That's a nice pic. #TLS #Cipher #InfoSecpic.twitter.com/O4eS1NtBqJ
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@tagnullde @munin Where's it from? The hash algorithm at the end in that example is for the PRF, not message auth. GCM provides that there.
@colmmacc @munin It's a german/swiss site. http://www.scip.ch/?labs.20141120 GCM is a mode for AES. Afaik nothing more.
@tagnullde @munin aes-gcm uses ctr mode for encryption and adds authentication via a tag. There's no hmac.
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