[gnutls-help] Is AES GCM only in TLS1.2 ?

Daniel Kahn Gillmor dkg at fifthhorseman.net
Thu May 28 04:21:02 CEST 2015

On Wed 2015-05-27 20:28:58 -0400, jonetsu at teksavvy.com wrote:
> That is the background.  The question actually is about AES and which
> variations are available when only TLS 1.2 if available.  
> Seemingly that would be only the GCM variation, would it ?

No, that's not correct, all of the ciphers will be available in TLS 1.2,
because they are all defined for TLS 1.2.  TLS 1.2 inherits all the
ciphers that come from previous versions, including those ciphers
introduced in SSLv3, TLSv1.0, and TLSv1.1.

GCM is understood to be a more secure symmetric cipher than many of the
others options, so i would recommend using it if you have the
opportunity, though.


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