KR900014993A - Method for building safety system of personal computer and its device - Google Patents

Method for building safety system of personal computer and its device Download PDF

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Publication number
KR900014993A
KR900014993A KR1019890003125A KR890003125A KR900014993A KR 900014993 A KR900014993 A KR 900014993A KR 1019890003125 A KR1019890003125 A KR 1019890003125A KR 890003125 A KR890003125 A KR 890003125A KR 900014993 A KR900014993 A KR 900014993A
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South Korea
Prior art keywords
memory
personal computer
function
encryption
user
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KR1019890003125A
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Korean (ko)
Inventor
안세기
문영란
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강태헌
한국컴퓨터통신 주식회사
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Priority to KR1019890003125A priority Critical patent/KR900014993A/en
Publication of KR900014993A publication Critical patent/KR900014993A/en

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Abstract

내용 없음.No content.

Description

개인용 컴퓨터의 안전 체계 구축 방법 및 그 장치Method for building safety system of personal computer and its device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2 는 본 발명의 안전체계 구축방법의 전체적 블럭도,2 is an overall block diagram of a method for constructing a safety system of the present invention;

제3도는 본 발명에 의한 개인용 컴퓨터의 안전체계구축을 위한 장치의 블럭도,3 is a block diagram of an apparatus for building a safety system of a personal computer according to the present invention;

제4도는 본 발명에 따른 안전장치에 의한 개인용 컴퓨터의 시동(booting)순선를 나타낸 흐름도.4 is a flowchart showing a booting sequence of a personal computer by the safety device according to the present invention.

Claims (5)

ROM BIOS의 확장ROM 체크 루틴에서 안전 장치의 제1 메모리의 프로그램이 실행되어 키보드로부터 사용자의 신원과 패스워드를 입력 받아 비교한 후, 인가된 사용자인 경우 시스템 관리자와 일반 사용자를 구분하여 제2 메모리의 현 사용자 버퍼(current user buffer)에 기록하며 제2 메모리의 사용내역 버퍼에는 사용자의 신원과 개인용 컴퓨터의 시동시간을 기록한 체로 개인용 컴퓨터가 시동되도록 하며, 비인가 사용자에 대하여는 사용자 신원 및 패스워드를 미리 결정된 횟수만큼 재입력할 수 있는 기회를 부여하되 재입력 횟수가 소정 횟수를 초과할 시에는 경고음과 경고문을 발생함과 동시에 개인용 컴퓨터를 정지하도록 제어함을 특정으로 하는 개인용 컴퓨터의 안전체계 구축방법.In the extended ROM check routine of the ROM BIOS, a program of the first memory of the safety device is executed, and the user's identity and password are inputted from the keyboard and compared with each other. It records in the current user buffer and records the user's identity and personal computer's startup time in the usage history buffer of the second memory. The user's identity and password are determined a predetermined number of times for unauthorized users. A method of constructing a safety system of a personal computer, characterized by providing a chance to re-enter as many as possible, but when the number of times of re-entry exceeds a predetermined number of times, generates a beep and a warning and stops the personal computer. 제1항에 있어, 개인용 컴퓨터가 시동된 후에 디스크 오퍼레이팅 시스템 상에서 작성된 정보 파일에 대한 안전체계 구현과정 중 인증가능, 암호화/해독기능, 록/록해제 기능 및 사용내역 감찰 기능들을 수행함에 있어 안전 장치의 상기한 제2 메모리내의 패스워드 버퍼, 현사용자 버퍼, 사용내역 버퍼등과 상호 연통(intercommunication)되어 상기한 기능들이 수행되도록 함과 동시에, 상기한 사용내역 감찰기능 중의 리얼 타임 초기화 기능에 의해 안전장치의 리얼타임클럭이 초기화 되도록 한 것을 특징으로 하는 개인용 컴퓨터의 안전체계 구축방법.The safety device of claim 1, wherein the safety device is configured to perform authentication, encryption / decryption function, lock / unlock function, and history inspection function during the implementation of the security system for the information file created on the disk operating system after the personal computer is started. The safety device is interlocked with the password buffer, the current user buffer, the usage history buffer, and the like in the second memory of the second memory to perform the above functions, and by the real time initialization function of the usage history monitoring function. How to build a personal computer safety system, characterized in that the real-time clock of the initialization. 제2항에 있어서, 암호와 기능은 암호와 메인키를 생성 유지하는 키 생성과정과, 암호화 관리를 위한 테이블조작 과정과, 상기한 메인키에 의해 서브키 테이블들로부터 서부키들을 추출하는 키 조작 과정과, 교체 암호와 및 비트조작에 의해 암호화를 실행하는 과정등으로 이루어지며, 해독 기능은 상기한 암호화 과정의 역순으로 수행됨을 특징으로 하는 개인용 컴퓨터의 안전체계 구축방법.The method of claim 2, wherein the encryption and the function include a key generation process for generating and maintaining a password and a main key, a table operation process for encryption management, and a key operation for extracting western keys from subkey tables by the main key. And a process of executing encryption by replacement encryption and bit manipulation, and the decryption function is performed in the reverse order of the above encryption process. 메모리 어드레스 및 I/O장치 어드레스를 지정하기 위한 수단(30)(35)과, 개인용 컴퓨터 본체(10)로 부터 시스템 버스를 통하여 전달된 어드레스를 상기한 어드레스 지정수단(30)(35)로부터 인가된 어드레스와 서로 비교하여 어느 한 영역의 메모리나 I/O장치를 선택하는 메모리 어드레스 비교부(40) 및 I/O 어드레스 비교부(45)와, 개인용 컴퓨터의 시동시 안전체계 프로그램(제5도)을 저장하고 있는 제1 메모리(50)와, 개인용 컴퓨터의 운영체제로서의 디스크 오퍼레이팅 시스템(DOS)과 이 DOS상에서 사용자가 작성한 정보 파일 및 이정보파일을 보호하기 위한 프로그램(제7도)을 저장하고 있는 주변기억 장치(90)와, 상기한 정보파일 보호 프로그램(제7도)의 기능 중 인증기능과 관련한 사용자 신원 및 패스워드, 암호화/해독 및 록/록해제 기능과 관련한 현 사용자 패스워드와 암호화 키, 사용내역 감찰기능과 관련한 사용내역을 저장하고 있는 제2 메모리(60)와, 인가된 사용자에 의해 컴퓨터가 시동된 실시간을 상기한 제2 메모리에 통보하며, 상기한 사용내역 감찰기능중 클릭 초기화 기능에 의해 시간 조정이 이루어지는 리얼타임 클릭(70)으로 구성되는 것을 특징으로 하는 개인용 컴퓨터의 안전장치.Means 30 and 35 for specifying a memory address and an I / O device address, and an address transferred from the personal computer main body 10 through the system bus from the addressing means 30 and 35 described above. A memory address comparison section 40 and an I / O address comparison section 45 for selecting a memory or an I / O device in one region by comparison with the received addresses, and a safety system program at startup of a personal computer (FIG. 5). 1) a first memory (50) storing a disc), a disk operating system (DOS) as an operating system of a personal computer, an information file created by a user on this DOS, and a program for protecting the information file (Fig. 7). Among the functions of the peripheral storage device 90 and the above-described information file protection program (FIG. 7), the user's identity and password related to the authentication function, and the current user's pass regarding the encryption / decryption and lock / unlock functions. A second memory 60 which stores usage information related to the card, the encryption key, and the usage history monitoring function, and notifies the second memory of the real time that the computer is started by an authorized user. Safety device of a personal computer, characterized in that consisting of a real-time click (70) is adjusted by the click initialization function of the function. 제4항에 있어서, 제1 메모리(50)는 소거가능한 프로그래머블 읽기전용 메모리(EPROM)으로, 제2메모리(60)는 전기적으로 소거 가능한 프로그래머블 읽기 전용 메모리(EPROM)으로 구성된 것을 특징으로 하는 개인용 컴퓨터의 안전장치.5. The personal computer of claim 4 wherein the first memory 50 comprises an erasable programmable read only memory (EPROM) and the second memory 60 comprises an electrically erasable programmable read only memory (EPROM). Safety device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890003125A 1989-03-14 1989-03-14 Method for building safety system of personal computer and its device KR900014993A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000047225A (en) * 1998-12-31 2000-07-25 강병호 Device and way for security of personal computer
KR100417412B1 (en) * 2001-08-02 2004-02-05 엘지전자 주식회사 Password protecting method
KR100489793B1 (en) * 2002-11-15 2005-05-16 엘지전자 주식회사 Method and system of warning approach of stranger for computer system
KR100487509B1 (en) * 1998-06-27 2005-06-08 삼성전자주식회사 a computer system having an encoded password display function and control method thereof
KR100889099B1 (en) * 2001-08-28 2009-03-17 시게이트 테크놀로지 엘엘씨 Data storage device security method and apparatus
KR20190033413A (en) * 2017-09-21 2019-03-29 도시바 메모리 가부시키가이샤 Storage device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100487509B1 (en) * 1998-06-27 2005-06-08 삼성전자주식회사 a computer system having an encoded password display function and control method thereof
KR20000047225A (en) * 1998-12-31 2000-07-25 강병호 Device and way for security of personal computer
KR100417412B1 (en) * 2001-08-02 2004-02-05 엘지전자 주식회사 Password protecting method
KR100889099B1 (en) * 2001-08-28 2009-03-17 시게이트 테크놀로지 엘엘씨 Data storage device security method and apparatus
KR100489793B1 (en) * 2002-11-15 2005-05-16 엘지전자 주식회사 Method and system of warning approach of stranger for computer system
KR20190033413A (en) * 2017-09-21 2019-03-29 도시바 메모리 가부시키가이샤 Storage device
US11360680B2 (en) 2017-09-21 2022-06-14 Kioxia Corporation Storage device

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