Does the assertion - "Encode JSON Web Token" support PEM keys in JWS?
The JWS portion of the Encode JSON Web Token will support 3 main methods either secret, private key stored in the Manager Private key of the Gateway, or a JWK or JWKs (key from context variable). It will not take a straight PEM key in a context variable. Encode JSON Web Token Assertion - CA API Gateway - 9.2 - CA Technologies Documentation
Director, CA Support