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Secure disk drive comprising a secure drive key and a drive ID for implementing secure communication over a public network

  • US 7,215,771 B1
  • Filed: 06/30/2000
  • Issued: 05/08/2007
  • Est. Priority Date: 06/30/2000
  • Status: Expired due to Term
First Claim
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1. A secure disk drive comprising:

  • (a) a disk for storing data;

    (b) an input for receiving an encrypted message from a client disk drive, the encrypted message comprising ciphertext data and a client drive ID identifying the client disk drive;

    (c) a secure drive key;

    (d) an internal drive ID;

    (e) a key generator for generating a client drive key based on the client drive ID and the secure drive key, and an internal drive key based on the internal drive ID and the secure drive key;

    (f) an authenticator for verifying the authenticity of the encrypted message and generating an enable signal, the authenticator responsive to the encrypted message and the client drive key;

    (g) a data processor comprising;

    a message input for receiving the encrypted message from the client disk drive;

    a data output for outputting the ciphertext data to be written to the disk;

    an enable input for receiving the enable signal for enabling the data processor;

    a key input for receiving the internal drive key, the internal drive key for use in generating a message authentication code; and

    a reply output for outputting reply data, the reply data comprising the message authentication code; and

    (h) an output for outputting a reply to the client disk drive, the reply comprising the reply data and the internal drive ID.

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