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SSO Not Working - Unable to validate Signature (Doc ID 2836337.1)

Last updated on JANUARY 31, 2022

Applies to:

Identity Cloud Service (IDCS) - Version N/A and later
Information in this document applies to any platform.

Goal

Applications are configured for SSO through Identity Cloud Services with ADFS and cloud gate, but are not working with the below error:

SimpleSAML\Error\Error: UNHANDLEDEXCEPTION

Backtrace:
1 www/_include.php:17 (SimpleSAML_exception_handler)
0 [builtin] (N/A)
Caused by: Exception: Unable to validate Signature
Backtrace:
7 vendor/simplesamlphp/saml2/src/SAML2/Utils.php:195 (SAML2\Utils::validateSignature)
6 vendor/simplesamlphp/saml2/src/SAML2/Assertion.php:674 (SAML2\Assertion::validate)
5 modules/saml/lib/Message.php:230 (SimpleSAML\Module\saml\Message::checkSign)
4 modules/saml/lib/Message.php:694 (SimpleSAML\Module\saml\Message::processAssertion)
3 modules/saml/lib/Message.php:659 (SimpleSAML\Module\saml\Message::processResponse)
2 modules/saml/www/sp/saml2-acs.php:145 (require)
1 lib/SimpleSAML/Module.php:266 (SimpleSAML\Module::process)
0 www/module.php:10 (N/A)
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The SSO is working fine before sometime.
 

Solution

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In this Document
Goal
Solution


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