IOS Keychain - how can I ensure consistency on a device / simulator?

Environment: iOS 4.0+

Scenario : using KeychainItemWrapper from the Apple GenericKeychain example; iOS Simulator

Problem . I can store / retrieve keychain data while in the debugger. But as soon as I exit the debugger, I lose keychain data as soon as I get back. That is, I lose access to my keychain data when I restart the application.

This does not happen with the Apple GenericKeychain example. I looked into db keychain through SQLiteManager and noticed that the GenericKeychain example has a certificate.

Question: Is a certificate required? to provide multi-session data multitasking for keys?

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