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Well, I work for a smart grid vendor (SSNI) and I know for a fact that our protocols are better.

Well, I work for a smart grid vendor (SSNI) and I know for a fact that our protocols are better. We actually use strong primitives, for starters. I can't understand why they rolled their own MAC, when robust and tiny implementations are rather plentiful. That just seems like a foolish waste of time, frankly. An ATMega can do HMAC-SHA256 for crying out loud. There is no excuse.

Posted by bdamm on May 8, 2015, 1:48 AM

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Well, I work for a smart grid vendor (SSNI) and I know for a fact that our protocols are better.

bdammMay 8, 2015, 1:48 AM

Well, I work for a smart grid vendor (SSNI) and I know for a fact that our protocols are better. We actually use strong primitives, for starters. I can't understand why they rolled their own MAC, when robust and tiny implementations are rather plentiful. That just seems like a foolish waste of time, frankly. An ATMega can do HMAC-SHA256 for crying out loud. There is no excuse.

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