48 lines
1.5 KiB
Python
48 lines
1.5 KiB
Python
#!/usr/bin/env python3
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def decrypt():
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#genereta tri mestni kluc (mozne so samo male crke)
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#decrypta podano besedilo enc_text in ga vrze v percentege
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#ce je vec kot 50% besed angleskih ga doda na list results
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eng=text()
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results=[]
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with open("data/059_cipher.txt") as f:
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r=f.read()
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enc_text=list(map(int,r.split(",")))
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key=[]
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for a in range(97,123):
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for b in range(97,123):
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for c in range(97,123):
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dec_text=""
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for char in range(0,len(enc_text)-2,3):
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if enc_text[char]^a in range(0, 128):
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dec_text+=chr(enc_text[char]^a)
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if enc_text[char+1]^b in range(0, 128):
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dec_text+=chr(enc_text[char+1]^b)
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if enc_text[char+2]^c in range(0, 128):
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dec_text+=chr(enc_text[char+2]^c)
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if percentege(dec_text.upper().split(" "),eng)>50:
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results.append(dec_text)
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key.append([a,b,c])
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return results[0]
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def text():
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with open("data/098_words.txt") as f:
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r=f.read()
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r=r.split('","')
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r[0]=r[0][1:]
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r[-1]=r[-1][:-1]
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return r
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def percentege(x,y):
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#x je besedilo, y je list vecine ang besed, vrne ujemanje obeh v %
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total=0
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for i in x:
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if i in y:
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total+=1
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return (float(total)/len(x))*100
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if __name__ == '__main__':
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text = decrypt()
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print(sum(map(ord, text)))
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