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Method and apparatus for a transaction-based secure storage file system

  • US 7,320,076 B2
  • Filed: 03/05/2003
  • Issued: 01/15/2008
  • Est. Priority Date: 03/05/2003
  • Status: Active Grant
First Claim
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1. A method for generating a secure storage file system, comprising:

  • encrypting data using a symmetric key to obtain encrypted data;

    encrypting the symmetric key using a public key to obtain an encrypted symmetric key;

    storing the encrypted data and the encrypted symmetric key as part of the secure storage file system if the public key is associated with a user who only has read permission;

    generating an encrypted hashed data if the public key is associated with a user who has write permission; and

    storing the encrypted data, the encrypted symmetric key, and the encrypted hashed data as part of the secure storage file system if the public key is associated with the user who has write permission.

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