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Method for encryption backup and method for decryption restoration

  • US 20050228994A1
  • Filed: 02/22/2005
  • Published: 10/13/2005
  • Est. Priority Date: 04/13/2004
  • Status: Abandoned Application
First Claim
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1. An encryption backup method to be executed by an authenticated device of a system having at least the authenticated device and a backup apparatus as components, comprising the steps of:

  • generating an encryption/decryption key to encrypt client data therewith;

    storing the encryption/decryption key in a storage apparatus;

    accepting an arbitrary password through a predetermined input interface;

    storing the password as a first password in the storage apparatus;

    generating a reissue data processing key from the first password; and

    encrypting the encryption/decryption key with the reissue data processing key to generate reissue data.

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