Personal computer having a security function, a method of implem

Cryptography – Key management – Having particular key generator

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Details

380 25, G06F 1300

Patent

active

058782109

ABSTRACT:
A personal computer having a security function, a security method therefor, and methods of installing and detaching a security device are provided. The personal computer includes: an input portion for inputting a password and a user's command to the personal computer; a hard disk having a boot sector without partition, which is booted in response to a booting permission signal; an output and memory portion for outputting data and storing the password; an input portion controller for controlling the input portion using a terminate-and-stay-resident (TSR) executive control program according to the requirement of the user after the hard disk is booted; a security program storing portion for storing a booting control program for generating the booting permission signal in response to an initializing signal, according to whether the password input by the user is valid and whether the hard disk is the same as that initially installed, a TSR executive control program for controlling the input portion, a history function program for storing the history of work executed by the user, and partition information of the hard disk; a security portion including a security program storing unit; and a controller for controlling the input portion, the hard disk, the output and memory portion, and the security portion, wherein the hard disk is booted in response to whether the security portion is the initially installed security portion.

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patent: 5603002 (1997-02-01), Hashimoto
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patent: 5628015 (1997-05-01), Singh

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