Validation of protocol message signature failed

[Peter Schober]

* Cantor, Scott <cantor.2 at osu.edu> [2013-06-28 19:03]:
> On 6/28/13 10:35 AM, "kotesh201" <koteshwarv at gmail.com> wrote:
> >I added my CA cert info in idp-metadata.xml file as one of the
> >Extensions. I am not sure whether Shibboleth refers to this config
> >file for signature verification. Is there any other config file
> >should I modify to fix below error. If you need any specific
> >information, I can provide.
> 
> You need to add the signing public key certificate to the metadata
> of the SP given to the IdP in a KeyDescriptor element.

My bad, I didn't read close enough,
-peter