Introduce cryptography testing

 + First test case will check the interoperability
   for all clients to decrypt the cipher with AES in
   CTR mode.

BasicTests/crypto.json

+[
+    {
+        "decryption_type": "aes_ctr",
+        "key": "abb51256c1324a1350598653f46aa3ad693ac3cf5d05f36eba3f495a1f51590f",
+        "cipher":  "84a727bc81fa4b13947dc9728b88fd08",
+        "payload": "000102030405060708090a0b0c0d0e0f"
+    },
+]