利用unrarlib库实现对加密rar文件的密码爆力破解

import ctypes
import io
import os
import sys
import itertools

from unrar import constants
from unrar import unrarlib

nums = [str(i) for i in range(10)]
chrs = [chr(i) for i in range(65, 91)]
charsaz = [chr(i) for i in range(97,122)]

if sys.version < '3':
    def b(x):
        return x
else:
    def b(x):
        if x is not None:
            # encode using DOS OEM standard
            return x.encode('cp437')     


nums = [str(i) for i in range(10)]
chrs = [chr(i) for i in range(65, 91)]
charsaz = [chr(i) for i in range(97,122)]

for i in range(2,16,1):
    pwddict = itertools.permutations(nums + chrs + charsaz, i)
    
    for testword in pwddict:
        print(testword)
        inword=''.join(testword)
        
        try:
            # 创建一个RAROpenArchiveData数据
            archive_data = unrarlib.RAROpenArchiveDataEx('f:\\py\\hash.rar', mode=constants.RAR_OM_EXTRACT)
        except unrarlib.UnrarException:
            print("RAROpenArchiveDataEx Error!")
            
        try:
            handle = unrarlib.RAROpenArchiveEx(ctypes.byref(archive_data))
        except unrarlib.UnrarException:
            print("RAROpenArchiveEx Error!")
            
        try:    
            unrarlib.RARSetPassword(handle, b(inword))
        except unrarlib.UnrarException:
            print("RAROpenArchiveEx Error!")

        try:    
            header_data = unrarlib.RARHeaderDataEx()
        except unrarlib.UnrarException:
            print("RARHeaderDataEx Error!")
        
        try:
            res = unrarlib.RARReadHeaderEx(handle, ctypes.byref(header_data))
            #print('FileCRC:%d' % header_data.FileCRC)
        except unrarlib.UnrarException:
            print("RARReadHeaderEx Error!")

        try:    
            unrarlib.RARProcessFileW(handle, constants.RAR_EXTRACT, 'f:\\py', 'hash.exe')
            print('sucess:%s' % testword)
        except unrarlib.UnrarException:
            #print("RARProcessFileW error!")
            pass
            
        try:
            unrarlib.RARCloseArchive(handle)
        except unrarlib.UnrarException:
            print("RARCloseArchive error!")
            
        

代码中实现了从2位组合到16位组合的穷举破解过程