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SYSTEMS AND METHODS FOR CACHING DATA FILES

  • US 20130226888A1
  • Filed: 02/28/2012
  • Published: 08/29/2013
  • Est. Priority Date: 02/28/2012
  • Status: Abandoned Application
First Claim
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1. A method for transferring data over a computer network, comprising:

  • storing a data file of the type that can be transferred over a computer network;

    processing the stored data file to generate content metadata, the processing including;

    identifying data blocks within the data file;

    grouping the data blocks into one or more segments, starting at an initial block within the data file,running a one-way hash function over incrementing groups of data blocks to generate respective intermediate state hash values; and

    recording each respective state hash value and the associated data blocks hashed for that state hash value to create a table of state variables recording intermediate states of the hash operation performed over the data file; and

    generating from the recorded state hash values content metadata representative of a unique identifier for the data file; and

    transferring the content metadata in response to receiving a request to transfer the data file over the computer network.

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