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AMD Publishes Cryptographic Coprocessor Linux Code

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  • AMD Publishes Cryptographic Coprocessor Linux Code

    Phoronix: AMD Publishes Cryptographic Coprocessor Linux Code

    AMD has just published a new set of Linux kernel patches, revealing Linux support for a Cryptographic Coprocessor (AMD CCP)...

    http://www.phoronix.com/vr.php?view=MTUxMTk

  • #2
    But who's going to trust an encryption black box these days? Particularly from a US company?

    Even Intel's AES instructions are dubious; you can verify they encrypt properly in your tests, but you can't verify there isn't some hidden switch in a configuration register or undocumented instruction somewhere which will make them spew out plaintext instead.

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    • #3
      AMD Publishes Cryptographic Coprocessor Linux Code
      Originally posted by movieman View Post
      But who's going to trust an encryption black box these days? Particularly from a US company?
      Need some reading comprehension there?

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      • #4
        Originally posted by Detructor View Post
        Need some reading comprehension there?
        He's talking about using the hardware encryption provided by this drivers code (the co-processor).

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        • #5
          Is this a separate chip, or is it something embedded in some class of CPUs or North/South-bridges, and we haven't had access to it until now?

          If it's already embedded, what chips, what vintages?

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          • #6
            i think it's for the future arm-on-opteron thing that amd was promoting a while ago

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            • #7
              Originally posted by movieman View Post
              But who's going to trust an encryption black box these days? Particularly from a US company?

              Even Intel's AES instructions are dubious; you can verify they encrypt properly in your tests, but you can't verify there isn't some hidden switch in a configuration register or undocumented instruction somewhere which will make them spew out plaintext instead.
              Stop being delusional. If you think the heads-of-state weren't in on the game to manage patterns from the NSA you truly are daft.

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              • #8
                AMD TrustZone

                This just sounds like the Linux drivers for the AMD TrustZone functionality that we've known about for some time.

                http://www.anandtech.com/show/6007/a...e-capabilities

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                • #9
                  Originally posted by movieman View Post
                  But who's going to trust an encryption black box these days? Particularly from a US company?
                  Idiots, that's who.

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                  • #10
                    The only mentioned pci id, 0x1537, gives no results on the wonderland of google, nor in pciids.

                    So either a completely new block, or a well-hidden secret.

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