3 egyszeru method van benne es mukodik simulator-ban is meg device-on is:
+ (NSString *) getPasswordForUsername: (NSString *) username andServiceName: (NSString *) serviceName error: (NSError **) error;
+ (BOOL) storeUsername: (NSString *) username andPassword: (NSString *) password forServiceName: (NSString *) serviceName updateExisting: (BOOL) updateExisting error: (NSError **) error;
+ (BOOL) deleteItemForUsername: (NSString *) username andServiceName: (NSString *) serviceName error: (NSError **) error;
A code pedig itt van.
Egyebkent pedig: Keychain Services Programming Guide
+++++++++++
Itt pedig Chris Lowe peldaja ARC eseten.
