What is the best (and quickest) way to setup a simple 4-diget password in my app?
It needs to be editable by the user. And it needs to be savable on the device itself.
Is a NSUserDefaults a safe place to store the password?
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What is the best (and quickest) way to setup a simple 4-diget password in my app?
It needs to be editable by the user. And it needs to be savable on the device itself.
Is a NSUserDefaults a safe place to store the password?
You want to add anything to do with password into the user KeyChain on the device-
Keychain Services
iOS will take of decrypting and encrypting the information for you. And when the user sync and or replace his device, the Keychain will be on his new device.