Shibboleth Artifact Binding : Inbound message issuer was not authenticated

[Tom Scavo]

On Thu, Apr 26, 2018 at 1:36 AM, Indunil Rathnayake
<indunil.uom at gmail.com> wrote:
> I have added the certificate of SP into the metadata file under
> <KeyDescriptor> element.

Does the KeyDescriptor have a use="signing" XML attribute or no 'use'
attribute at all? If the KeyDescriptor has a use="encryption"
attribute, it won't be used for back-channel authentication.

Tom