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According to Apple documentation and other documentation I have read about on disk encryption on an iOS device, it seems that in order to take advantage of the advanced encryption of the device the user must have a passcode enabled so that when you use the NSDataWritingFileProtectionComplete attribute it will encrypt.
What if the user does not have a passcode set but I still want to ensure the files are encrypted? What options are there for this scenario?
Thanks!
Flea
iOS includes several APIs for encrypting data. The automatic on-disk encryption is a user-selected option that lets the user encrypt all the data written to the device’s secondary storage. If you need your data to be encrypted whether or not the user chooses to turn on that option, encrypt the data yourself using one of the options provided.
Unless you really know what you’re doing (and even if you think you do, you probably don’t), it’s generally a better idea to use the provided APIs which you can expect to have been written and reviewed by experts.