SECURE SYSTEM-ON-CHIP

  • US 20070150756A1
  • Filed: 12/21/2006
  • Published: 06/28/2007
  • Est. Priority Date: 12/23/2005
  • Status: Active Grant
First Claim
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1. Secure system-on-chip for processing data, this system-on-chip comprising at least a central processing unit, an input and an output channel, an encryption/decryption engine and a memory, wherein said input channel comprises an input encryption module to add an internal encryption layer on all incoming data, said output channel comprising an output decryption module to remove the internal encryption layer on all outgoing data, said central processing unit receiving the encrypted data from the input encryption module and storing them in the memory, and while processing the stored data, said central processing unit reading the stored data from the memory, requesting the removal of the internal encryption layer of same in the encryption/decryption engine, processing the data and requesting encryption of the result by the encryption/decryption engine so as to add the internal encryption layer and storing the encrypted result, outputting the result to the output decryption module for removing the internal encryption layer and exiting the result via the output channel.

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