암호화 된 NSData를 NSDictionary로 변환하려면 어떻게해야합니까?

Question

NSData *jsonDataEncrypted = [jsonStringEncrypted dataUsingEncoding:NSUTF8StringEncoding]; 
NSDictionary *jsonDicEncrypted = [NSJSONSerialization JSONObjectWithData:jsonDataEncrypted options:kNilOptions error:nil]; 

위의 코드는 작동하지 않습니다.

는

가 null jsonDicEncrypted.

Answer 1

NSData *data = [NSURLConnection sendSynchronousRequest:req returningResponse:nil error:&err]; 
    NSDictionary *jsons=[NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil]; 

사용이 코드

Answer 2

확인이.

[NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *responseData, NSError *connectionError) { 
      NSDictionary *json = [NSJSONSerialization JSONObjectWithData:responseData options:NSJSONReadingMutableContainers error:nil]; 
      dispatch_async(dispatch_get_main_queue(), ^{ 
       //UI update here 
      }); 
      }];