const CFStringRef kSecTransformActionStartingExecution = CFSTR("ExecuteStarting");
const CFStringRef kSecTransformActionProcessData = CFSTR("TransformProcessData");
const CFStringRef kSecTransformActionAttributeNotification = CFSTR("GenericAttributeSetNotification");
const CFStringRef kSecTransformActionStartingExecution = CFSTR("ExecuteStarting");
const CFStringRef kSecTransformActionProcessData = CFSTR("TransformProcessData");
const CFStringRef kSecTransformActionAttributeNotification = CFSTR("GenericAttributeSetNotification");