[openssl-dev] cipher order
Hanno Böck
hanno at hboeck.de
Thu Mar 3 12:28:06 UTC 2016
Hi,
Last year I proposed to change the ciphering order in OpenSSL to always
prefer AEAD cipher suites before CBC/HMAC-based ones:
https://mta.openssl.org/pipermail/openssl-dev/2015-January/000421.html
I just checked openssl 1.1.0 alpha and it still orders ciphers in an
imho problematic way.
Browsers have largely decided to implement GCM-modes only with AES128.
Chrome is now about to change that. Not sure if other browsers will
follow.
Right now if you configure a server with openssl's cipher suite
ordering it is likely that a connection will happen with AES256 in CBC
mode instead of the (most likely more secure) AES128 in GCM mode.
Can this be changed before 1.1.0 gets out?
--
Hanno Böck
https://hboeck.de/
mail/jabber: hanno at hboeck.de
GPG: BBB51E42
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