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fixed error (#3281)

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this will fix code from randomly throwing `SystemExit: The affine cipher becomes weak when key B is set to 0. Choose different key` exception.
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NAVEEN S R 2020-10-14 15:23:37 +05:30 committed by GitHub
parent f164e11db4
commit 35eefac359
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1 changed files with 1 additions and 1 deletions
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ciphers/affine_cipher.py
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@ -94,7 +94,7 @@ def get_random_key():
while True:
keyA = random.randint(2, len(SYMBOLS))
keyB = random.randint(2, len(SYMBOLS))
if cryptomath.gcd(keyA, len(SYMBOLS)) == 1:
if cryptomath.gcd(keyA, len(SYMBOLS)) == 1 and keyB % len(SYMBOLS) != 0:
return keyA * len(SYMBOLS) + keyB