TLS libraries and licenses

Jerry James loganjerry at gmail.com
Wed Nov 27 21:15:18 UTC 2013


On Wed, Nov 27, 2013 at 9:46 AM, Dan Williams <dcbw at redhat.com> wrote:
> You answered that just below; because OpenSSL is GPL incompatible.
> Since gnutls is LGPL, it can be used in most places openssl can be used,
> *plus* it can be used with GPL software.  Obviously, consult your
> lawyers for the specifics of your situation.

Okay, that makes sense.  Thanks for the answer.

> libgcrypt is actually just basic crypto, not TLS.  gnutls is based on
> libgcrypt.  So it's not an alternative to anything above for TLS stuff,
> but you'll get it anyway if you choose gnutls.
>
> You really only need to plan for one or both of NSS or gnutls.  While it
> may not help you much because it doesn't do any TLS stuff,
> NetworkManager does have an abstraction layer for both NSS and gnutls
> for basic crypto and certificate/private-key operations:
>
> http://cgit.freedesktop.org/NetworkManager/NetworkManager/tree/libnm-util
>
> See any of the crypto* files.

Great, thanks for the pointer.  I will definitely check that out.
-- 
Jerry James
http://www.jamezone.org/


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