31 lines
463 B
Python
31 lines
463 B
Python
#!/usr/bin/env python
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import os, sys
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import zbase32
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def main():
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if len(sys.argv) > 1:
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l = int(sys.argv[1])
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else:
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l = 64
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bl = (l + 7) / 8
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s = zbase32.b2a_l(os.urandom(bl), l)
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# insert some hyphens for easier memorization
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chs = 3 + (len(s)%8==0)
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i = chs
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while i < len(s)-1:
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s = s[:i] + "-" + s[i:]
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i += 1
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chs = 7-chs
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i += chs
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print s
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if __name__ == '__main__':
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main()
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