Create decrypt.py

CrypTools · Dec 17, 2017 · dd42969 · dd42969
1 parent 8ed31df
commit dd42969
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/Python/3.6.3/decrypt.py b/Python/3.6.3/decrypt.py
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+def decrypt():
+  initial = input('Give the message to encrypt (CAPITALS - no space or special characters) : ')
+  key = input('Give the key (lowercase letters - no space or special characters) : ')
+  lkey = len(key)
+  numeros1 = [ord(i) for i in key]
+  numeros2 = [ord(i) for i in initial]
+  output = ''
+  for i in range(len(numeros2)):
+    value = (numeros2[i] - numeros1[i % lkey]) % 26
+    output += chr(value + 65)
+  print('The decrypted message is : ' + output)