---
title: SecurityMessage.CipherSuite.xWing
framework: accessorytransportextension
role: symbol
role_heading: Case
path: accessorytransportextension/securitymessage/ciphersuite-swift.enum/xwing
---

# SecurityMessage.CipherSuite.xWing

A cipher suite that provides xWing hybrid post-quantum key encapsulation.

## Declaration

```swift
case xWing
```

## Mentioned in

Receiving iOS notifications on an accessory

## Discussion

Discussion Implement this cipher suite for post-quantum security. The AccessoryTransport.internet and AccessoryTransport.localNetwork transport types require this cipher suite. Bluetooth transport supports this cipher suite, but you can alternatively use SecurityMessage.CipherSuite.p256 as a fallback.

## See Also

### Identifying cipher suite types

- [SecurityMessage.CipherSuite.p256](accessorytransportextension/securitymessage/ciphersuite-swift.enum/p256.md)