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ENCRYPTION/DECRYPTION SYSTEM WHICH PERFORMS ENCRYPTION/DECRYPTION USING REGISTER VALUES, CONTROL METHOD THEREFOR, AND STORAGE MEDIUM

  • US 20150254477A1
  • Filed: 03/04/2015
  • Published: 09/10/2015
  • Est. Priority Date: 03/06/2014
  • Status: Active Application
First Claim
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1. An encryption/decryption system which sends and receives data to and from a host apparatus, comprising:

  • a storage unit configured to store, in encrypted form, a program for carrying out an encryption process or a decryption process on data sent and received to and from the host apparatus;

    a key generation unit configured to generate a key for decrypting the stored program in response to startup of the encryption/decryption system;

    a decryption unit configured to decrypt the stored program using the key generated by said key generation unit; and

    an execution unit configured to execute the decrypted program.

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