streamlined the layout, don't need a package

cryptlib.py

@@ -0,0 +1,14 @@
+import base64
+
+
+# this function takes a string representing hex, converts to bytes, and re-encodes to base64
+def hex_to_base64(hex_string):
+    byte_array = bytearray.fromhex(hex_string)
+    base64_value = base64.b64encode(byte_array)
+    return base64_value
+
+# this function takes two hex strings, converts them to bytes, and xor's them
+def byte_xor(bs1, bs2):
+    byte_array1 = int(bs1,16)
+    byte_array2 = int(bs2,16)
+    return byte_array1 ^ byte_array2