Apple Disk Images are files (usually with the.DMG extension) which the Mac OS X operating system uses to store disk images, with optional data compression and encryption.Such images can be mounted as volumes to access stored data directly from the operating system. Simply copy-paste as necessary. This FileValue / DMG setup makes it very convenient to only have to remember a small hand full of passwords, including the admin password, to access everything important and without sacrificing security. Well, convenient up until the point where you forget a DMG password.

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A dmg file is a compressed file structure, capable of containing folders, files, etc. Dmg files can be used for a variety of purposes, from encrypting a home directory (ie – FileVault) to encrypting a file structure manually. A dmg file can be encrypted fairly simply. From Disk Utility, create a dmg file by clicking on the File menu and selecting New and then Blank Disk Image. This will bring up a screen where you can provide a name for your home folder and a size, then select either AES 128 or AES 256, which is a bit slower.Go ahead and click on Create and then at the resultant password screen go ahead and provide a password to be used. And let’s just go ahead and uncheck the option to create an entry in Keychain for the password.If you would rather do so from the command line I covered how to do so in a previous post.Now let’s download Spartan, a tool built by Ryan Kubasiak. Now download a dictionary file. I just used one of these (and for expedience sake I paired down the contents to only have about 100 possible passwords, one of which was mine). Now go ahead and open Spartan, clicking on Go! at the splash screen.At the Choose a File screen, browse to and then select your password file, clicking Choose once you have done so. At the next Choose a File screen browse to and then select your dmg file which you would like to crack the password for. The password file will then be read into RAM and the password cracking will commence.According to the length of your password this could take a long, long time, but when it’s done you will have your password, assuming it was in the dictionary of passwords you used. Dictionary files can be downloaded from a variety of sources, some collections taking up gigabytes upon gigabytes of space and covering every possible keyboard combination. Therefore, the longer the password that you use and the more complex the password is, the longer it will take to break the encryption.“So, would your holiness care to change her password?” – The Plague

If forgot RAR password, how can you unrar or unzip rar file?

Probably you cannot find a way to directly unzip encrypted rar archive, but as long as you retrieve RAR password, it would be possible. Don't you think so? Now the article will talk about this problem from this point of view in two parts.

How to Retrieve Forgotten RAR File Password?

Free notepad, RAR Password Genius Standard and Professional version would be used in this part to retrieve RAR file password. But all of them could recover all kinds of RAR password. Surely it is not. Follow article in this part please and find the best way for you to get RAR password.

3 Ways to Retrieve RAR File Forgotten Password

Way 1: Retrieve RAR Forgotten Password with Notepad

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Notepad is common and free for everyone to use on computer. Just type several commands in notepad and run it, you would probably find RAR password, because it is only available for numeric RAR password. It is still worth a try if you don't know anything about RAR forgotten password.

1-1 Type commands in new notepad and save it rar-password.bat.

The commands consist of lot of lines, so now I will not list them. If you want to get more information or copy the command to use, just go to see the article free way to find rar password.

1-2 Double-click bat file and open a command prompt window.

1-3 Input RAR file name and press Enter to type RAR file path.

Look at RAR file properties and get its name and path. Type them in appropriate location in opening window.

1-4 Press Enter again in window to find specified RAR file password.

Once you press Enter, commands in bat file will run to find password for RAR file you just specify name and path. Probably instantly, or a period of time later, you would get RAR file password. But don't be disappointed. There are still another two utilities that can easily and fast recover RAR password in following.

Way 2: Retrieve RAR Password with RAR Password Genius Standard

If you have only one computer used to retrieve RAR password, RAR Password Genius Standard is a better choice. If there is not only one computer in Local Area Network can be used, I would recommend you way 3 to get RAR password faster with Professional version.

2-1 On RAR Password Genius information page, choose Standard version and install it on computer.

2-2 Add encrypted RAR file with Open button after you run RAR Password Genius Standard.

2-3 Set password attack type, password range, length, mask or dictionary path etc parameters.

2-4Start to retrieve RAR password with password attack type you choose.

How much time it would cost?

It would depend on RAR password complexity, password attack type you choose and parameters you set. So besides password complexity, there are still two factors we could control to accelerate RAR password recovery.

Way 3: Retrieve RAR Password with RAR Password Genius Professional

Different from way 2, RAR Password Genius Professional would largely improve RAR password recovery speed by mainly creating password recovery client program run on other computers in same LAN (Local Area Network). Similarly, you can set password recovery range and length too on Professional version.

Step 1: Install and run RAR Password Genius Professional on your PC.

Step 2: Create and run client program iSunshare RAR Peer on other PCs in LAN.

1. Click Make Peer button on RAR Password Genius Professional and you would get installation file of client program instantly.

2. Send the installation file to other available computers in same LAN, and install then launch iSunshare RAR Peer.

Tips: iSunshare RAR Peer is not working now, until it receives information from main program RAR Password Genius Professional.

Step 3: Import encrypted RAR file into RAR Password Genius Professional and set password range/length.

It is the same to Standard version. But only password range and length you can choose to shorten password recovery time in Professional version.

Step 4: Start main program and client programs work to retrieve RAR password together.

1. Don't be hesitated to click Start button on RAR Password Genius Professional.

2. If the network is no problem, iSunshare RAR Peer on all computers in the LAN would begin to work. All of them would help to check possible passwords one by one according to the range and length you set.

3. Until RAR file password is recovered and pops up on RAR Password Genius Professional, client program iSunshare RAR Peer would be back to status 'Not Work'.

Maybe it seems complex when you choose RAR Password Genius Professional. But in fact, what you need to do more is just creating and installing client program in the LAN. And sometimes you would don't have to do by yourself if you can call others for help. Besides, if the encrypted RAR file is protected with powerful or complex password, one computer is not enough to find RAR password in short time. What you can do is to let more and more accessible computers join in RAR password recovery. So in order to unrar encrypted RAR file soon, RAR Password Genius Professional is a good choice.

How to Open and Unrar Encrypted RAR File?

After trying to retrieving RAR password with above three ways, believe you have had encrypted RAR file password in hand. Now in this part, just use password to open and unrar encrypted RAR file.

How To Retrieve A Password From Dmg Files

1. Double-click encrypted RAR file and open it in WinRAR etc compression software.

2. Click Extract to button on toolbar, and confirm location to save RAR files after unraring archive. Click OK.

3. Type RAR file password in input box and click OK to unrar rar file.

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Instantly, encrypted RAR archive is unzipped successfully and you can edit documents stored in it.

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