何必择地？何必择时？但问立志之真不真耳！
一个资质平庸却努力上进的普通人，我希望，当我回首往事时，不因虚度年华而悔恨，也不因碌碌无为而羞愧，我可以对自己说：我，不负此生。
#!/usr/bin/env python# -*- coding: utf-8 -*-try:from cisco_decrypt import CiscoPasswordexcept ImportError:raise SystemExit('n模块导入错误,请使用pip进行安装!')cisco_pass = '02070D48030xxxxxxx0D0A0A20253A3B'crack = CiscoPassword()password = crack.decrypt(cisco_pass)print password
# coding=utf-8from Crypto.Cipher import DESdef decode_char(c):if c == 'a':r = '?'else:r = creturn ord(r) - ord('!')def ascii_to_binary(s):assert len(s) == 24out = [0]*18i = 0j = 0for i in range(0, len(s), 4):y = decode_char(s[i + 0])y = (y << 6) & 0xffffffk = decode_char(s[i + 1])y = (y | k) & 0xffffffy = (y << 6) & 0xffffffk = decode_char(s[i + 2])y = (y | k) & 0xffffffy = (y << 6) & 0xffffffk = decode_char(s[i + 3])y = (y | k) & 0xffffffout[j+2] = chr(y & 0xff)out[j+1] = chr((y>>8) & 0xff)out[j+0] = chr((y>>16) & 0xff)j += 3return "".join(out)def decrypt_password(p):r = ascii_to_binary(p)r = r[:16]d = DES.new("x01x02x03x04x05x06x07x08", DES.MODE_ECB)r = d.decrypt(r)return r.rstrip("x00")if __name__ == '__main__':miwen = "aK9Q4IxxxxxxxAF4<1!!"print u'明文' + decrypt_password(miwen)
原文始发于微信公众号（进德修业行道）：网络安全实验室解密关
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