Patent AU-2018347189-B2 (AU)
Title: Managing communications among consensus nodes and client nodes
Inventor: PAN DONG
IPC: G06F16/23
Filed: 2018-11-07
Granted: 2020-07-23
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) 
(19) World Intellectual Property 
(1) Organization11111111111111111111111I1111111111111i1111liiiii 
International Bureau (10) International Publication Number 
(43) International Publication Date W O 2019/072267 A2 
18 April 2019 (18.04.2019) W IPO I PCT 
(51) International Patent Classification: Wah Building, No. 9 Shangdi 3rd Street, Haidian District, 
Not classified Beijing 100085 (CN).  
(21) International Application Number: (81) Designated States (unless otherwise indicated, for every 
PCT/CN2018/114417 kind ofnational protection available): AE, AG, AL, AM, 
(22)InternationalFilingDate: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, 
(7 November 2018 (07.11.2018) 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, 
(25) Filing Language: English 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, 
(26)PublicationLanguage: English MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, 
(71) Applicant: ALIBABA GROUP HOLDING LIMITED OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, 
[-/CN]; Fourth Floor, One Capital Place, P.O. Box 847, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, 
George Town, Grand Cayman (KY). TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.  
(72) Inventors: PAN, Dong; Alibaba Group Legal Department (84) Designated States (unless otherwise indicated, for every 
5/F, Building 3, No. 969 West Wen Yi Road, Yuhang Dis- kind of regional protection available): ARIPO (BW, GH, 
trict, Hangzhou, Zhejiang 311121 (CN). YAN, Xuebing; GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, 
Alibaba Group Legal Department 5/F, Building 3, No. 969 UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, 
West Wen Yi Road, Yuhang District, Hangzhou, Zhejiang TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, 
311121 (CN). CHEN, Shenglong; Alibaba Group Legal EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, 
Department 5/F, Building 3, No. 969 West Wen Yi Road, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, 
Yuhang District, Hangzhou, Zhejiang 311121 (CN). TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, 
KM, ML, MR, NE, SN, TD, TG).  
(74) Agent: BEIJING BESTIPR INTELLECTUAL PROP
ERTY LAW CORPORATION; Room 409, Tower B, Ka 
(54) Title: MANAGING COMMUNICATIONS AMONG CONSENSUS NODES AND CLIENT NODES 
(57) Abstract: Implementations of the present disclosure include generating, 
by a consensus node, a certificate signing request (CSR); sending the CSR to 
a first certificate authority (CA); receiving a first public key certificate of the 
consensus node from the first CA, and a first one or more public key certifi
cosessa 302a 304a - cates issued by a first one or more CAs. The consensus nodes also sends the 
CSR to a second CA, receives a second public key certificate of the consensus 
-,306a node from the second CA, and a second one or more public key certificates 
rmnirg CAs issued by a second one or more CAs. The consensus node further configures a 
-a first truststore including the first public key certificate and the first one or more 
_ _ _public key certificates, and a second truststore including the second public key 
310a certificate and the second one or more public key certificates.  
Feign cA 
- 312a 
- 314a _ 
gSenn 1 ks ,eu SR to GAs 
3l6a 
320a 
FIG.3A
W O 2019/072267 A2111I|I|II||I|||||||11||1||||||D||||DI||I||||||||||||||||||||||||||||| 
Published: 
- upon request of the applicant, before the expiration of the 
time limit referred to in Article 21(2)(a) 
- without international search report and to be republished 
upon receipt of that report (Rule 48.2(g))