WO1994006096A3 - Restricting and auditing the operation of a computer via a trusted path mechanism - Google Patents

Restricting and auditing the operation of a computer via a trusted path mechanism Download PDF

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Publication number
WO1994006096A3
WO1994006096A3 PCT/US1993/008119 US9308119W WO9406096A3 WO 1994006096 A3 WO1994006096 A3 WO 1994006096A3 US 9308119 W US9308119 W US 9308119W WO 9406096 A3 WO9406096 A3 WO 9406096A3
Authority
WO
WIPO (PCT)
Prior art keywords
path mechanism
trusted path
auditing
operating system
protected media
Prior art date
Application number
PCT/US1993/008119
Other languages
French (fr)
Other versions
WO1994006096A2 (en
Inventor
Homayoon Tajalli
Mark Lee Badger
David I Dalva
Stephen T Walker
Original Assignee
Trusted Information Systems In
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 Trusted Information Systems In filed Critical Trusted Information Systems In
Publication of WO1994006096A2 publication Critical patent/WO1994006096A2/en
Publication of WO1994006096A3 publication Critical patent/WO1994006096A3/en

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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
    • G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
    • G06F21/51—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems at application loading time, e.g. accepting, rejecting, starting or inhibiting executable software based on integrity or source reliability
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/007—Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/009—Trust
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2101—Auditing as a secondary aspect
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2111—Location-sensitive, e.g. geographical location, GPS
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2141—Access rights, e.g. capability lists, access control lists, access tables, access matrices

Abstract

A system and method for auditing and controlling the use of a computer. An operating system and selected programs and data, referred to as approved applications and approved data, are stored on a protected media which cannot be modified by any ordinary user or application program, regardless of operating system privilege. The protected media can be modified by the operating system, as well as by an administrator using a trusted path mechanism. The trusted path mechanism establishes a reliable communication channel between the administrater and the computer system. The present invention may be configured to collect user audit data concerning user activity and system status and to write the audit data to the protected media. Also, the present invention may be configured to limit execution of application progams to the approved applications.
PCT/US1993/008119 1992-08-31 1993-08-26 Restricting and auditing the operation of a computer via a trusted path mechanism WO1994006096A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/937,424 US5361359A (en) 1992-08-31 1992-08-31 System and method for controlling the use of a computer
US07/937,424 1992-08-31

Publications (2)

Publication Number Publication Date
WO1994006096A2 WO1994006096A2 (en) 1994-03-17
WO1994006096A3 true WO1994006096A3 (en) 1994-04-28

Family

ID=25469909

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1993/008119 WO1994006096A2 (en) 1992-08-31 1993-08-26 Restricting and auditing the operation of a computer via a trusted path mechanism

Country Status (2)

Country Link
US (1) US5361359A (en)
WO (1) WO1994006096A2 (en)

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