Solutions
ForgeRock Identity Platform
Does not apply to Identity Cloud
Signature algorithm is not supported error when verifying a signed SAML assertion in AM 6.x
The purpose of this article is to provide assistance if you receive a "com.sun.identity.saml2.common.SAML2Exception: Signature algorithm is not supported" error when attempting to verify a signed SAML assertion in AM if you are using the HTTP-Redirect binding.