ComputedID attribute resolver setup (IdP v4)

[Duncan Brannen]

The salt value goes in secrets.properties in the credentials folder.

Our v3 config had mention of the algorithm in some of the provided config files but none of the live config files so I'd guess if it's not in yours then like us you're using the defaults. saml-nameid.properties had the persistentId.encoding value set in our v3 config. (BASE32)

Can you copy your v3 linux config across to the windows server and do an upgrade from there?  (or upgrade a copy of the v3 config on the Suse box and then copy it to the windows server?)

Cheers,
            Duncan

From: users <users-bounces at shibboleth.net> On Behalf Of Dave Perry
Sent: 18 February 2022 13:58
To: users at shibboleth.net
Subject: ComputedID attribute resolver setup (IdP v4)

Hi all

I have hit a few brick walls with upgrading our old v3 IdP to v4 (OS and Jetty), so starting from scratch on a new windows server installation.
After base install, the status.bat shows the IdP is running - good start.

Configuring attribute resolution, I need to port the old computedID connector and salt (snippet below):

<resolver:DataConnector xsi:type="ComputedId" xmlns="urn:mace:shibboleth:2.0:resolver:dc"
                            id="computedIDv3"
                            generatedAttributeID="computedID"
                            sourceAttributeID="sAMAccountName"
                            salt="mySaltGoesHere">
        <resolver:Dependency ref="myLDAP" />
    </resolver:DataConnector>
(actual salt removed for obvious reasons).

The example I've found for v4 is as follows:
<DataConnector id="computedID" xsi:type="ComputedId" generatedAttributeID="computedId" salt="%{idp.persistentId.salt}" algorithm="%{idp.persistentId.algorithm:SHA}" encoding="%{idp.persistentId.encoding:BASE32}">
<InputDataConnector ref="myLDAP" attributeNames="sAMAccountName" />
</DataConnector>

I can't find the persistentId.salt value in idp.properties - do I need to add it?

More importantly, unsure what the algorithm and encoding attribute values need to be, as I can't find where these are defined in my v3 config. Any pointers as to where to look?


Thanks
Dave


Dave Perry | eLearning Technologist | eLearning & Libraries | L32 (Library)
Hull College, Queen's Gardens, Wilberforce Drive, Kingston-Upon-Hull, HU1 3DG.
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