Patent SG-11201809872T-A (SG)
Title: Using hardware based secure isolated region to prevent piracy and cheating on electronic devices
Inventor: CHEN LING TONY
IPC: G06F21/74
Filed: 2017-05-18
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property C.--.` Organization 03 MD 1101111 0 111010101111101011111 0 01010 11111111 1111111111111111111111111111111 International Bureau (10) International Publication Number (43) International Publication Date .../- WO 2017/205155 Al 30 November 2017 (30.11.2017) WIPO I PCT (51) International Patent Classification: (81) Designated States (unless otherwise indicated, for every GOOF 21/74 (2013.01) kind of national protection available): AE, AG, AL, AM, (21) International Application Number: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, PCT/US2017/033198 CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, (22) International Filing Date: HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, 18 May 2017 (18.05.2017) KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, (25) Filing Language: English PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, (26) Publication Language: English SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, (30) Priority Data: TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. 15/163,443 24 May 2016 (24.05.2016) US (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, (71) Applicant: MICROSOFT TECHNOLOGY LI- GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, CENSING, LLC [US/US]; Attn: Patent Group Docketing UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, Washing- (Bldg. 8/1000), One Microsoft Way, Redmond, Washing- TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, ton 98052-6399 (US). EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, (72) Inventor: CHEN, Ling Tony; Microsoft Technology MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, Licensing, LLC, Attn: Patent Group Docketing (Bldg. TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, _ 8/1000), One Microsoft Way, Redmond, Washington KM, ML, MR, NE, SN, TD, TG). — 98052-6399 (US). = (74) Agent: MINHAS, Sandip et al.; Microsoft Corporation, = Attn: Patent Group Docketing (Bldg. 8/1000), One Mi- crosoft Way, Redmond, Washington 98052-6399 (US). = (54) Title: USING HARDWARE BASED SECURE ISOLATED REGION TO PREVENT PIRACY AND CHEATING ON ELEC- TRONIC DEVICES — — (57) : System and methods for using secure isolated technology to prevent =1WTh4 piracy and cheating on electronic devices. In some examples, an electronic device = oa can use hardware based secure isolated technology to store a first portion of an = application in computer memory, and store a second portion of the application in 102 = = s(2) SvsrEm 1 4 a hardware based secure isolated region of the computer memory, the second por- tion of the application including an encrypted portion and a plaintext portion The 116 electronic device can further use the hardware based secure isolated technology data to 106(11 106(2) 106(M) 1 = 138 [ to establish a secure encrypted communication channel with a server, send the server via the secure encrypted communication channel, receive a decryption = I \ key from the server via the secure encrypted communication channel, and decrypt = - 118 encrypted portion using the decryption key. The electronic device can then execute = — 04 the application using the first portion of the application and the second portion of = 122 the application. \--Bus 26 - 11 OPERATING SYSTEM 128 120(2 Q Aevu 130 kr) ...., 120(31 120(11\ HBSIR 134 kr) 11 AT N L..) k/1 en APPucnnory 136 2 1 0f © 20(4) ei 4.0 132 \... 2 IN =(5j. ,-1 FIG. 1 © ei C [Continued on next page] WO 2017/205155 Al MIDEDIM01101 DIDIRMEM11011111111111101111111111111111111110111111111111 Declarations under Rule 4.17: — as to applicant's entitlement to apply for and be granted a patent (Rule 4.17(H)) — as to the applicant's entitlement to claim the earlier application (Rule 4.17(iii)) priority of the Published: — with international search report (Art. 21(3))