SG11201906846YA - Data isolation in a blockchain network - Google Patents

Data isolation in a blockchain network

Info

Publication number
SG11201906846YA
SG11201906846YA SG11201906846YA SG11201906846YA SG11201906846YA SG 11201906846Y A SG11201906846Y A SG 11201906846YA SG 11201906846Y A SG11201906846Y A SG 11201906846YA SG 11201906846Y A SG11201906846Y A SG 11201906846YA SG 11201906846Y A SG11201906846Y A SG 11201906846YA
Authority
SG
Singapore
Prior art keywords
light
merkle tree
node
original
weight node
Prior art date
Application number
SG11201906846YA
Inventor
Wenbin Zhang
Chao Shen
Original Assignee
Alibaba Group Holding Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alibaba Group Holding Ltd filed Critical Alibaba Group Holding Ltd
Publication of SG11201906846YA publication Critical patent/SG11201906846YA/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/22—Indexing; Data structures therefor; Storage structures
    • G06F16/2228—Indexing structures
    • G06F16/2246—Trees, e.g. B+trees
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/18—File system types
    • G06F16/1805—Append-only file systems, e.g. using logs or journals to store data
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/18—File system types
    • G06F16/182—Distributed file systems
    • G06F16/1824—Distributed file systems implemented using Network-attached Storage [NAS] architecture
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/18—File system types
    • G06F16/182—Distributed file systems
    • G06F16/1834—Distributed file systems implemented based on peer-to-peer networks, e.g. gnutella
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H04L63/102—Entity profiles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/04—Protocols specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/80—Wireless
    • H04L2209/805—Lightweight hardware, e.g. radio-frequency identification [RFID] or sensor

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • Health & Medical Sciences (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Storage Device Security (AREA)
  • Computer And Data Communications (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

ReceWea request to read a particular blush of the blockohain from a tighl.weight node including an identity pita light-weight node !delay permissions associated with the identity:lithe light-weight node Generate an isolated Merkle tee based on the original Igerlde tree included Ingle particidar block. the isolated Merge tree including only tansactions from the original Medde tree that are determined to bo : , ....„ , ::.!e bythe light-weight node based on the . identified permissions, wherein the s„ ated Merkle tree is consistent with the original kmrkle free Send a response to the light-weight node including the isolated Merkle tree FIG. W O 20 19/07 2293 A2 402 404 406 408 (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 18 April 2019 (18.04.2019) WIPO I PCT 111111111111110111111111111111101111101001111111111101110111111110011111011110111111 (10) International Publication Number WO 2019/072293 A2 (51) International Patent Classification: Not classified (21) International Application Number: PCT/CN2018/120805 (22) International Filing Date: 13 December 2018 (13.12.2018) (25) Filing Language: English (26) Publication Language: English (71) Applicant: ALIBABA GROUP HOLDING LIMITED [—/CN]; Fourth Floor, One Capital Place, P.O. Box 847, George Town, Grand Cayman (KY). (72) Inventors: ZHANG, Wenbin; Alibaba Group Legal De- partment 5/F, Building 3, No.969 West Wen Yi Road, Yuhang District, Hangzhou, Zhejiang 311121 (CN). SHEN, Chao; Alibaba Group Legal Department 5/F, Building 3, No.969 West Wen Yi Road, Yuhang District, Hangzhou, Zhejiang 311121 (CN). (74) Agent: BEIJING BESTIPR INTELLECTUAL PROP- ERTY LAW CORPORATION; Room 409, Tower B, Ka Wah Building, No. 9 Shangdi 3rd Street, Haidian District, Beijing 100085 (CN). (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, 1E, 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: DATA ISOLATION IN A BLOCKCHAIN NETWORK 400 (57) : Implementations of the present specification include re- ceiving, by a blockchain node in the blockchain network, a request to read a particular block of the blockchain, wherein the request is received from a light-weight node of the blockchain network and includes an identity of the light-weight node, and wherein the particular block in- cludes an original Merkle tree associated with the particular block; iden- tifying, by the blockchain node, permissions associated with the identity of the light-weight node; generating, by the blockchain node, an isolat- ed Merkle tree based on the original Merkle tree included in the block, the isolated Merkle tree including only transactions from the original Merkle tree that are determined to be accessible by the light-weight node based on the identified permissions, wherein the isolated Merkle tree is consistent with the original Merkle tree; and sending, by the blockchain node, a response to the light-weight node including the isolated Merkle tree. [Continued on next page] WO 2019/072293 x2111111 I 0111110111010111111110n1001110111111 IIIII II III 11111 011 MOEMIE 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))
SG11201906846YA 2018-12-13 2018-12-13 Data isolation in a blockchain network SG11201906846YA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/120805 WO2019072293A2 (en) 2018-12-13 2018-12-13 Data isolation in a blockchain network

Publications (1)

Publication Number Publication Date
SG11201906846YA true SG11201906846YA (en) 2019-08-27

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ID=66100120

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201906846YA SG11201906846YA (en) 2018-12-13 2018-12-13 Data isolation in a blockchain network

Country Status (15)

Country Link
US (2) US11003646B2 (en)
EP (1) EP3560143B1 (en)
JP (1) JP6816297B2 (en)
KR (1) KR102258440B1 (en)
CN (1) CN109863521A (en)
AU (1) AU2018348333A1 (en)
BR (1) BR112019015423A8 (en)
CA (1) CA3051762A1 (en)
MX (1) MX2019008898A (en)
PH (1) PH12019501735A1 (en)
RU (1) RU2745518C9 (en)
SG (1) SG11201906846YA (en)
TW (1) TWI706352B (en)
WO (1) WO2019072293A2 (en)
ZA (1) ZA201904928B (en)

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CN110311782B (en) * 2019-04-29 2020-04-14 山东工商学院 Zero-knowledge proof method, system and storage medium for personal information
SG11202000784SA (en) * 2019-04-30 2020-02-27 Alibaba Group Holding Ltd Methods and devices for managing access to account in blockchain system
CN110365768B (en) * 2019-07-15 2021-07-06 腾讯科技（深圳）有限公司 Data synchronization method, device, medium and electronic equipment of distributed system
US11520904B2 (en) * 2019-08-27 2022-12-06 Accenture Global Solutions Limited AI-based blockchain hybrid consensus
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Publication number Publication date
MX2019008898A (en) 2019-09-10
EP3560143B1 (en) 2021-09-15
US20190278758A1 (en) 2019-09-12
TW202022744A (en) 2020-06-16
WO2019072293A2 (en) 2019-04-18
AU2018348333A1 (en) 2020-07-02
KR102258440B1 (en) 2021-06-02
KR20200074909A (en) 2020-06-25
TWI706352B (en) 2020-10-01
US11003646B2 (en) 2021-05-11
WO2019072293A3 (en) 2019-10-10
EP3560143A2 (en) 2019-10-30
EP3560143A4 (en) 2020-03-11
RU2745518C9 (en) 2021-05-26
RU2745518C2 (en) 2021-03-25
CA3051762A1 (en) 2019-04-18
US20210232558A1 (en) 2021-07-29
ZA201904928B (en) 2021-06-30
CN109863521A (en) 2019-06-07
RU2019123413A (en) 2021-01-26
BR112019015423A2 (en) 2020-03-31
RU2019123413A3 (en) 2021-01-26
JP2020516103A (en) 2020-05-28
JP6816297B2 (en) 2021-01-20
PH12019501735A1 (en) 2020-03-09
BR112019015423A8 (en) 2023-03-28

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