Patent SG-11201906753U-A (SG)
Title: Digital certificate management method and apparatus, and electronic device
Inventor: QIU HONGLIN
IPC: G06Q20/40
Filed: 2018-07-26
Abstract: yReceive a linkHg request from a rode 1312 ri 1306 Linking request is approved? Receive one or more consensus verification y-- 1304 1 messages from blockchain nodes approving or denying the linking request Determine a consensus verification result based on the consensus verification messages Reject the Ilnkng request O O C (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 31 January 2019 (31.01.2019) WI PO I PCT omit III oloilimmoommo oimIE (10) International Publication Number WO 2019/023454 Al (51) International Patent Classification: H04L 29/06 (2006.01) H04L 9/32 (2006.01) G06Q 20/38 (2012.01) H04L 29/08 (2006.01) G06Q 20/40 (2012.01) (21) International Application Number: PCT/US2018/043901 (22) International Filing Date: 26 July 2018 (26.07.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 201710617611.4 26 July 2017 (26.07.2017) CN (71) Applicant: ALIBABA GROUP HOLDING LIMITED [ /US]; Fourth Floor, One Capital Place, P.O. Box 847, George Town (KY). (72) Inventor: QIU, Honglin; c/o Ants Patent Team, 17F Build- ing B, Huanglong Times Plaza, No. 17 Wantang Road, Hangzhou, 310099 (CN). (74) Agent: STALFORD, Terry, J.; Fish & Richardson P.C., P.O. Box 1022, Minneapolis, MN 55440-1022 (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, (54) Title: DIGITAL CERTIFICATE MANAGEMENT METHOD AND APPARATUS, AND ELECTRONIC DEVICE 1300 1308 1310 Yes s_ r Store digital certificate of the rode into the blockchain network FIG. 13 (57) : A digital certificate linking request sent by a node in a blockchain is received, where the digital certificate linking request comprises a to-be-verified digital certificate that is generated by the node through signing by using a private key, and is used to request to write the to-be-verified digital certificate into the blockchain. A consensus verification result of the to-be-verified digital certificate of the node is determined. A determination is performed, based on the consensus verification result, of whether to write the to-be-verified digital certificate into the blockchain. [Continued on next page] WO 2019/023454 Al MIDEDIMOMOIDEIRME1001110101111001111MOHMEHOIMI 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, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3))