OAM 12c error Caused By: oracle.security.fed.controller.frontend.action.RequestHandlerRuntimeException: An error occurred while verifying/signing/encrypting/decrypting a message java.security.NoSuchAlgorithmException: http://www.w3.org/2001/04/xmldsig-more#rsa-sha256 Signature not available; oracle.security.fed.security.util.CryptoException: java.security.NoSuchAlgorithmException: http://www.w3.org/2001/04/xmldsig-more#rsa-sha256 Signature not available

error Caused By: oracle.security.fed.controller.frontend.action.RequestHandlerRuntimeException: An error occurred while verifying/signing/encrypting/decrypting a message java.security.NoSuchAlgorithmException: http://www.w3.org/2001/04/xmldsig-more#rsa-sha256 Signature not available; oracle.security.fed.security.util.CryptoException: java.security.NoSuchAlgorithmException: http://www.w3.org/2001/04/xmldsig-more#rsa-sha256 Signature not available Reason This error happen once we applied the OCT 2022 patch and changed the algorithm to sha256 from sha1 it is a bug and oracle provided the patch Oracle Access Manager (OAM) Federation Login Flow Fails "Incorrect username or password was specified" After Applying OAM BUNDLE PATCH 12.2.1.4.220906 (Doc ID 2905580.1) Solution Apply the above bundle patch to fix the issue