we have a iis web site  using SSL certificate, we will be connecting to another secure iis server at vendors site.
they request that we send them  a certificate that they can install on their end to make the connection secure
"The specs are:
Base 64 X.509 Class 3 personal certificate."

i believe thay want to place the certifiacte within their code that call our web service
something like:
EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary" ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3"

how do i go about getting the cert to them, my IIS  has a wildcard certificate installed
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Paul MacDonaldConnect With a Mentor Director, Information SystemsCommented:
It won't work.  A visitor to their site, being presented with your certificate, will get an error in their browser.  Moreover this is a HUGE security issue, and would ostensibly allow this third party to impersonate you.

It seems to me, if they're loading content from your web server into an iframe or some such on one of their pages, your server will still pass on the SSL certificate so everything should continue to work okay just the way it is.
porto111Author Commented:
use the standard XML-Signature (http://www.w3.org/TR/xmldsig-core/) in SOAP headers on both the request and for the response to the service

this is waht was requested by the third party we are connecting to
it might be that there is only a worksation on the their end and not a server

any clues on how to do this
Paul MacDonaldDirector, Information SystemsCommented:
Sorry, I misread the question.  

Are connections to this service done over HTTP?  If so, can they be done over HTTPS?  If so, you can just leave things the way they are - your communications will be encrypted.
porto111Author Commented:
they request >To , use the standard XML-Signature  in SOAP headers on both the request and for the response to the service.
For electronic signatures required to use a certificate issued by a certificate authority authorized
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