The dmg file extension is associated with disk image files created for Mac OS X (macOS). The DMG file format is used for mountable disk images, which can be opened (mounted) with the Finder a default file manager included in OS X (macOS).The dmg files can also be mounted in most popular emulation utilities. Now the folder is locked by password. When you or someone else tries to open the.dmg file, a dialog box will pop up asking for password. Those who don’t know the correct password won’t be able to open the disk image and access the files in it. Once you enter the correct password, the file will appear in the sidebar in Finder.

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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

You know who you are: a) your passwords are scribbled on a tattered and torn piece of paper right next to your computer; b) your spouse’s credit card number or social security number is on a post-it note next to the mouse; or c) you create a Christmas shopping list and save it on your desktop as “DO NOT READ.”

Save yourself the hassle of applying for a new social or ruining Christmas for everyone. You can create an encrypted, password protected folder on a mac without using any third-party software and it is done in just 5 easy steps – by creating an encrypted disk image.

1. Open Disk Utility by navigating to Applications > Utilities > Disk Utilities.

2. Choose File > New > Blank Disk Image or click the New Image icon.

3. Cummins insite 7 x keygen. In the New Blank Image window that appears, name the new secure folder or “image.” Next, choose your desired size from the pop-up menu that is sufficient to hold your super-secret data. Then, from the Encryption pop-up menu choose 128-bit AES Encryption (secure enough for all of us and faster than 256-bit). Finally, choose either read/write or Sparse Disk Image from the Image Format pop-up menu and click Create.

A read/write disk image takes up a set amount of space on the drive, while a sparse image is a type of disk image file that grows in size as the user adds data, taking up only as much disk space as stored in it.

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4. At this point, you will be prompted for a password. Click one that is easy for you to remember, as a lost password means all the files on the image are lost too.

Remember to uncheck the ‘Remember Password in My Keychain’ option. Otherwise, anybody sitting down at your computer will have access to your image – which would defeat the purpose of this whole helpful article

Click OK and both the sparse image file and mounted image are created. This will look familiar to anyone who has put an external drive into their computer before.

5. Double click the image to mount the “folder.” Drag the content that you want to protect into the mounted image.

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When you’re done with it, drag the mounted image to the trash to eject it or right-click it and choose “Eject.” When you next need it, double-click on the image file and enter its password when prompted.

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With these 5 simple steps you can create a password protected folder on your mac. While this is an effective means of keeping data from the prying eyes of thieves or children, as explained above, it is far from secure as anyone can simply delete the image. If you really want to secure and protect data for your personal computer or business, call FloridaPro Computing.