[noise] Test vector format

[Alex]

On Wed, 6 Apr 2016 21:26:41 -0400
Jonathan Rudenberg <jonathan at titanous.com> wrote:

> What do you think about using Base64 instead of hex for the binary
> parts?
> 

I'm OK with that.

> I’m unsure about specifying the pattern/cipher/hash/curve separately
> for both sides of the handshake, it seems like that’s only useful for
> failure mode testing and would be better suited in local unit tests
> for the implementation.
> 

I think it would be useful to be able to simulate a MITM in which
one party has a different remote static key than the one that is
presented.

-- 
Alex