Added single byte XOR cipher bruteforce for hex encoded text

py3
panki27 7 years ago
parent c5efdd0c56
commit 55e98fbf72

@ -1,8 +1,43 @@
#!/usr/bin/env python
import sys, string, types, hashlib, base64, re, urllib
import sys, string, types, hashlib, base64, re, urllib, binascii
import operator
from collections import Counter
LOWER_LETTERS = [chr(x) for x in range(97, 123)]
UPPER_LETTERS = [chr(x) for x in range(65, 91)]
COMMON_LETTERS = 'ETAOIN SHRDLU'
def xorSingleBrute(encoded='', keybytes=1):
resultList = dict()
if(encoded == ''):
encoded = raw_input('Input your Hex String:')
for xor_key in range(0, 2**(keybytes*8)):
decoded = '';
for i, j in zip(encoded[::2], encoded[1::2]):
decoded += ''.join(chr(int(i+j, 16) ^ xor_key))
#if (all(c in string.printable for c in decoded)):
#if isHumanReadable(decoded):
#print(xor_key, decoded)
resultList[decoded] = commonCounter(decoded)
sortedResults = sorted(resultList.items(), key=operator.itemgetter(1))
for result, key in sortedResults[-20:]:
#if (all(c in string.printable for c in result)):
print(result)
def commonCounter(inputString, limit=7):
countObj = Counter(inputString.upper())
common = countObj & Counter(COMMON_LETTERS)
return sum(common.values())
def fixedxor(string1 = '', string2 = ''):
if(string1 == ''):
string1 = raw_input("Please input your first hex string: ")
string2 = raw_input("Please input your second hex string: ")
hex1 = int(string1, 16)
hex2 = int(string2, 16)
result = hex1 ^ hex2
print(hex(result))
def rot(inputString, amount):
outputString = ""
@ -135,19 +170,29 @@ print("3: Translation")
print("4: Base64 Encoder/Decoder")
print("5: String Reverser")
print("6: URL Encoder")
choice = input("Please make a selection: ")
if (choice == 1):
print("7: Fixed XOR")
print("8: XOR Bruteforce Single Byte ")
choice = raw_input("Please make a selection: ")
if (choice == "1"):
rotPrompt()
elif (choice == 2):
elif (choice == "2"):
hashPrompt()
elif (choice == 3):
elif (choice == "3"):
translatePrompt()
elif(choice == 4):
elif(choice == "4"):
base64prompt()
elif(choice == 5):
elif(choice == "5"):
reverser()
elif(choice == 6):
elif(choice == "6"):
urlEncoder()
elif(choice[0] == "7"):
if(len(choice) > 1):
argList = choice.split(" ")
fixedxor(argList[1], argList[2])
else:
fixedxor()
elif(choice == "8"):
xorSingleBrute()
print("Thank you for flying with PankiCrypt Airlines!")

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