add some P-256K/ES256K tests

Author: jschlyter

tests/test_06_jws.py

@@ -511,7 +511,12 @@ def test_jws_mm():
 
 @pytest.mark.parametrize(
     "ec_func,alg",
-    [(ec.SECP256R1, "ES256"), (ec.SECP384R1, "ES384"), (ec.SECP521R1, "ES512")],
+    [
+        (ec.SECP256R1, "ES256"),
+        (ec.SECP384R1, "ES384"),
+        (ec.SECP521R1, "ES512"),
+        (ec.SECP256K1, "ES256K"),
+    ],
 )
 def test_signer_es(ec_func, alg):
     payload = "Please take a moment to register today"

tests/test_09_jwt.py

@@ -212,6 +212,7 @@ def test_msg_cls():
     {"type": "RSA", "use": ["sig"]},
     {"type": "RSA", "use": ["enc"]},
     {"type": "EC", "crv": "P-256", "use": ["sig"]},
+    {"type": "EC", "crv": "P-256K", "use": ["sig"]},
     {"type": "EC", "crv": "P-384", "use": ["sig"]},
 ]
 
@@ -230,6 +231,9 @@ def test_pick_key():
     _k = pick_key(keys, "sig", "ES384")
     assert len(_k) == 1
 
+    _k = pick_key(keys, "sig", "ES256K")
+    assert len(_k) == 1
+
     _k = pick_key(keys, "enc", "RSA-OAEP-256")
     assert len(_k) == 1