SECURING SOFTWARE

WIPO Patent Application WO2005125081

A3

Obfuscation of a software image so as to becloud the comprehension of hackers in reverse engineering pieces of software comprising the software image is provided (402). A process for determining whether the hardware resources, such as the central processing unit or the cache memory on a computing machine, belong to a class for which inhibiting software tampering is possible, is also provided (442). Thread protection inhibits tampering with various threads that execute protective pieces of software (443). Service protection inhibits tampering by allowing various unauthorized services to execute (407). Installation setup protection inhibits tampering during the installation of various pieces of software (202). Hardware protection prevents hackers from forcing various pieces of software from running on unauthorized pieces of hardware (3B).

BENNETT JULIE D (US)
WU WEI (US)
CHU FRANK NIAN-TZU (US)
FORTUNE ERIK (US)
EL-GAMMAL MOHAMMED (US)
EARNSHAW SIMON D (US)
SUWANASUK RERKBOON (US)

PCT/US2005/020638

March 23, 2006

June 10, 2005

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MICROSOFT CORP (US)
BENNETT JULIE D (US)
WU WEI (US)
CHU FRANK NIAN-TZU (US)
FORTUNE ERIK (US)
EL-GAMMAL MOHAMMED (US)
EARNSHAW SIMON D (US)
SUWANASUK RERKBOON (US)

G06F11/30; G06F12/14; G06F21/00; H04L9/00; H04L9/08; H04L9/32; (IPC1-7): H04L9/14

WO2003007571A1	2003-01-23
WO1999001815A1	1999-01-14

US20040107368A1	2004-06-03
US6236971B1	2001-05-22
US5748739A	1998-05-05
US5915019A	1999-06-22

LIBAR: "Unpacking by Code Injection", THE CODEBREAKERS-JOURNAL, vol. 1, no. 2, 2004, XP008113772, Retrieved from the Internet

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