一、密码字典
所谓密码字典，主要是配合解密使用，一般情况用来暴力破解密码，是由指定字符排列组合组成的文本文件。如果知道密码设置的规律指定性生成密码，会对破解密码有决定性的帮助！！
二、字典生成
1.生成6位数小写字母+数字密码字典
代码如下（示例）：
import itertools as its
words = 'abcdefghijklmnopqrstuvwxyz1234567890' #采用的字符
r = its.product(words, repeat=6) # repeat 要生成多少位的字典
dic = open("pass.txt", "a") #保存
for i in r:
dic.write("".join(i))
dic.write("".join("\r"))
dic.close()2.选择模式运行
python dictionary.py default
python dictionary.py numonly
python dictionary.py letteronly代码如下（示例）：
import itertools as its
import argparse
def run_default(length,filename):
global words
'''
words='ha'
if numonly == True:
words="1234567890"
else:
words="1234567890qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM"
'''
words="1234567890qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM"
r =its.product(words,repeat=length)
dic = open(filename,'a')
for i in r:
dic.write("".join(i))
dic.write("".join("\n"))
dic.close()
def run_numonly(length,filename):
global words
words="1234567890"
r =its.product(words,repeat=length)
dic = open(filename,'a')
for i in r:
dic.write("".join(i))
dic.write("".join("\n"))
dic.close()
def run_letteronly(length,filename):
global words
words="qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM"
r =its.product(words,repeat=length)
dic = open(filename,'a')
for i in r:
dic.write("".join(i))
dic.write("".join("\n"))
dic.close()
if __name__ == "__main__":
choices={"default":run_default,"numonly":run_numonly,"letteronly":run_letteronly}
parser=argparse.ArgumentParser(description='快速生成密码字典')
parser.add_argument('model',choices=choices,help='选择哪个模式运行')
parser.add_argument('--length',metavar='length',type=int,default=3,help="密码字典内密码的长度")
parser.add_argument('-filename',metavar='filename',type=str,default='password.txt',help="密码字典文件昵称")
#parser.add_argument('-numonly',metavar='numonly',type=bool,default=False,help="是否只含有数字")
args=parser.parse_args()
func=choices[args.model]
func(args.length,args.filename)
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