Hi Rick,

Thank you so much for quick reply.

I'll go through it now.

Thanks,
Prashanth

-----Original Message-----
From: kerberos-boun...@mit.edu [mailto:kerberos-boun...@mit.edu] On Behalf Of 
Rick van Rein
Sent: Thursday, February 25, 2016 7:33 PM
To: kerberos@mit.edu
Subject: Re: Quick question related to Kerberos + AES256 + SHA2

Hey,

You cannot mix any set of algorithms you want, but you need a predefined 
encryption type.  Compare it to TLS' ciphersuites if you like.
`
The standardised list is available on
http://www.iana.org/assignments/kerberos-parameters/kerberos-parameters.xhtml

The closest to what you are asking is aes256-cts-hmac-sha1-96; it uses a SHA1 
hash cut off to a 96 bit prefix as a MAC, if I remember correctly.  Chase the 
link if you need more detail / certainty.

As far as I know, MIT Kerberos will use this encryption type by default.  Can't 
speak for Heimdal, Shishi or AD.

-Rick

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