krb5-kdc: Cannot change passwords if password history is used

Tom Yu tlyu at MIT.EDU
Wed Mar 7 11:33:08 EST 2012


Nico Williams <nico at cryptonector.com> writes:

> But there's no integrity protection for most of the KDB, so there's no
> way to know if the problem is corruption.  That said, I agree with
> you: removing the required key == removing that part of the password
> history keyed with that key.

The keys that the KDC uses to encrypt long-term keys (and key
histories) in the KDB typically provide integrity protection.  What
sort of corruption were you thinking of?


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