Remove double base64url-encoding when generating kid

Author: jschlyter

pyproject.toml

@@ -2,7 +2,7 @@
 
 [tool.poetry]
 name = "cryptojwt"
-version = "1.9.4"
+version = "1.9.5"
 description = "Python implementation of JWT, JWE, JWS and JWK"
 authors = ["Roland Hedberg <roland@catalogix.se>"]
 license = "Apache-2.0"

src/cryptojwt/jwk/__init__.py

@@ -274,7 +274,7 @@ def add_kid(self):
         Construct a Key ID using the thumbprint method and add it to
         the key attributes.
         """
-        self.kid = b64e(self.thumbprint("SHA-256")).decode("utf8")
+        self.kid = self.thumbprint("SHA-256").decode("utf8")
 
     def appropriate_for(self, usage, **kwargs):
         """