On Sep 17, 2013, at 11:41 AM, "Perry E. Metzger" <pe...@piermont.com> wrote:

> 
> I confess I'm not sure what the current state of research is on MAC
> then Encrypt vs. Encrypt then MAC -- you may want to check on that.

Encrypt then MAC has a couple of big advantages centering around the idea that 
you don't have to worry about reaction attacks, where I send you a possibly 
malformed ciphertext and your response (error message, acceptance, or even time 
differences in when you send an error message) tells me something about your 
secret internal state.  

> Perry

--John
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