Method and system for backing up private key of electronic signature token

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9712326
SERIAL NO

14893401

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Provided are a method and system for backing up the private key of an electronic signature token, the method comprising: a first electronic signature token transmits a private key backup request data packet comprising a first signature; a second electronic signature token authenticates the first signature in the private key backup request data packet; if the first signature passes authentication, then determining whether the first electronic signature token has a backup relationship with the second electronic signature token; if yes, then encrypting the private key of the second electronic signature token, and transmitting a private key backup response data packet comprising a second signature and the encrypted private key; the first electronic signature token authenticates the second signature in the private key backup response data packet; if the second signature passes authentication, then determining whether the second electronic signature token has a primary-standby relationship with the first electronic signature token; and if yes, then decrypting the encrypted private key.

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Patent Owner(s)

Patent OwnerAddress
TENDYRON CORPORATIONBEIJING 100083

International Classification(s)

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  • 2014 Application Filing Year
  • H04L Class
  • 29135 Applications Filed
  • 23333 Patents Issued To-Date
  • 80.09 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201420152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Dongsheng Beijing, CN 160 442

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Patent Citation Ranking

  • 2 Citation Count
  • H04L Class
  • 11.47 % this patent is cited more than
  • 8 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges7723917103642621314694423014182001 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +025050075010001250150017502000225025002750300032503500375040004250

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