WO2003009114A3 - Protecting software applications against software piracy - Google Patents

Protecting software applications against software piracy Download PDF

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Publication number
WO2003009114A3
WO2003009114A3 PCT/US2002/022694 US0222694W WO03009114A3 WO 2003009114 A3 WO2003009114 A3 WO 2003009114A3 US 0222694 W US0222694 W US 0222694W WO 03009114 A3 WO03009114 A3 WO 03009114A3
Authority
WO
WIPO (PCT)
Prior art keywords
software
piracy
protecting
application module
rewritten
Prior art date
Application number
PCT/US2002/022694
Other languages
French (fr)
Other versions
WO2003009114A2 (en
Inventor
Michael D Smith
Vasanth Bala
Original Assignee
Liquid Machines Inc
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 Liquid Machines Inc filed Critical Liquid Machines Inc
Priority to DE60232661T priority Critical patent/DE60232661D1/en
Priority to AT02752401T priority patent/ATE434209T1/en
Priority to EP02752401A priority patent/EP1410150B1/en
Publication of WO2003009114A2 publication Critical patent/WO2003009114A2/en
Publication of WO2003009114A3 publication Critical patent/WO2003009114A3/en

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
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/12—Protecting executable software
    • G06F21/121—Restricting unauthorised execution of programs
    • G06F21/125—Restricting unauthorised execution of programs by manipulating the program code, e.g. source code, compiled code, interpreted code, machine code
    • 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
    • G06F2221/2103—Challenge-response

Abstract

An application module is rewritten by overwriting executable code at identified authorization points with control transfers to a managed challenge system such that a rewritten application module results. The managed challenge system is constructed to include the overwritten executable code, and performs an authorization check upon acquiring control from an authorization point. The managed challenge system is linked to the rewritten application module.
PCT/US2002/022694 2001-07-17 2002-07-17 Protecting software applications against software piracy WO2003009114A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE60232661T DE60232661D1 (en) 2001-07-17 2002-07-17 Erie
AT02752401T ATE434209T1 (en) 2001-07-17 2002-07-17 PROTECTING APPLICATION SOFTWARE AGAINST SOFTWARE PIRATERY
EP02752401A EP1410150B1 (en) 2001-07-17 2002-07-17 Protecting software applications against software piracy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30608801P 2001-07-17 2001-07-17
US60/306,088 2001-07-17

Publications (2)

Publication Number Publication Date
WO2003009114A2 WO2003009114A2 (en) 2003-01-30
WO2003009114A3 true WO2003009114A3 (en) 2003-12-18

Family

ID=23183741

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/022694 WO2003009114A2 (en) 2001-07-17 2002-07-17 Protecting software applications against software piracy

Country Status (5)

Country Link
US (1) US7111285B2 (en)
EP (1) EP1410150B1 (en)
AT (1) ATE434209T1 (en)
DE (1) DE60232661D1 (en)
WO (1) WO2003009114A2 (en)

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Also Published As

Publication number Publication date
WO2003009114A2 (en) 2003-01-30
US7111285B2 (en) 2006-09-19
DE60232661D1 (en) 2009-07-30
ATE434209T1 (en) 2009-07-15
EP1410150B1 (en) 2009-06-17
US20030018906A1 (en) 2003-01-23
EP1410150A2 (en) 2004-04-21

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