gistfile1.txt

// loading
NSString *jsonString = [SSKeychain passwordForService:@"info" account:@"info"];
    
if(jsonString)
        [array addEntriesFromDictionary:[NSJSONSerialization JSONObjectWithData:[jsonString dataUsingEncoding:NSUTF8StringEncoding] options:NSJSONReadingMutableContainers error:nil]];

// saving
NSString *jsonString = [[NSString alloc] initWithData:[NSJSONSerialization dataWithJSONObject:array options:NSJSONWritingPrettyPrinted error:nil] encoding:NSUTF8StringEncoding];
    
[SSKeychain setPassword:jsonString forService:@"info" account:@"info"];

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Anything you can convert to a string you can save. In the above I saved an array into a JSON string which I stored. 

give me an example of what you are saving and I'll make an example