Our proposed solution to identify an app user when opening a website operated by app developer is: Apps sends a request to backed with app users auth header Backend fetches a generated authenticated url from website backend, based on users auth header App opens it in browser The browser journey is self contained within domain of the business. Would this interaction require an ATT request given that the users identity cannot be tracked back to the app user ? Thanks

Hi I have code that uses SecKeyEncrypt to encrypt a string. SecKeyEncrypt(publickeysi!, SecPadding.PKCS1, aString, aString.count, &messageEncrypted, &messageEncryptedSize) This works across all devices, given identical source string, except the recently released iPhone 14 and Pro models. Simulator works across the board. Is there any reason why these devices would result in a B64 encoded string along the lines of AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA== where all other devices return an appropriate B64 string, such as DNfdGmJW8DOeuwB9DZxMjY/qcJHgKCewMd/Hi3m1vkHxdRaeQbYvFbmnJwtcudnqm9cRiT/cee1ls5Hm6bcmVtGPf23O4SnOha97MhrJIaUWOumUdRfKd5PYVd74NVuWPfQ+VHlKFQtiVjBNvNntiZmadBEV95BwRcxFWSVLDG7tfgzM2tNvYsDG+ZwN0r3F1AX4IH/Ggor9Dk//26c5WZ50HzwfkeY122qMDIj2LDCUGXXhXzkvSyEYFReJhscwtXdDk1nN49jrDB5bEUD9Xn1xZzlghpcSNC4DKqP/3TSuwqcHZ7g/BfYcRVtXeWGqUxeeQcaTNulUggCWWGdtJw== It appears that SecKeyEncrypt is deprecated in iOS 15 but I am struggling to find an appropriate alternative if that is even the issue. Thanks