Patent SG-11201905461V-A (SG)
Title: Data sealing with a sealing enclave
Inventor: COSTA MANUEL
IPC: G06F21/60
Filed: 2017-12-20
Abstract: EnclaveClient Setup 106 Verifica inn 108 100 42 Builds (51) International Patent Classification: GOOF 21/60 (2013.01) GOOF 21/62 (2013.01) (21) International Application Number: PCT/US2017/067455 (22) International Filing Date: 20 December 2017 (20.12.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 15/414,492 24 January 2017 (24.01.2017) US (71) Applicant: MICROSOFT TECHNOLOGY LI- CENSING, LLC [US/US]; One Microsoft Way, Redmond, WA 98052-6399 (US). (72) Inventor: COSTA, Manuel; Microsoft Technology Li- censing, LLC, One Microsoft Way, Redmond, WA 98052-6399 (US). (74) Agent: MINHAS, Sandip, S. et al.; Microsoft Technolo- gy Licensing, LLC, One Microsoft Way, Redmond, WA 98052-6399 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, 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, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, 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, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, (54) Title: DATA SEALING WITH A SEALING ENCLAVE Setup Computation En e 4 p t i Results Trusted Hardware 172 Untrusted Software 174 Enclave 176 + I Data 182 I Code 180 T Tr sts Manages Authors Trusts Data Owner Software Provider Trusts FIG. 1 152 V 162 Infrastructure Owner Manufacturer (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 02 August 2018 (02.08.2018) WIP0 I PCT o mons onolo olomollmomiooimmo oimIE (10) International Publication Number WO 2018/140164 Al (57) : Techniques for securely sealing and unsealing enclave data across platforms are presented. Enclave data from a source enclave hosted on a first computer may be securely sealed to a sealing enclave on a second computer, and may further be securely unsealed for a destination enclave on a third computer. Securely transferring an enclave workload from one computer to another is disclosed. [Continued on next page] WO 2018/140164 Al D ill TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Declarations under Rule 4.17: as to applicant's entitlement to apply for and be granted a patent (Rule 4.17(11)) as to the applicant's entitlement to claim the priority of the earlier application (Rule 4.17(iii)) Published: — with international search report (Art. 21(3))