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2007 Jan 29
3
tool to manage a PKI
...king for a tool to manage a small Public Key Infrastructure, with
creation/revocation of certificates X.509, export in PKCS#12 format and
have the ability to handle CSR (Certificate Signing Request).
I've wrote my own script to perform it (openssl command line based):
it's a good way to underdstand concepts, but a little bit difficult to
maintain and extend...
After googling a bit, I found PHPki (http://www.sf.net/projects/phpki/),
that is nicely web-based (php) but unfortunately, It does not handle CSR.
What tool do you use to manage your PKI ?
Thanks for your comments, clue or advices....
2011 Feb 17
1
3 questions about the poisson regression of contingency table
...re the expected frequency,which are computed
by(57.18 for instance):
71*91/113=57.18
But according to poisson distribution,the distribution function is:
pr<-exp(-mu)*mu^x/x!.But I can't find this function in the computation of
expected frequency of Table1.
In other words,how the underdstand the"independent poisson process" from
Table1?
Q2¡¢How to understand "zero-inflated"?
For instance:
area nation frequency
1 1 10
1 2 0
1 3 0
1 4 0
2 1 20
2 2 0
2 3 0
2 4 5
3 1 15
3 2 6
3 3 20
3 4 0
Since most of the frequencies(6/12) are zero,so I can simply co...