Overview#
AP_REQ is the initial user
authentication request (i.e. made with
kinit) and the message is directed to the
KDC component known as
Kerberos Authentication Service (
AS)
The AP_REQ and AP_REP are ASN.1 structures used by application client and servers to for Authentication. The structures contain auxiliary information, together with an authenticator which is the real cryptographic proof.
There might be more information for this subject on one of the following: