[Cryptography-dev] Packaging ideas

[Cristian Salamea]

El 28/04/14 11:32, Alex Gaynor escribió:
> So, before I can start talking about solutions, I have to describe the use
> cases.
> 
> 1) Some folks need a very specific backend (i.e. pyOpenSSL) and right now
> it's just assumed that that will come with `pip install cryptography`.
> 2) Some folks want to use cryptography as the API for non-traditional
> primitives (e.g. scrypt), and `pip install cryptography` brings a lot more
> than what they want.
> 3) Some folks want to type the letters AES, and don't really care where
> that comes from.
> 4) Some folks want to type the letters "fab", and super don't care that
> fabric needs a paramiko which needs an AES.
> 5) Some folks want to be able `pip install something` without getting an
> OpenSSL, because OpenSSL is literally the worst thing in the world.
> 
> Invariants that must hold true:
> 
> * `pip install cryptography` gets you a thing that can AES (and whatever
> other core algorithms we think are important)
> * There's a thing you can `pip install` that gets you scrypt, but not
> OpenSSL
> * There's a thing you can `pip install` to definitely get some OpenSSL.
> 
> Solution:
> 
> We break things down into a few different packages:
> 
> * `pip install cryptography-core`: This contains all the primitives, all
> the recipes, all the everything besides the backends/bindings
> * `pip install cryptography-{openssl,scrypt,etc.}`: This contains the
> backend/bindings for the specific thing
> * `pip install cryptography`: This gets you a cryptography, and whatever
> set of core backends we think are reasonable for your platform for doing
> stuff like typing AES (and, god willing, then typing HMAC).

Hi i am starting here and i think cryptography package could be the
core, i see this library as the tool that gives me all stuff to write my
new backend/binding and get cryptography-{ossl,nss}.

Regards,
> 
> Thoughts?
> Alex
> 
> 
> 
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-- 
Cristian Salamea
CTO
Ayni Consulting
Cooperativa de Software Libre