![]() If the backup was not encrypted, then anyone could retrieve user information from it with third-party tools. Why iTunes asks for a password to restore backup? When the backup file is password protected by iTunes, you have to input the correct password to unlock the file to prevent illegal access to user's private data. Either is blank or encrypted by a password the user set previously. ![]() What's the default password for iTunes backup? Actually, there is no default password for iTunes backup. In the case of iTunes, the key is stored in the iPhone Keychain. This is somewhat similar to the technology that Microsoft uses to hash Word, Excel or PowerPoint passwords, and it also uses the same SHA-1 hashing algorithm. Alternatively, it may use a 128 bit key in conjunction with Cipher Block Chaining, or CBC. In iTunes, the backup files are encrypted using AES128 with a 256-bit key. How does iTunes backup encryption work? An encrypted backup is a little different from a regular backup because it contains your health data, saved passwords, Wi-Fi settings and your web history. If the little box next to Encrypt Backup is checked, you'll end up with an encrypted backup for which you need a password when you want to restore or just view it. ![]() What is an iPhone Backup Password? When you take a backup of your iPhone data using iTunes, it may automatically encrypt that data depending on your settings. Part 3: iTunes Backup Password Unlocking Software ![]()
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