64 lines
1.2 KiB
Python
64 lines
1.2 KiB
Python
#!/usr/bin/python
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import re
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RE_PAIR = re.compile(r'(.)\1.*(.)\2')
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def get_next_char(ch):
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i = ord(ch) + 1
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if i > 122:
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return (True, 'a')
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return (False, chr(i))
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def get_next_password(passwd):
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result = ""
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copy = False
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overflow = None
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for pos in reversed(range(len(passwd))):
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if not copy:
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(overflow, ch) = get_next_char(passwd[pos])
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result = ch + result
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copy = not overflow
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else:
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result = passwd[pos] + result
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if overflow:
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result = 'a' + result
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return result
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def check_password(passwd):
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if passwd.count('i') > 0:
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return False
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if passwd.count('l') > 0:
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return False
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if re.search(RE_PAIR, passwd) is None:
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return False
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for pos in range(len(passwd)-2):
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x1 = ord(passwd[pos])
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x2 = ord(passwd[pos+1])
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x3 = ord(passwd[pos+2])
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if (x1 +1 != x2):
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continue
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if (x2 +1 != x3):
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continue
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break
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else:
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return False
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return True
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def main():
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input = 'vzbxkghb';
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while True:
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input = get_next_password(input)
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if check_password(input):
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break
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print input
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if __name__ == "__main__":
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main()
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