"Public Key Infrastructure (PKI) has been reviewed as a
technical infrastructure by a number of security experts. In this
paper we look at a number of pratical organizational issues that
pure PKI suppliers often fail to mention.
"Identification is inflexible--in my enterprise people move from
one job to another and one location to another on a regular basis,
but the PKI certificate is just inflexible unless I miss most of
the stuff that would be useful in our internal directory..."