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Streaming non-repudiation for data access and data transaction

  • US 10,484,181 B2
  • Filed: 12/12/2016
  • Issued: 11/19/2019
  • Est. Priority Date: 12/12/2016
  • Status: Active Grant
First Claim
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1. A method, for providing data non-repudiation for a plurality of concurrent user data sessions, each user data session having a plurality of data transactions occurring in a plurality of time periods, comprising:

  • capturing data, into a captured data, from each data transaction;

    hashing the captured data into a hashed data;

    encrypting the hashed data into a digest;

    appending the digest to the captured data to form a data transaction digest;

    generating a user data session digest for each of the plurality of concurrent data transactions from the data transaction digest of a time period and the user data session digest of an immediate prior time period;

    hashing the data transaction digests and the user data session digests from the plurality of concurrent user data sessions within the time period into a hashed time data transaction data and encrypting the hashed time data transaction data into the time period digest; and

    recording the time period digest into a data file,wherein the time period digest provides non-repudiation for the data transactions within the time period.

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