Python decrypt tools

看了某本書的靈感，寫了找回自己密碼的小工具

full permutation generator

#!/usr/bin/python                                                               
                                                                                
import sys                                                                      
                                                                                
alpha = ""                                                                      
def f(base, l):                                                                 
    global alpha                                                                
    if l > 0:                                                                   
        ubase = base                                                            
        for i in alpha:                                                         
            base += i                                                           
            print base                                                          
            f(base, l-1)                                                        
            base = ubase
            
if __name__ == '__main__':                                                      
    if len(sys.argv) != 3:                                                      
        print "Usage: ./gen.py aAdx 10"                                         
        sys.exit(1)                                                             
    else:                                                                       
        if 'a' in sys.argv[1]: alpha += "abcdefghijklmnopqrstuvwxyz"            
        if 'A' in sys.argv[1]: alpha += "ABCDEFGHIJKLMNOPQRSTUVWXYZ"            
        if 'd' in sys.argv[1]: alpha += "0123456789"                            
        if 'x' in sys.argv[1]: alpha += """\"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~ """
                                                                                
#        print "use this string: \n" + alpha + "\n"                             
#        raw_input()                                                            
                                                                                
        f("", int(sys.argv[2])) 

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和基於字典檔的 decrypt tool

/usr/share/dict, 或是也可以由以上工具產生 ;-)

#!/usr/bin/python                                                               
                                                                                
import crypt                                                                    
import sys                                                                      
                                                                                
def testPass(cryptPass, dic):                                                   
    salt = cryptPass[0:2]                                                       
    dictFile = open(dic, 'r')                                                   
                                                                                
    for word in dictFile.readlines():                                           
        word = word.strip('\n')                                                 
        ced = crypt.crypt(word, salt)                                           
        if (ced == cryptPass):                                                  
            print "[+] Found Password: " + word + "\n"                          
            return                                                              
                                                                                
    print "[-] Password Not Found.\n"                                           
    return                                                                      
                                                                                
                                                                                
if __name__ == "__main__":                                                      
    if len(sys.argv) != 3:                                                      
        print 'Usage: ./crypt_crack.py "$CRYPT" "$DICT_FILE"'                   
    else:                                                                       
        testPass(sys.argv[1], sys.argv[2])