From 62bbbee41b273c9e01707803f66654ffc73fffb2 Mon Sep 17 00:00:00 2001
From: Sanket Baraiya <56958135+SanketBaraiya@users.noreply.github.com>
Date: Sat, 30 Oct 2021 15:11:32 +0530
Subject: [PATCH] Create Vigenere Cipher.py

Vigenere Cipher Using Python
---
 Python/Vigenere Cipher.py | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 Python/Vigenere Cipher.py

diff --git a/Python/Vigenere Cipher.py b/Python/Vigenere Cipher.py
new file mode 100644
index 0000000..c6b7d29
--- /dev/null
+++ b/Python/Vigenere Cipher.py	
@@ -0,0 +1,38 @@
+matrix = []
+for i in range(26):
+    temp = []
+    for j in range(26):
+        tempVal = i+j+65
+        if tempVal <= 90:
+            temp.append(chr(tempVal))
+        else:
+            tempVal = (tempVal % 65) + 39
+            temp.append(chr(tempVal))
+    matrix.append(temp)
+print("================")
+print("Vigenere Table")
+print("================")
+for rows in matrix:
+    print(rows)
+
+cipherText = ''
+auto = False
+plainText = list(
+    (input("\nEnter Your Plain Text :: ").upper()).replace(" ", ""))
+key = list((input("Enter Your Key :: ").upper()).replace(" ", ""))
+
+c = 0
+while len(key) != len(plainText):
+    auto = True
+    key.append(plainText[c])
+    c += 1
+if auto == True:
+
+    print("Auto Key Generated: ", end="")
+    print(''.join(map(str, key)))
+
+for i in range(len(plainText)):
+    pNo, kNo = ord(plainText[i])-65, ord(key[i])-65
+    cipherText += matrix[kNo][pNo]
+
+print("\nCipher Text:", cipherText)