Patent SG-11201808991W-A (SG)
Title: Method and system for secure data transmission
Inventor: FU YINGFANG
IPC: H04L9/32
Filed: 2017-05-08
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property C.--.` 111111111111 011101010111110101111111111010111111111111111111011111011110111111 Organization International Bureau (10) International Publication Number 03 (43) International Publication Date ......P' WO 2017/200791 Al 23 November 2017 (23.11.2017) WIPO I PCT (51) International H04L 9/08 (2006.01) H04L 9/16 (2006.01) (21) International (22) International (25) Filing Language: (26) Publication (30) Priority Data: 201610339148.7 15/588,462 (71) Applicant: [ /US]; Fourth George Town, Grand Cayman (KY). Patent Classification: (72) Inventors: FU, Yingfang; Alibaba Group Legal Depart- HO4L 9/32 (2006.01) ment 5/F, Building 3, No. 969 West Wen Yi Road, Yu Hang District, Hangzhou, Zhejiang 311121 (CN). LIU, Shuanlin; Application Number: Alibaba Group Legal Department 5/F, Building 3, No. 969 PCT/US2017/031606 West Wen Yi Road, Yu Hang District, Hangzhou, Zhejiang 311121 (CN). Filing Date: (74) Agent: YAO, Shun; 2800 Fifth Street, Suite 110, Davis, 08 May 2017 (08.05.2017) CA 95618 (US). English (81) Designated States (unless otherwise indicated, for every Language: English kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, 19 May 2016 (19.05.2016) CN May 2017 (05.05.2017) US 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, 05 HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, ALIBABA GROUP HOLDING LIMITED KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, Floor, One Capital Place, P.O. Box 847, 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, AND SYSTEM FOR SECURE DATA TRANSMISSION 106 SEND HTTPS REQUEST channel transmits a second dynamic second dynamic The client and communication message, = (54) Title: METHOD CLIENT 102 SERVER 104 ( 108 SEND DIGITAL CERTIFICATE I 114 SEND ENCRYPTED RANDOM KEY VERIFY DIGITAL CERTIFICATE 110 I GENERATE AND ENCRYPT A RANDOM KEY 112 a server. During operation, the client generates a service request comprising a first dynamic to the server, which authenticates the client based on the first dynamic message, and server in a secure communication channel based on at least a first portion of the secret key. r118 COMMUNICATE USING THE RANDOM KEY OBTAIN RANDOM KEY USING PRIVATE KEY 116 pi receives on the the server. embodiment via FIG. 1 described herein provides a system and method for establishing a secure response to the first dynamic message. The client authenticates the server based a quantum-key-distribution process, a secret key shared between the client and 1-1 11 C:r (57) : One © between a client and N the first service request ---... message from the IN message, and negotiates, 1-1 c;;;; ) server then establish ei C [Continued on next page] WO 2017/200791 Al MIDEDIMOMOIDEIROIDEM00101011Einin#011 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). Published: — with international search report (Art. 21(3))