ES2113468T3 - Un dispositivo para cifrar y descifrar datos, por medio del algoritmo des que deben escribirse o leerse de un disco duro. - Google Patents

Un dispositivo para cifrar y descifrar datos, por medio del algoritmo des que deben escribirse o leerse de un disco duro.

Info

Publication number
ES2113468T3
ES2113468T3 ES93200470T ES93200470T ES2113468T3 ES 2113468 T3 ES2113468 T3 ES 2113468T3 ES 93200470 T ES93200470 T ES 93200470T ES 93200470 T ES93200470 T ES 93200470T ES 2113468 T3 ES2113468 T3 ES 2113468T3
Authority
ES
Spain
Prior art keywords
data words
encrypting
word width
written
data
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 - Lifetime
Application number
ES93200470T
Other languages
English (en)
Inventor
Rumpt Harm Wouter Van
Maanen Jan Van
Nicolaas Johannes Maria Opdam
Willem Jan Vervoorn
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.)
Tulip Computers International BV
Original Assignee
Tulip Computers International BV
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 Tulip Computers International BV filed Critical Tulip Computers International BV
Application granted granted Critical
Publication of ES2113468T3 publication Critical patent/ES2113468T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F21/80—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 in storage media based on magnetic or optical technology, e.g. disks with sectors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules

Abstract

SE PRESENTA UN DISPOSITIVO PARA CIFRAR O DESCIFRAR CON LA AYUDA DEL ALGORITMO DES LOS DATOS QUE SE VA A ESCRIBIR O LEER EN UN DISCO DURO, EN EL QUE LA ENTRADA DE UN DISPOSITIVO CIFRADOR DES (25) SE ACOPLA A TRAVES DE UN CONVERSOR (26) PARA CONVERTIR LAS PALABRAS DE DATOS QUE TENGAN UN ANCHO DE PALABRA DE 16 BITS EN PALABRAS DE DATOS QUE TENGAN UN ANCHO DE PALABRA DE 64 BITS, A UN BUS PARA TRANSFERIR LAS PALABRAS DE DATOS QUE TENGAN UN ANCHO DE PALABRA DE 16 BITS HACIA Y DESDE UNA UNIDAD CENTRAL DE PROCESO, Y A UN BUS PARA TRANSFERIR LAS PALABRAS DE DATOS QUE TENGAN UN ANCHO DE PALABRA DE 16 BITS HACIA Y DESDE UNA UNIDAD DE ALMACENAMIENTO EN DISCO Y EN EL QUE LA SALIDA DEL DISPOSITIVO CIFRADOR DES ESTA ACOPLADA, A TRAVES DE UN MULTIPLEXOR (27) PARA CONVERTIR LAS PALABRAS DE DATOS QUE TENGAN UN ANCHO DE PALABRA DE 64 BITS EN PALABRAS DE DATOS QUE TENGAN UN ANCHO DE PALABRA DE 16 BITS, AL BUS DE LA UNIDAD DE LA UNIDAD CENTRAL DE PROCESO Y AL BUS DE LA UNIDAD DE ALMACENAMIENTO EN DISCO.
ES93200470T 1992-02-18 1993-02-18 Un dispositivo para cifrar y descifrar datos, por medio del algoritmo des que deben escribirse o leerse de un disco duro. Expired - Lifetime ES2113468T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9200296A NL9200296A (nl) 1992-02-18 1992-02-18 Inrichting voor het door middel van het des algoritme vercijferen en ontcijferen van data naar en van een harde geheugenschijf.

Publications (1)

Publication Number Publication Date
ES2113468T3 true ES2113468T3 (es) 1998-05-01

Family

ID=19860450

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93200470T Expired - Lifetime ES2113468T3 (es) 1992-02-18 1993-02-18 Un dispositivo para cifrar y descifrar datos, por medio del algoritmo des que deben escribirse o leerse de un disco duro.

Country Status (6)

Country Link
US (1) US5513262A (es)
EP (1) EP0556928B1 (es)
DE (1) DE69316046T2 (es)
DK (1) DK0556928T3 (es)
ES (1) ES2113468T3 (es)
NL (1) NL9200296A (es)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2080674B1 (es) * 1994-01-04 1998-02-01 Mantenimiento Informatico Sur Tarjeta encriptadora de datos en diskette.
US5812663A (en) * 1994-12-29 1998-09-22 Fujitsu Limited Data reproducing device
US5651064A (en) * 1995-03-08 1997-07-22 544483 Alberta Ltd. System for preventing piracy of recorded media
KR100281869B1 (ko) * 1995-07-28 2001-02-15 윤종용 보안 기능을 갖는 개인용 컴퓨터, 그의 보안 방법 및 그 보안 장치의 설치 및 제거방법
DE19531829C2 (de) * 1995-08-15 1997-08-28 Stefan Hahn Verfahren und Vorrichtung zur Impulswahlerkennung bei bestehender Gesprächsverbindung
US5892826A (en) * 1996-01-30 1999-04-06 Motorola, Inc. Data processor with flexible data encryption
US5768372A (en) * 1996-03-13 1998-06-16 Altera Corporation Method and apparatus for securing programming data of a programmable logic device
US6199163B1 (en) * 1996-03-26 2001-03-06 Nec Corporation Hard disk password lock
KR100448929B1 (ko) * 1997-04-09 2004-12-29 삼성전자주식회사 하드디스크드라이브의데이터보호장치
US6243470B1 (en) 1998-02-04 2001-06-05 International Business Machines Corporation Method and apparatus for advanced symmetric key block cipher with variable length key and block
US6192129B1 (en) 1998-02-04 2001-02-20 International Business Machines Corporation Method and apparatus for advanced byte-oriented symmetric key block cipher with variable length key and block
US6189095B1 (en) 1998-06-05 2001-02-13 International Business Machines Corporation Symmetric block cipher using multiple stages with modified type-1 and type-3 feistel networks
TW375721B (en) * 1998-06-17 1999-12-01 Ind Tech Res Inst DES chip processor capable of executing data encryption standard (DES) operation
US6473861B1 (en) 1998-12-03 2002-10-29 Joseph Forte Magnetic optical encryption/decryption disk drive arrangement
US6857076B1 (en) 1999-03-26 2005-02-15 Micron Technology, Inc. Data security for digital data storage
US7096370B1 (en) * 1999-03-26 2006-08-22 Micron Technology, Inc. Data security for digital data storage
KR100316025B1 (ko) * 1999-06-30 2001-12-12 박종섭 데이터 암호 표준 알고리즘을 이용한 암호 및 복호 장치
US7278016B1 (en) * 1999-10-26 2007-10-02 International Business Machines Corporation Encryption/decryption of stored data using non-accessible, unique encryption key
WO2001037566A1 (fr) * 1999-11-17 2001-05-25 Sony Corporation Procede et appareil pour le traitement de signaux numeriques
KR100380638B1 (ko) * 2000-05-18 2003-04-16 강정용 병렬 Ｆｅｉｓｔｅｌ 구조를 가진 데이터 암호 표준화시스템
US7484081B1 (en) 2000-10-10 2009-01-27 Altera Corporation Method and apparatus for protecting designs in SRAM-based programmable logic devices
US7900057B2 (en) * 2000-11-03 2011-03-01 Enova Technology Corporation Cryptographic serial ATA apparatus and method
US7386734B2 (en) * 2000-11-03 2008-06-10 Enova Technology Corporation Real time data encryption/decryption system and method for IDE/ATA data transfer
US7136995B1 (en) * 2000-11-03 2006-11-14 Enova Technology Corporation Cryptographic device
US7526795B2 (en) * 2001-03-27 2009-04-28 Micron Technology, Inc. Data security for digital data storage
CN1592877B (zh) 2001-09-28 2010-05-26 高密度装置公司 用于对大容量存储设备上数据加密/解密的方法和装置
US7103180B1 (en) * 2001-10-25 2006-09-05 Hewlett-Packard Development Company, L.P. Method of implementing the data encryption standard with reduced computation
CN1165002C (zh) * 2001-12-05 2004-09-01 张成君 用于电脑可携式盒体的资料加/解密装置
US7076059B1 (en) * 2002-01-17 2006-07-11 Cavium Networks Method and apparatus to implement the data encryption standard algorithm
FR2853098B1 (fr) * 2003-03-24 2005-07-01 Innova Card Circuit pourvu d'un acces externe securise
US7987497B1 (en) * 2004-03-05 2011-07-26 Microsoft Corporation Systems and methods for data encryption using plugins within virtual systems and subsystems
US7162647B2 (en) * 2004-03-11 2007-01-09 Hitachi, Ltd. Method and apparatus for cryptographic conversion in a data storage system
US8566616B1 (en) 2004-09-10 2013-10-22 Altera Corporation Method and apparatus for protecting designs in SRAM-based programmable logic devices and the like
US8612772B1 (en) 2004-09-10 2013-12-17 Altera Corporation Security core using soft key
JP2006140625A (ja) * 2004-11-10 2006-06-01 Toshiba Corp 情報処理装置
US8108693B2 (en) 2005-04-01 2012-01-31 Ged-I Ltd. Method for data storage protection and encryption
US7886158B2 (en) * 2005-09-08 2011-02-08 Hitachi, Ltd. System and method for remote copy of encrypted data
JP2008269246A (ja) * 2007-04-19 2008-11-06 Oki Data Corp 画像形成装置
US9305590B2 (en) * 2007-10-16 2016-04-05 Seagate Technology Llc Prevent data storage device circuitry swap
US9773431B2 (en) * 2009-11-10 2017-09-26 Maxim Integrated Products, Inc. Block encryption security for integrated microcontroller and external memory system
US8736299B1 (en) 2011-04-29 2014-05-27 Altera Corporation Setting security features of programmable logic devices
US8719957B2 (en) 2011-04-29 2014-05-06 Altera Corporation Systems and methods for detecting and mitigating programmable logic device tampering
US8627105B2 (en) 2011-04-29 2014-01-07 Altera Corporation Method and apparatus for securing programming data of a programmable device
US8461863B2 (en) 2011-04-29 2013-06-11 Altera Corporation Method and apparatus for securing a programmable device using a kill switch
US9026873B2 (en) 2013-07-23 2015-05-05 Altera Coporation Method and apparatus for securing configuration scan chains of a programmable device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4780905A (en) * 1984-11-26 1988-10-25 Nightwatch, Inc. Computer data encryption system
JPS6226561A (ja) * 1985-07-26 1987-02-04 Toshiba Corp パ−ソナルコンピユ−タ
US5008935A (en) * 1989-06-30 1991-04-16 At&T Bell Laboratories Efficient method for encrypting superblocks of data
US5283828A (en) * 1991-03-01 1994-02-01 Hughes Training, Inc. Architecture for utilizing coprocessing systems to increase performance in security adapted computer systems
US5349642A (en) * 1992-11-03 1994-09-20 Novell, Inc. Method and apparatus for authentication of client server communication

Also Published As

Publication number Publication date
EP0556928B1 (en) 1998-01-07
DK0556928T3 (da) 1998-09-07
EP0556928A1 (en) 1993-08-25
DE69316046D1 (de) 1998-02-12
DE69316046T2 (de) 1998-08-20
NL9200296A (nl) 1993-09-16
US5513262A (en) 1996-04-30

Similar Documents

Publication Publication Date Title
ES2113468T3 (es) Un dispositivo para cifrar y descifrar datos, por medio del algoritmo des que deben escribirse o leerse de un disco duro.
AR012798A1 (es) Circuito para reducir el efecto de ruido en senales, aparato procesador de senales, disposicion de computacion y metodo, que emplean el circuito
IE870310L (en) Dual byte order computer architecture
TW355843B (en) Semiconductor memory device
ES2095841T3 (es) Aparato y metodo para el proceso de imagenes.
MX167721B (es) Ducto multiple de datos, sincrono/asincrono
BR9813190A (pt) Processo e aparelho para comutar dados
AR241397A1 (es) Un controlador de e/s de un dispositivo de computacion de multiples memorias.
FR2626693B1 (fr) Dispositif et procede a memoire tampon, notamment pour la transposition matricielle ligne-colonne de sequences de donnees
ES2079249T3 (es) Dispositivo de guia de estribo deslizante para freno de disco.
BR9807593A (pt) Dispositivos e processos para codificar um fluxo de bits de dados de um sinal fonte binário em um fluxo de bits de dados de um sinal de canal binário e para decodificar um fluxo de bits de dados de um sinal de canal binário em um fluxo de bits de dados de um sinal fonte binário, e, dispositivo e suporte de gravação
BR9713729A (pt) Codificação de nìveis múltiplos
ES2053318T3 (es) Herramienta para la mecanizacion de taladros.
ES2175733T3 (es) Instalacion de seguimiento de botellas de gas.
BR0006539A (pt) Dispositivo de transformação rápida hadamard
ES2091427T3 (es) Dispositivo de tratamiento de las informaciones relativas a las averias detectadas por una o varias unidades centrales de un aeronave.
AR022561A1 (es) MÉTODO PARA ALMACENAR UNA ID DE DISCO EN UN PORTADOR DE GRABACIoN, EL DISPOSITIVO PARA LEER EL PORTADOR, EL DISPOSITIVO PARA ESCRIBIR EN EL MISMO Y EL PORTADOR OBTENIDO.
ES2115775T3 (es) Dispositivo y metodo de almacenaje termico.
TW355763B (en) A collect all transfers buffering mechanism utilizing passive release for a multiple bus environment
ES2095209T3 (es) Sistema de tratamiento de actualizacion para un cajero automatico.
ATE68288T1 (de) Mehrstufige integrierte dekodereinrichtung.
ES2192526T3 (es) Memoria de datos y procedimiento para escribir informacion en una memoria de datos.
Kamwangamalu Some morphosyntactic aspects of French/English-Bantu code-mixing: evidence for universal constraints
BR9101260A (pt) Sistema de armazenamento em disco
ES2177313T3 (es) Circuito de interfaz y procedimiento para la transmision de datos entre un interfaz en serie y un procesador.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 556928

Country of ref document: ES