---
title: cipherSuite
framework: accessorytransportextension
role: symbol
role_heading: Instance Property
path: accessorytransportextension/securitymessage/ciphersuite-swift.property
---

# cipherSuite

The cipher suite used for key exchange.

## Declaration

```swift
let cipherSuite: SecurityMessage.CipherSuite
```

## See Also

### Determining encryption method

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