---
title: combined
framework: cryptokit
role: symbol
role_heading: Instance Property
path: cryptokit/aes/gcm/sealedbox/combined
---

# combined

A combined element composed of the nonce, encrypted data, and authentication tag.

## Declaration

```swift
var combined: Data? { get }
```

## Discussion

Discussion The combined representation is only available when the AES.GCM.Nonce size is the default size of 12 bytes. The data layout of the combined representation is nonce, ciphertext, then tag.