Function test_dir_alg_xc20p

tests/jose/test_chacha20.py:27–42

()

def test_dir_alg_xc20p():
    pytest.importorskip("Cryptodome.Cipher.ChaCha20_Poly1305")

    jwe = JsonWebEncryption()
    key = OctKey.generate_key(256, is_private=True)
    protected = {"alg": "dir", "enc": "XC20P"}
    data = jwe.serialize_compact(protected, b"hello", key)
    rv = jwe.deserialize_compact(data, key)
    assert rv["payload"] == b"hello"

    key2 = OctKey.generate_key(128, is_private=True)
    with pytest.raises(ValueError):
        jwe.deserialize_compact(data, key2)

    with pytest.raises(ValueError):
        jwe.serialize_compact(protected, b"hello", key2)


def test_xc20p_content_encryption_decryption():