 Intertrust Technologies Corp. Methods and apparatus for persistent control and protection of content
US7430670B1 (en) 1999-07-29 2008-09-30 Intertrust Technologies Corp. Software self-defense systems and methods
US7243236B1 (en) 1999-07-29 2007-07-10 Intertrust Technologies Corp. Systems and methods for using cryptography to protect secure and insecure computing environments
US6807620B1 (en) * 2000-02-11 2004-10-19 Sony Computer Entertainment Inc. Game system with graphics processor
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
US6809734B2 (en) 2001-03-22 2004-10-26 Sony Computer Entertainment Inc. Resource dedication system and method for a computer architecture for broadband networks
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
US7231500B2 (en) * 2001-03-22 2007-06-12 Sony Computer Entertainment Inc. External data interface in a computer architecture for broadband networks
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Also Published As

Publication number Publication date
EP0087956A2 (en) 1983-09-07
US4589064A (en) 1986-05-13
ES520118A0 (es) 1984-03-16
BR8300977A (pt) 1983-11-16
AU542447B2 (en) 1985-02-21
CA1199124A (en) 1986-01-07
AU1180083A (en) 1983-09-01
EP0087956A3 (en) 1985-11-06
EP0087956B1 (en) 1990-01-17
DE3381123D1 (de) 1990-02-22

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970401