python-Linux密码破解器

#!/usr/bin/python
#coding=utf-8
import crypt

def testPass(cryptPass):
    salt = cryptPass[0:2]

    dictFile = open('dictionary.txt','r')

    for word in dictFile.readlines():
        word = word.strip('\n')
        cryptWord = crypt.crypt(word,salt)
        if cryptWord == cryptPass:
            print '[+] Found Password: ' + word + "\n"
            return
    print '[-] Password not Found.\n'
    return

def main():
    passFile = open('passwords.txt')
    for line in passFile.readlines():
        if ":" in line:
            user = line.split(':')[0]
            cryptPass = line.split(':')[1].strip(' ')
            print '[*] Cracking Password For : ' + user
            testPass(cryptPass)

if __name__ == '__main__':
    main()

这段代码通过分别读取两个文件，一个为加密口令文件，另一个为用于猜测的字典文件。在testPass()函数中读取字典文件，并通过crypt.crypt()进行加密，其中需要一个明文密码以及两个字节的盐，然后再用加密后的信息和加密口令进行比较查看是否相等即可。