mirror of https://github.com/dirtbags/moth.git
14 lines
374 B
Python
14 lines
374 B
Python
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def transform(text, map):
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size = len(map)
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div = len(text) % size
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assert div == 0, 'Text must be a multiple of the key size in length. '\
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'At %d out of %d' % (div, size)
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out = bytearray()
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i = 0
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while i < len(text):
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for j in range(size):
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out.append( text[i + map[j]] )
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i = i+size
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return bytes(out)
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