def main():
for i in range(1000):
key = substitution.getRandomKey()
message = random_string()
print('Test %s: String: "%s.."' % (i + 1, message[:50]))
print("Key: " + key)
encrypted = substitution.translateMessage(message, key, 'E')
decrypted = substitution.translateMessage(encrypted, key, 'D')
if decrypted != message:
print('ERROR: Decrypted: "%s" Key: %s' % (decrypted, key))
sys.exit()
print('Substutition test passed!')
def main():
for i in range(1000):
key = substitution.getRandomKey()
message = random_string()
print('Test %s: String: "%s.."' % (i + 1, message[:50]))
print("Key: " + key)
encrypted = substitution.translateMessage(message, key, 'E')
decrypted = substitution.translateMessage(encrypted, key, 'D')
if decrypted != message:
print('ERROR: Decrypted: "%s" Key: %s' % (decrypted, key))
sys.exit()
print('Substutition test passed!')
def decryptWithCipherletterMapping(ciphertext, letterMapping):
# Return a string of the ciphertext decrypted with the letter mapping,
# with any ambiguous decrypted letters replaced with an _ underscore.
# First create a simple sub key from the letterMapping mapping.
key = ['x'] * len(LETTERS)
for cipherletter in LETTERS:
if len(letterMapping[cipherletter]) == 1:
# If there's only one letter, add it to the key.
keyIndex = LETTERS.find(letterMapping[cipherletter][0])
key[keyIndex] = cipherletter
else:
ciphertext = ciphertext.replace(cipherletter.lower(), '_')
ciphertext = ciphertext.replace(cipherletter.upper(), '_')
key = ''.join(key)
# With the key we've created, decrypt the ciphertext.
return substitution.translateMessage(ciphertext, key, 'D')
def decryptWithCipherletterMapping(ciphertext, letterMapping):
# Return a string of the ciphertext decrypted with the letter mapping,
# with any ambiguous decrypted letters replaced with an _ underscore.
# First create a simple sub key from the letterMapping mapping.
key = ['x'] * len(LETTERS)
for cipherletter in LETTERS:
if len(letterMapping[cipherletter]) == 1:
# If there's only one letter, add it to the key.
keyIndex = LETTERS.find(letterMapping[cipherletter][0])
key[keyIndex] = cipherletter
else:
ciphertext = ciphertext.replace(cipherletter.lower(), '_')
ciphertext = ciphertext.replace(cipherletter.upper(), '_')
key = ''.join(key)
# With the key we've created, decrypt the ciphertext.
return substitution.translateMessage(ciphertext, key, 'D')
