Easy1

easy_1/sol.py

@@ -0,0 +1,13 @@
+#!/home/maxime/.pyvenv/bin/python3
+
+with open("table.txt", 'r') as f, open("key", 'r') as g, open("enc_flag", 'r') as h:
+    lines = f.readlines()
+    key = g.read().strip()
+    enc_flag = h.read().strip()
+    flag = "picoCTF{"
+    assert len(enc_flag) == len(key)
+    for p, q in zip(enc_flag, key):
+        flag += chr((ord(p) - ord(q)) % 26 + ord('A'))
+    flag += '}'
+    print(flag)
+