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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <p style="margin: 10px 0 0 0; margin-top: 0">Very simple: the name matching I want to do is the one that the IDP itself documents and requires for its signature certificates, i.e. that the (RFC2253-formatted) DN ends with the suffix "CN=theidp,O=theorganization". In the full DN of the certs as used by the IDP there will be some additional CN=X RDN in front that can change at any point in time.</p> <p style="margin: 10px 0 0 0">I do have full control over the key names that need to match, that's not the issue. That issue is that those key names need to be an exact string match against the full subject DN, and I only have a guarantee from the IDP about what the suffix of the subject DN will be. I want to be robust against changes in the full DN of their signature certificate (assuming that they honor their commitment of keeping the DN suffix the same).</p> <p style="margin: 10px 0 0 0">It's already happened once before that they updated their signature certificates and things stopped working on our side because we didn't have the "next" full DN that they rotated to in our local metadata (in reality they typically batch them in 3s, but that's not guaranteed). I understand that this problem goes away instantly by using their live metadata, but that's outside of my control. The code isn't though, hence this request.</p> </td>
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