SG11202010727YA - Blockchain-based cross-chain data operation method and apparatus - Google Patents

Blockchain-based cross-chain data operation method and apparatus

Info

Publication number
SG11202010727YA
SG11202010727YA SG11202010727YA SG11202010727YA SG11202010727YA SG 11202010727Y A SG11202010727Y A SG 11202010727YA SG 11202010727Y A SG11202010727Y A SG 11202010727YA SG 11202010727Y A SG11202010727Y A SG 11202010727YA SG 11202010727Y A SG11202010727Y A SG 11202010727YA
Authority
SG
Singapore
Prior art keywords
blockchain
operation method
data operation
chain data
based cross
Prior art date
Application number
SG11202010727YA
Inventor
Zhonghao Lu
Original Assignee
Advanced New Technologies Co 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 Advanced New Technologies Co Ltd filed Critical Advanced New Technologies Co Ltd
Publication of SG11202010727YA publication Critical patent/SG11202010727YA/en

Links

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
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/95—Retrieval from the web
    • G06F16/955—Retrieval from the web using information identifiers, e.g. uniform resource locators [URL]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/95—Retrieval from the web
    • G06F16/953—Querying, e.g. by the use of web search engines
    • 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
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0637—Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
    • 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
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees

Landscapes

  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Mining & Analysis (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
SG11202010727YA 2018-07-27 2019-07-26 Blockchain-based cross-chain data operation method and apparatus SG11202010727YA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810847141.5A CN109145205B (en) 2018-07-27 2018-07-27 Cross-chain data operation method and device based on block chain
PCT/US2019/043581 WO2020023828A1 (en) 2018-07-27 2019-07-26 Blockchain-based cross-chain data operation method and apparatus

Publications (1)

Publication Number Publication Date
SG11202010727YA true SG11202010727YA (en) 2020-11-27

Family

ID=64798097

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202010727YA SG11202010727YA (en) 2018-07-27 2019-07-26 Blockchain-based cross-chain data operation method and apparatus

Country Status (6)

Country Link
US (1) US10878052B2 (en)
EP (1) EP3777025A1 (en)
CN (1) CN109145205B (en)
SG (1) SG11202010727YA (en)
TW (1) TWI692230B (en)
WO (1) WO2020023828A1 (en)

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CN112395300B (en) * 2021-01-20 2021-05-25 腾讯科技（深圳）有限公司 Data processing method, device and equipment based on block chain and readable storage medium
CN112929446A (en) * 2021-02-24 2021-06-08 卓尔智联(武汉)研究院有限公司 Data transmission method between block chains and electronic equipment
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Also Published As

Publication number Publication date
WO2020023828A1 (en) 2020-01-30
EP3777025A1 (en) 2021-02-17
CN109145205A (en) 2019-01-04
US10878052B2 (en) 2020-12-29
TWI692230B (en) 2020-04-21
CN109145205B (en) 2020-09-01
US20200034395A1 (en) 2020-01-30
TW202008760A (en) 2020-02-16

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