android - does setStorageEncryption encrypt all mobile storage memory? -


i've been requested apply "setstorageencryption" in android app security policy.

once policy applied, affect storage memory in device? can used encrypt selected files?

thanks

once policy applied, affect storage memory in device?

quoting the documentation:

this policy controls encryption of secure (application data) storage area. data written other storage areas may or may not encrypted, , policy not require or control encryption of other storage areas. there 1 exception: if isexternalstorageemulated() true, directory returned getexternalstoragedirectory() must written disk within encrypted storage area.

most devices have emulated external storage, mean external storage part of same partition internal storage, , isexternalstorageemulated() return true.

can used encrypt selected files?

no, sorry.


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