Add extracted tools: CitrineOS, OpenOCPP, ShapeShifter

- CitrineOS core extracted (CSMS OCPP 2.0.1)
- OpenOCPP extracted (firmware OCPP 1.6J/2.0.1)
- ShapeShifter library installed (pip install -e)
- ShapeShifter specification extracted
- EVerest extracted

TODO updated with progress

tools/shapeshifter-library-python-main/test/test_seal_and_unseal.py

@@ -0,0 +1,69 @@
+import re
+from base64 import b64encode
+from datetime import datetime, timezone
+from unittest.mock import patch
+
+import dns.resolver
+import pytest
+from nacl.bindings import crypto_sign, crypto_sign_keypair
+
+from shapeshifter_uftp import TestMessage as UFTPTestMessage
+from shapeshifter_uftp.exceptions import InvalidSignatureException, SchemaException
+from shapeshifter_uftp.transport import get_key, seal_message, unseal_message
+
+public, private = crypto_sign_keypair()
+public_base64 = b64encode(public)
+private_base64 = b64encode(private)
+
+
+def test_seal_unseal_message():
+    msg = UFTPTestMessage(
+        version="3.1.0",
+        sender_domain="dso.dev",
+        recipient_domain="cro.dev",
+        time_stamp=datetime.now(timezone.utc).isoformat(),
+        message_id="1234",
+        conversation_id="1234"
+    )
+    msg.version = "3.1.0"
+    sealed = seal_message(msg, private_base64)
+    unsealed = unseal_message(sealed, public_base64)
+    assert msg == unsealed
+
+
+def test_tampered_message():
+    msg = UFTPTestMessage(
+        version="3.1.0",
+        sender_domain="dso.dev",
+        recipient_domain="cro.dev",
+        time_stamp=datetime.now(timezone.utc).isoformat(),
+        message_id="1234",
+        conversation_id="1234"
+    )
+    msg.version = "3.1.0"
+    sealed = seal_message(msg, private_base64)
+    sealed = bytes([sealed[0] + 1]) + sealed[1:]
+    with pytest.raises((InvalidSignatureException, SchemaException)):
+        unseal_message(sealed, public_base64)
+
+
+def test_invalid_message():
+    msg = '<?xml version="1.0" encoding="UTF-8"?><Hello />'.encode()
+    sealed = crypto_sign(msg, private)
+    with pytest.raises(SchemaException):
+        unsealed = unseal_message(sealed, public_base64)
+
+
+def test_seal_invalid_type():
+    msg = "Hello"
+    with pytest.raises(TypeError):
+        sealed = seal_message(msg, private_base64)
+
+
+def patched_resolve(*args, **kwargs):
+    return dns.resolver.resolve_at("1.1.1.1", *args, **kwargs)
+
+@patch.object(dns.resolver, 'resolve', new=patched_resolve)
+def test_get_key():
+    key = get_key("enexis.dev", "dso")
+    assert re.match(r'[0-9A-Za-z+/=]{44}', key)