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It starts with a triple tuple (one component of which comes from AD), but the tuple is then hashed with the salt value. What you're seeing as the "eptid" is the final calculated hash value.
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<div class="">You will need to find out how your server is generating those values. It's in the attribute resolver configuration, or possibly the NameID configuration, depending on how you are sending it to the application.</div>
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<div class="">Yancey Yeargan</div>
<div class="">University of North Texas System<br class="">
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<div class="">On May 7, 2019, at 11:39 AM, Robert Lamothe <<a href="mailto:robert_lamothe@yahoo.com" class="">robert_lamothe@yahoo.com</a>> wrote:</div>
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<div class="">In our environment we are required to change our AD passwords every 6 weeks. It appears that when our users change their passwords it changes the value of eduPersonTargetedID. The SP calls it eptid and this is the data they gave us:</div>
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<p class="ydpc6e7655cMsoNormal"><span style="font-family:Arial,sans-serif" class="">eptid value on 2019-03-12: nRDymCKsSIoc5pbKdmm72swbqzQ=</span></p>
<p class="ydpc6e7655cMsoNormal"><span style="font-family:Arial,sans-serif" class="">eptid value on 2019-05-06: w/yKZiuBopKxX6iCO1Pza3BuUbw=</span></p>
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<div class="">Since eduPersonTargetedID is a triple tuple the above isn't the entire thing, but I'm expecting that it's just the third tuple we're seeing here and that's the part that's changing.</div>
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<div class="">Regards</div>
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Bob Lamothe<br class="">
<a href="mailto:robert_lamothe@yahoo.com" class="">robert_lamothe@yahoo.com</a><br class="">
KB1BOB<br class="">
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<div class="">On Tuesday, May 7, 2019, 12:34:16 PM EDT, Ray Bon <<a href="mailto:rbon@uvic.ca" class="">rbon@uvic.ca</a>> wrote:
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<div class="">Are we really talking about a password change being coordinated with the change of another attribute?</div>
<div class="">Or is the user just updating their info (and password happens to be one of the items) and the chosen sourceAttribute is not really that persistent?</div>
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<div class="">On Tue, 2019-05-07 at 16:13 +0000, Yeargan, Yancey wrote:</div>
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Take a look at the conf/saml-nameid.properties file, specifically the property "idp.persistentId.sourceAttribute". If that AD attribute changes as a result of a password change, then the value of eduPersonTargetedID will also change.
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<div class="yiv1027581269">Yancey Yeargan</div>
<div class="yiv1027581269">University of North Texas System</div>
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<div class="yiv1027581269">On May 7, 2019, at 10:56 AM, Robert Lamothe <<a rel="nofollow" shape="rect" class="yiv1027581269" ymailto="mailto:robert_lamothe@yahoo.com" target="_blank" href="mailto:robert_lamothe@yahoo.com">robert_lamothe@yahoo.com</a>> wrote:</div>
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<div class="yiv1027581269">Howdy,</div>
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<div class="yiv1027581269"> For a few months I've had an SP complaining that they need to reset the accounts of our users on a periodic basis. We've been monitoring this for some time and have identified that after one of our users is forced to change their
AD password their account requires a reset.</div>
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<div class="yiv1027581269"> We've further identified that when a user changes their AD password it changes their eduPersonTargetedID value. By resetting the account they clear the value set in eduPersonTargetedID and allows a new one to be set.</div>
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<div class="yiv1027581269"> When I read up on this attribute I find that it's made up of a triple tuple, one of which is generated. It's also supposed to be persistent but it's persistence doesn't have to be lifetime.</div>
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<div class="yiv1027581269"> Can anyone help me understand why this attribute might change after an AD password change?</div>
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<div class="yiv1027581269">Thanks</div>
<div class="yiv1027581269">-Bob<br class="yiv1027581269" clear="none">
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Bob Lamothe<br class="yiv1027581269" clear="none">
<a rel="nofollow" shape="rect" class="yiv1027581269" ymailto="mailto:robert_lamothe@yahoo.com" target="_blank" href="mailto:robert_lamothe@yahoo.com">robert_lamothe@yahoo.com</a><br class="yiv1027581269" clear="none">
KB1BOB<br class="yiv1027581269" clear="none">
603-918-6336<br class="yiv1027581269" clear="none">
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<div class="">Ray Bon</div>
<div class="">Programmer Analyst</div>
<div class="">Development Services, University Systems</div>
<div class="">2507218831 | CLE 019 | <a href="mailto:rbon@uvic.ca" class="">rbon@uvic.ca</a></div>
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