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37 lines
1.1 KiB
Python
37 lines
1.1 KiB
Python
from __future__ import print_function
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import time, os, sys
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import transposition_cipher as transCipher
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def main():
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inputFile = 'Prehistoric Men.txt'
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outputFile = 'Output.txt'
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key = int(input('Enter key: '))
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mode = input('Encrypt/Decrypt [e/d]: ')
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if not os.path.exists(inputFile):
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print('File %s does not exist. Quitting...' % inputFile)
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sys.exit()
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if os.path.exists(outputFile):
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print('Overwrite %s? [y/n]' % outputFile)
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response = input('> ')
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if not response.lower().startswith('y'):
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sys.exit()
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startTime = time.time()
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if mode.lower().startswith('e'):
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content = open(inputFile).read()
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translated = transCipher.encryptMessage(key, content)
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elif mode.lower().startswith('d'):
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content = open(outputFile).read()
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translated =transCipher .decryptMessage(key, content)
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outputObj = open(outputFile, 'w')
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outputObj.write(translated)
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outputObj.close()
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totalTime = round(time.time() - startTime, 2)
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print(('Done (', totalTime, 'seconds )'))
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if __name__ == '__main__':
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main()
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