Optional algJWS "alg" (Algorithm) Header Parameter.
Optional b64This JWS Extension Header Parameter modifies the JWS Payload representation and the JWS Signing Input computation as per RFC7797.
Optional critJWS "crit" (Critical) Header Parameter.
Optional cty"cty" (Content Type) Header Parameter.
Optional jku"jku" (JWK Set URL) Header Parameter.
Optional jwk"jwk" (JSON Web Key) Header Parameter.
Optional kid"kid" (Key ID) Header Parameter.
Optional typ"typ" (Type) Header Parameter.
Optional x5c"x5c" (X.509 Certificate Chain) Header Parameter.
Optional x5t"x5t" (X.509 Certificate SHA-1 Thumbprint) Header Parameter.
Optional x5u"x5u" (X.509 URL) Header Parameter.
Recognized JWS Header Parameters, any other Header Members may also be present.