Patent SG-11201804361Y-A (SG)
Title: Method for managing a trusted identity
Inventor: LU HONGQIAN KAREN
IPC: H04L9/32
Filed: 2016-12-20
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -' Organization International Bureau ires.. 00) (43) International Publication Date .... ....r .r...) 29 June 2017(29.06.2017) WIPO I PCT (10) WO International 111111111111311111111111111111111111111111111111111111111111111111111311111111111111111 2017/108783 Publication Al Number (51) International Patent Classification: BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, HO4L 9/32 (2006.01) DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, (21) International Application Number: KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU LY MA, PCT/EP2016/081911 MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, (22) International Filing Date: NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, 20 December 2016 (20.12.2016) 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, (25) Filing Language: English ZA, ZM, ZW. (26) Publication Language: English (84) Designated States (unless otherwise indicated, for every (30) Priority Data: kind of regional protection available): ARIPO (BW, GH, 14/978,568 22 December 2015 (22.12.2015) US GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, (71) Applicant: GEMALTO SA [FR/FR]; 6, me de La Verrer- TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, ie, 92190 Meudon (FR). 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, (72) Inventor: LU, HongQian Karen; do Gemalto SA, Intel- SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, lectual Property Department, 525, avenue du Pic de Ber- tagne, CS12023, 13881 Gemenos Cedex (FR). GW, KM, ML, MR, NE, SN, TD, TG). (81) Designated States (unless otherwise indicated, for every Declarations under Rule 4.17: kind of national protection available): AE, AG, AL, AM, — as to applicant's entitlement to apply for and be granted a AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, patent (Rule 4.17(ii)) [Continued on next page] (54) Title: METHOD FOR MANAGING A TRUSTED IDENTITY (57) : The invention is a method for deploying a trusted identity for a user issued by an issuer. The user hasa ID Issuancewith Block Chain user device configured to send a request for signature to an issuer device handled by the issuer. The request comprises a ), , user public key allocated to the user. The issuer device is C ,•ant to get a newHeare is configured to compute an issuer signature by signing both dacs tinnretricst (op ` 1 new C the user's trusted identity and the user public key using an is - suer private key allocated to the issuer. A block chain trans - Here is yd , Jr ID Keep ri safe issuer signature is action containing the created and submit - L sel waq,s to qa.,e a uublic lect , d ted to a Block Chain for transaction verification and storage. Here is nT, pule Ley K,,u) signature- gn(U Ki3 -s signature ic CT ' encrip4 C v,th K -.= e_fD encrypt rr, e_K -, .p,Dtafs gnatu e, e_C, e_K I. I'l .4t Min ng ie d r ,. en GC IN GC C FIG. 1 1-1 It - -- 1-1 o ei 0 WO 2017/108783 Al MIDEDIMOMMION0101301011MMOMMODEVOIMIE — as to the applicant's entitlement to claim the priority of Published: the earlier application (Rule 4.17(iii)) — with international search report (Art. 21(3))