Solutions
ForgeRock Identity Platform
Does not apply to Identity Cloud
Illegal key size error when using a key encrypted with AES256 for SAML federation in AM 6.x
The purpose of this article is to provide assistance if you receive an "Illegal key size" error when using a key with 256-bit AES encryption for SAML federation in AM. This error can occur regardless of whether AM is acting as the IdP or the SP.