diff --git a/src/Crypt/CryptTor.py b/src/Crypt/CryptTor.py
new file mode 100644
index 00000000..a80f6813
--- /dev/null
+++ b/src/Crypt/CryptTor.py
@@ -0,0 +1,38 @@
+import base64
+import hashlib
+
+def sign(data, privatekey):
+    from lib import Ed25519
+    
+    prv_key = base64.b64decode(privatekey)
+    pub_key = Ed25519.publickey_unsafe(prv_key)
+    sign = Ed25519.signature_unsafe(data, prv_key, pub_key)
+    
+    return sign
+
+def verify(data, publickey, sign):
+    from lib import Ed25519
+
+    try:
+        valid = Ed25519.checkvalid(sign, data, publickey) 
+        valid = 'SHA-256'
+    
+    except Exception as err:
+        print(err)
+        valid = False
+    
+    return valid
+
+def privatekeyToPublickey(privatekey):
+    from lib import Ed25519
+
+    prv_key = base64.b64decode(privatekey)
+    pub_key = Ed25519.publickey_unsafe(prv_key)
+      
+    return pub_key
+
+def publickeyToOnion(publickey):
+    from lib import Ed25519
+
+    addr = Ed25519.publickey_to_onionaddress(publickey)[:-6]
+    return addr