On Apr 28, 2017, at 5:03 PM, Tony Garnock-Jones wrote:

> Hi James,
> On 4/28/17 1:13 PM, James wrote:
>> https://github.com/mgorlick/CRESTaceans/tree/master/bindings/libsodium
>> https://github.com/tonyg/racl/tree/master
> I'm the author of racl. I've not used mgorlick's code, but one thing to
> bear in mind is that it uses libsodium, where racl uses plain NaCl.
> Libsodium is definitely the way to go - plain NaCl is largely vestigial
> at this point.
> If I were to use racl in production, I would change the implementation
> of racl to use libsodium instead of NaCl.

Thanks that's really helpful.  I had heard that libsodium was the way to go but 
I'm just now reading about the details.

> Racl includes a few useful utilities (like SPKI SEXP I/O and some hacky
> sketches of encrypted TCP ports based on NaCl primitives), where
> mgorlick's code looks to be just the NaCl primitives.
> mgorlick's code has contracts; mine does not, which is a shame. I should
> add some.
> Finally, neither NaCl nor libsodium nor racl provides anything TLS-like.
> If you wanted some kind of streaming network code on top of NaCl, you're
> firmly in "roll-your-own crypto" territory.

I think we want standard TLS.  I know enough about cryptography to know that I 
really don't want to roll my own.  So I guess OpenSSL is what we'll use but 
then, maybe, something else for local file cryptography and signing.  We might 
even use OpenPGP as a helper application.


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