diff options
Diffstat (limited to 'jwt')
| -rw-r--r-- | jwt/algorithms.py | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/jwt/algorithms.py b/jwt/algorithms.py index 46a1a53..4c178a3 100644 --- a/jwt/algorithms.py +++ b/jwt/algorithms.py @@ -440,6 +440,41 @@ if has_crypto: return False @staticmethod + def to_jwk(key_obj): + + if isinstance(key_obj, EllipticCurvePrivateKey): + public_numbers = key_obj.public_key().public_numbers() + elif isinstance(key_obj, EllipticCurvePublicKey): + public_numbers = key_obj.public_numbers() + else: + raise InvalidKeyError("Not a public or private key") + + if isinstance(key_obj.curve, ec.SECP256R1): + crv = "P-256" + elif isinstance(key_obj.curve, ec.SECP384R1): + crv = "P-384" + elif isinstance(key_obj.curve, ec.SECP521R1): + crv = "P-521" + elif isinstance(key_obj.curve, ec.SECP256K1): + crv = "secp256k1" + else: + raise InvalidKeyError(f"Invalid curve: {key_obj.curve}") + + obj = { + "kty": "EC", + "crv": crv, + "x": to_base64url_uint(public_numbers.x).decode(), + "y": to_base64url_uint(public_numbers.y).decode(), + } + + if isinstance(key_obj, EllipticCurvePrivateKey): + obj["d"] = to_base64url_uint( + key_obj.private_numbers().private_value + ).decode() + + return json.dumps(obj) + + @staticmethod def from_jwk(jwk): try: if isinstance(jwk, str): |