__init__.py 文件源码

def _basic_rsa_signature(formatted, options):
    private_key = serialization.load_pem_private_key(
        options["privateKeyPem"],
        password=None,
        backend=default_backend())
    signed = private_key.sign(
        formatted,
        # I'm guessing this is the right padding function...?
        padding.PSS(
            mgf=padding.MGF1(hashes.SHA256()),
            salt_length=padding.PSS.MAX_LENGTH),
        hashes.SHA256())
    return base64.b64encode(signed).decode("utf-8")