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Memory Security Device

  • US 20080301467A1
  • Filed: 05/28/2008
  • Published: 12/04/2008
  • Est. Priority Date: 05/31/2007
  • Status: Abandoned Application
First Claim
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1. A semiconductor device having a memory security block, the memory security block comprising:

  • an address encryption section operable to encrypt a write address or a read address;

    a data encrypting section operable to encrypt data to be written;

    a write section operable to write encrypted data at an encrypted write address corresponding to a memory;

    a read section operable to read encrypted data from the encrypted read address corresponding to the memory; and

    a data decryption section operable to decrypt the read encrypted data to obtain read data corresponding to the read address.

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