57, 59, 67, 206

1 files changed, 41 insertions, 0 deletions

diff --git a/euler59.py b/euler59.py
new file mode 100644
index 0000000..fe297c0
--- /dev/null
+++ b/euler59.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python
+
+cipher_bytes = list(map(int, (input().split(','))))
+cipher_with_index = list(zip(range(0, len(cipher_bytes)), cipher_bytes))
+
+def decrypt(key, cwi):
+    def dec(tup):
+        i, c = tup
+        return c^key[i%3]
+
+    return list(map(dec, cwi))
+
+def toText(t):
+    s = ''
+    for c in t:
+        s = s + chr(c)
+    return s
+
+def asciisum(t):
+    s = 0
+    for c in t:
+        s = s + c
+    return s
+
+
+def allprint(a):
+    for c in a:
+        if c >= 0x7f or c < 0x20:
+            return False
+    return True
+
+
+key = [ord('a')] * 3
+
+for key[0] in range(ord('a'), ord('z')+1):
+    for key[1] in range(ord('a'), ord('z')+1):
+        for key[2] in range(ord('a'), ord('z')+1):
+            decrypted = decrypt(key, cipher_with_index)
+            if allprint(decrypted):
+                print(toText(decrypted))
+                print(asciisum(decrypted))