[cifs-protocol] [EXTERNAL] [MS-OAPXBC] Incorrect session key instructions
David Mulder
dmulder at samba.org
Thu Jan 25 16:45:33 UTC 2024
On 1/25/24 9:41 AM, Sreekanth Nadendla wrote:
> Hello David, the data obtained after base64url decode is the key in
> encrypted form. You would use the machine transport key to decrypt
> this to obtain the pop key you need. Can you check if this works?
That's exactly the problem. It can't be decrypted using the transport
key. The number of bytes is too long. The CEK returned by MS appears to
be corrupted (or a buffer overrun on your side, we're not sure).
--
David Mulder
Labs Software Engineer, Samba
SUSE
1221 S Valley Grove Way, Suite 500
Pleasant Grove, UT 84062
(P)+1 385.208.2989
dmulder at suse.com
http://www.suse.com
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