HideToSee

hide_to_see/encrypted.txt

@@ -0,0 +1 @@
+krxlXGU{zgyzhs_xizxp_zx751vx6}

hide_to_see/sol.py

@@ -0,0 +1,20 @@
+#!/home/maxime/.pyvenv/bin/python3
+
+def decode(char):
+    char = ord(char)
+    a = ord('a')
+    z = ord('z')
+    A = ord('A')
+    Z = ord('Z')
+
+    if a <= char and char <= z:
+        return chr(z - (char - a))
+    if A <= char and char <= Z:
+        return chr(Z - (char - A))
+    return chr(char)
+
+with open("encrypted.txt", 'r') as f:
+    text = f.read()
+    dec = ''.join(map(decode, text))
+    print(dec)
+