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TanjB
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encryption requires management
TanjB   4/21/2014 5:23:09 PM
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The early self encrypting drives did not do a great job on key management.  The eDrive spec adressed the level of detail and care that is needed to properly handshake with a machine during boot and avoid leaking keys.  Not all controllers updated to support eDrive, so the encryption in the controllers ends up being ignored in enterprises.

It is also important to think through the infrastructure for managing the keys.  Is there a good way to back up your key?  If your machine dies, can you move the drive and unlock it on another machine?  Can enterprise machines be centrally managed?

Like any problem in the security world, meticulous care for fit and finish is necessary before it really becomes useful.  So far, only a fraction of SSDs go that last mile.



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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