Patent SG-11201906755V-A (SG)
Title: Digital certificate management method, apparatus, and system
Inventor: QIU HONGLIN
IPC: H04L9/32
Filed: 2018-07-26
Abstract: 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) WIPO I PCT Iiiimmomiolollmomioloollioloilloomoiliflom oimIE (10) International Publication Number WO 2019/023452 Al 22 24 26 FIG. 2 (51) International Patent Classification: HO4L 9/32 (2006.01) (21) International Application Number: PCT/US2018/043897 (22) International Filing Date: 26 July 2018 (26.07.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 201710617598.2 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, Grand Cayman (KY). (72) Inventor: QIU, Honglin; c/o Ants Patent Team, 17F Build- ing B, Huanglong Times Plaza, No. 18 Wantang Road, Hangzhou, 310099 (CN). (74) Agent: SMITH, Dan et al.; 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, 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). (54) Title: DIGITAL CERTIFICATE MANAGEMENT METHOD, APPARATUS, AND SYSTEM Receive a first transaction request sent by a certificate authority (CA), where the first transaction request is used for requesting to write a digita certificate issued by the CAto a node in a blockchain into the blockchain I Determine a consensus result of consensus verification performed by the blockchain _ on the digital certificate I Respond to or reject the first transaction request based on the consensus result _ I 71- M O (57) : A first transaction request sent by a certificate authority (CA) is received, where the first transaction request is used for 01 requesting to write a digital certificate issued by the CA to a node in a blockchain into the blockchain. A consensus result of consensus 0> verification performed by the blockchain on the digital certificate is determined. The first transaction request is responded to or rejected \" based on the consensus result. C [Continued on next page] WO 2019/023452 Al MIDEDIMOMOIDEIROICIO111101111001#11011MOVON Published: — with international search report (Art. 21(3))