...
Typically, the value of the Display Name field will appear on the drop-down menu of discovery service interfaces. If the element does not exist in metadata, applications are required to fall back on the <md:OrganizationDisplayName> element. Since the two are necessarily the same in InCommon metadata, the same name will appear in the discovery interface in any eventeither case.
This element is required in InCommon metadata.
Description
A brief description (100 characters or less) of the IdP service may be provided. On systems that support a pointing device (such as a mouse), the content of this input field will pop up when the user hovers over the IdP Display Name.
This element is optional . There are no known applications that can leverage this element in metadatain InCommon metadata but IdP operators are encouraged to supply this information.
Information URL
A link to a more comprehensive information page may be provided. This page should expand on the content of the Description field.
...
- the logo must be specified using an HTTPS URL
- the logo should have a transparent background
- the logo size should have exhibit a 4:3 aspect ratio
The provided logo will be scaled to 80 pixels wide by 60 pixels high, so any logo with an approximate 4:3 aspect ratio should be fine.
...