Method and apparatus for encrypting data to be secured and inputting/outputting the same

  • US 20040250092A1
  • Filed: 03/26/2004
  • Published: 12/09/2004
  • Est. Priority Date: 03/28/2003
  • Status: Active Grant
First Claim
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1. A storage device comprising:

  • a storage medium for retaining data; and

    a cryptographic processing unit which receives a plurality of commands from a host device to execute the commands upon performing a plurality of series of cryptographic input/output processing for encrypting data to be secured and inputting/outputting the data between the storage medium and a host device, the commands being issued by dividing the plurality of series of cryptographic input/output processing each into a plurality of procedures, wherein the cryptographic processing unit refers to identifying information attached to the command to identify to which cryptographic input/output processing the command belongs to, then simultaneously performing two or more of the plurality of cryptographic input/output processing procedures.

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