cryptopals

commit 49211a163b7743a59220a9e189fe5b9a3bb9c866
parent e071794ffd90ed473d9daeca62388f3d17b45800
Author: mpizzzle <michael.770211@gmail.com>
Date:   Sat,  7 Oct 2017 15:41:14 +0100

formatting

Diffstat:
M
set1/break_repeating_key_xor.py
 | 
8
++++----

1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/set1/break_repeating_key_xor.py b/set1/break_repeating_key_xor.py
@@ -4,7 +4,7 @@ frequent_letters = "etaoi ETAOI"
 
 def distance(str1, str2):
 	return ''.join([bin(ord(a) ^ ord(b)) for a, b in zip(str1, str2)]).count('1')
-	
+
 def get_candidate_key_length(file, accuracy):
 	candidate_distance = sys.float_info.max
 	candidate_length = 0
@@ -39,12 +39,12 @@ def decrypt(key, msg):
 	return ''.join([chr(ord(key[i % len(key)]) ^ ord(char)) for i, char in enumerate(msg)])
 
 with open('files/6.txt') as f:
-    file = f.read().decode("base64")	
-	
+    file = f.read().decode("base64")
+
 key_length = get_candidate_key_length(file, 10)
 split_file = [file[i:i + key_length] for i in range(0, len(file), key_length)]
 transposed_blocks = [''.join([block[x] for block in split_file[:len(split_file)- 1]]) for x in range(key_length)]
-
 key = ''.join([get_candidate_xor_byte(transposed_block) for transposed_block in transposed_blocks])
+
 print key
 print decrypt(key, file) 
\ No newline at end of file