Read from keychain results in errSecItemNotFound 25300

Question

I store username & password using keychain, sometimes when I tried to get the password of the username, it told me errSecItemNotFound.

I keep that t

Answer 1

Tony: that error is simply OSStatus error -34018 - client has neither application-identifier nor keychain-access-groups entitlements.

This could be happening as a result from using a nonstandard app signing method or some other problem with your entitlements. Make sure you're building simply out of Xcode and not using alternate signing methods unless you completely understand them.