jose.py 文件源码

def key_to_pubkey(key):
    if isinstance(key, bytes):
        return key
    elif isinstance(key, ec.EllipticCurvePrivateKey):
        return key.public_key()
    elif isinstance(key, rsa.RSAPrivateKey):
        return key.public_key()
    else:
        raise ValueError('RFC 7518 non-compliant key: ' + str(type(key)))