Using labels on an identity is tricky because identities are not stored in the keychain as an atomic item but are store as a separate private key and certificate, and those items use labels in different ways. Have you tried using a persistence reference here? That is:
SecItemAddwhen you add the identity to the keychain
Save the persistent reference wherever
Later on, when you need the identity back, call
SecItemCopyMatchingwith that persistent reference
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Quinn “The Eskimo!”
Apple Developer Relations, Developer Technical Support, Core OS/Hardware
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Im sorry , if I misunderstand,
SecItemAddwhen you add the identity to the keychain"
it mean like this?
query = [ kSecClass as String:kSecClassIdentity, kSecValueRef as String:value2, kSecReturnPersistentRef as String : true as AnyObject ] var returndata:CFTypeRef? let status = SecItemAdd(query as CFDictionary, &returndata) let persitentdata = returnData as! CFData
I tried this, but I got "nil" in returndata...
Am I wrong something?
Finally I could get that
I refered to this discussion https://forums.developer.apple.com/thread/43568
I don't know why but it's work when using SecItemAdd without kSecClass inside query of parameter.
And also when using SecItemCopyMatching without kSecClass , it worked!
thank you for your help!
Thank you sho@jp, Your reply for removing the kSecClass from the SecItemAdd helped me too. I did not remove it from the query for SecItemCopyMatching as it gave me a -50 error (errSecParam). I'd appreciate it if I knew why removing the kSecClass worked and if that's the regular case, the Apple docs should be updated to notify users.