С благочестивая помощь от клиента
AWController.clientInstance().retrieveStoredPublicCertificates { payload, error in
if let _ = error {
return
}
guard let payload = payload as? [String : [PKCS12Certificate]] else {
return
}
processCertificates(payload)
NotificationCenter.default.post(name: .awSDKCeritificatesReceived,
object: payload)
}