python实例31[生成随即的密码]

最新推荐文章于 2023-11-25 21:08:10 发布

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本文介绍了一个使用Python编写的随机密码生成器，可根据强度要求生成不同复杂度的密码，并通过替换规则增强安全性。

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代码：

import random
import string
import time

# strong.high = 3  #random for the whole passwd
# storng.middle = 2  # include one special sign
# strong.ow = 1  # just include characters or digits

def mkpassByRandom(size = 8 , strong = 2 ):
    chars = []
    chars.extend([i for i in string.ascii_letters])
    chars.extend([i for i in string.digits])
    chars.extend([i for i in ' \ '" !@#$%&*()-_=+[{}]~^,<.>;:/?'])

    passwd = ''
    strong = int(strong)

     if (strong <= 1 ) :
      for i in range(size):
       passwd += chars[random.randint(0,len(string.ascii_letters + string.digits) - 1 )]
       random.seed = int(time.time())
     elif (strong == 2 ):
       newpasswd = ''
        for i in range(size - 1 ):
         newpasswd += chars[random.randint(0,len(string.ascii_letters + string.digits) - 1 )]
         random.seed = int(time.time())
       newpasswd += chars[random.randint(len(string.ascii_letters + string.digits) , len(chars) - 1 )]
       ll = [ch for ch in newpasswd]
       random.shuffle(ll)
        for l in ll:
         passwd += l
     elif (strong >= 3 ):
       for i in range(size):
        passwd += chars[random.randint(0,  len(chars) - 1 )]
        random.seed = int(time.time())
        random.shuffle(chars)
     else :
       pass

     return passwd

def rule1(ch):
    rulesdict = { ' o ' : 0, ' i ' : ' ! ' , ' b ' : 8 , ' p ' : ' P ' , ' m ' : ' M ' }
    newch = ch

     if ch in rulesdict.keys():
      newch = rulesdict[ch]
     return newch

def rule2(ch):
   if (ch.isupper()):
     return ch.lower()
   elif (ch.islower()):
     return ch.upper()
   return ch

def mkpassByRules(passwd, * rules ):
   if (passwd == "" or len(rules) == 0):
     return passwd

  newpasswd = ""
   for c in passwd:
    r = random.randint(0, len(rules) - 1 )
    ch = (rules[r])(c)
    newpasswd += str(ch)

   return newpasswd

def mkpass(size = 8 , strong = 2 , initpasswd = "" ):
   if ( not initpasswd == "" ):
     return mkpassByRules(initpasswd, rule1, rule2)
   else :
     return mkpassByRandom(size,strong)

print ( mkpass(initpasswd = " Password123 " ))
print ( mkpass(strong = 1 ))
print ( mkpass(strong = 2 ))
print ( mkpass(strong = 3 ))

参考：http://code.activestate.com/recipes/577339-random-passwords/

完！