what is teh password to unlock iphone backup on itunes

One might assume that the key is a manipulation of the 'backup password' that users are prompted to enter by iTunes and passed to ' AppleMobileBackup.exe', padded in a fashion dictated by CBC.

That's a pretty good clue, and there's some good info here on Stackoverflow on iPhone AES/Rijndael interoperability suggesting a keysize of 128 and CBC mode may be used.Īside from any other obfuscation, a key and initialisation vector (IV)/salt are required.

The key is stored securely in the iPhone keychain.' Files are encrypted using AES128 with a 256-bit key. The Apple 'iPhone OS Enterprise Deployment Guide' states that 'Device backups can be stored in encrypted format by selecting the Encrypt iPhoneīackup option in the device summary pane of iTunes. (If you're able to help, I don't care which language you use. I have no problems reading these files otherwise, and have built some robust C# libraries for doing so. This is easy when they are unencrypted, but not when they are encrypted, whether or not the password is known.Īs such, I'm trying to figure out the encryption scheme used on mddata and mdinfo files when encrypted.

You should see a lock next to your device's name and the date and time that the backup was created.I've been asked by a number of unfortunate iPhone users to help them restore data from their iTunes backups.

On a Mac with macOS Mojave 10.14 or earlier, or on a PC with iTunes, from the menu bar at the top of the iTunes window, choose Edit > Preferences, then click the Devices tab.

On a Mac with macOS Catalina 10.15 or later, open the Finder, click the General tab, then click Manage Backups.

When the process completes, make sure that your encrypted backup finished successfully: If you forgot your password, learn what to do.Īfter you confirm your password, your backup will start and immediately overwrite and encrypt your previous backups.

When asked, make a password. Create one that you'll remember or write it down and store it safely, because there's no way to use your backup without this password.

From the General tab or the Summary tab, select 'Encrypt local backup' under the Backups section.

Connect your device to your computer with the included USB cable. Then locate your device on your computer.

On a Mac with macOS Mojave 10.14 or earlier, or on a PC, open iTunes.

On a Mac with macOS Catalina 10.15 or later, open the Finder.

What is teh password to unlock iphone backup on itunes