Cracking an Encryption completed

subhayuroy · Sep 16, 2020 · 1c4d80d · 1c4d80d
1 parent 7afd832
commit 1c4d80d
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diff --git a/.idea/vcs.xml b/.idea/vcs.xml
diff --git a/Cracking an Encryption/cracking.py b/Cracking an Encryption/cracking.py
@@ -0,0 +1,22 @@
+import sys
+
+def decrypt(k, cipher):
+    plaintext = ''
+    for each in cipher:
+        p = (ord(each) - k) % 126
+
+        if p < 32:
+            p += 95
+            plaintext += chr(p)
+            print(plaintext)
+
+def main(argv):
+    if len(sys.argv) != 1:
+        sys.exit('Usage: cracking.py')
+        cipher = input("Enter message= ")
+
+        for i in range(1, 95):
+            decrypt(i, cipher)
+
+if __name__ == '__main__':
+    main(sys.argv[1:])