Data perturbation with solve upset method and storage media controller thereof and stocking system

Data perturbation with solve upset method and storage media controller thereof and stocking system

  • CN 101,996,339 B
  • Filed: 08/20/2009
  • Issued: 08/03/2016
  • Est. Priority Date: 08/20/2009
  • Status: Active Grant
First Claim
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1. a data perturbation method, including:

  • Produce a random number and produced random number is stored in a storage element;

    A data write instruction, an initial data and a user password is received from a host computer system;

    One first function is used to produce a whole pad value according to this random number and this user password;

    One second function is used to produce a temporary value according to this whole pad value and a key;

    One the 3rd function is used to produce should upset data of initial data according to this temporary value and this initial data;

    Store these upset data in this storage element to complete this data write instruction;

    From this host computer system, receive a data read command and from this host computer system, again receive this user password;

    These upset data and this random number is read from this storage element;

    This first function is used to regenerate this whole pad value according to this random number read from this storage element with this user password again received from this host computer system;

    This whole pad value and this key according to regenerating use this second function to regenerate this temporary value;

    The 3rd function is used to produce the initial data of corresponding these upset data read from this storage element according to this temporary value regenerated with these upset data read from this storage element;

    AndThe initial data of these upset data correspondence read from this storage element sends this host computer system to respond this data read command.

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