* David Schwartz wrote on Mon, Oct 01, 2007 at 02:51 -0700:
> Before a CA signs a certificate, it needs to know that that the
> identity it is certifying owns the private key that corresponds
> to the public key in the certificate. This almost always
> requires that private key to be used in some way.
> 
> Otherwise, how does the CA know it's signing the right key?

Theoretically a security officier could personally guarentee that
the CSR is authentic e.g. by comparing some hex dump with a
hardcopy/printout or alike, couldn't he[1]? But I have no clue
what this could be needful for...

oki,

Steffen

[1] I think the CA needs to verify this anyway - the CSR never
    can prove that the key is authentic I think.
 
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