ios - Need to encrypt Core Data -


i making ios application data stored in core data needs encrypted when app not in use. understand newer ios devices (and devices running ios 4 +) have access hardware encryption , special protection apis, understanding, these apply when device locked. there no guarantee users of app have password lock on devices, yet still need encrypt.

also, prefer not encrypt every individual core data attribute using transformable attributes, , understand makes querying more difficult. preferably, encrypt core data file on app-close, , un-encrypt on app-open (i know might slower).

any solutions?


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