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Create Vigenere Cipher.py #329

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38 changes: 38 additions & 0 deletions Python/Vigenere Cipher.py
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Original file line number Diff line number Diff line change
@@ -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)