Initial Commit

Day 4/decode.py

@@ -0,0 +1,37 @@
+#!/usr/bin/python
+
+pirates = ['0' for i in range(48)]
+
+p = ''.join(pirates)
+s = '::)"<.vd]!&a{":r>Qyh 7';
+length = len(s)
+
+f='HV18-';
+
+def subnum(i):
+    return int(p[i*2:i*2+2])
+
+for i in range(length):
+    a = ord(s[i])
+    b = subnum(i)
+    f += chr(a ^ b)
+
+print(f)
+
+# indizes: 4, 9, 14, 19
+# xxxx-xxxx-xxxx-xxxx
+correctKey = "00000000"
+for i in range(4):
+    pos = 4 + i*5
+    key = ord(s[pos]) ^ ord('-')
+    correctKey += "%02d%s" % (key, "00000000")
+
+data = [correctKey[i:i+4] for i in range(0, len(correctKey), 4)]
+
+print(correctKey)
+print(data)
+
+js = ""
+for i in range(len(data)):
+    js += "document.getElementById('pirate%02d').value='%s';\n" % (i + 1, data[i])
+print(js)