---
title: AccessorySecuritySession
framework: accessorytransportextension
role: symbol
role_heading: Class
path: accessorytransportextension/accessorysecuritysession
---

# AccessorySecuritySession

A class that manages a security session between the extension and the system.

## Declaration

```swift
class AccessorySecuritySession
```

## Mentioned in

Receiving iOS notifications on an accessory

## Overview

Overview The security session handles a key exchange process (see AccessorySecurity/Event) that establishes encrypted communication with your accessory.

## Topics

### Managing session requests

- [AccessorySecuritySession.Request](accessorytransportextension/accessorysecuritysession/request.md)

### Handling session events

- [AccessorySecuritySession.EventHandler](accessorytransportextension/accessorysecuritysession/eventhandler.md)
- [AccessorySecuritySession.Error](accessorytransportextension/accessorysecuritysession/error.md)

### Accessing session properties

- [description](accessorytransportextension/accessorysecuritysession/description.md)

### Managing the session life cycle

- [sendSecurityMessage(_:)](accessorytransportextension/accessorysecuritysession/sendsecuritymessage(_:).md)
- [cancel(error:)](accessorytransportextension/accessorysecuritysession/cancel(error:).md)

## Relationships

### Conforms To

- [CustomStringConvertible](swift/customstringconvertible.md)

## See Also

### Data and sessions

- [AccessoryFeature](accessorytransportextension/accessoryfeature.md)
- [AccessoryMessage](accessorytransportextension/accessorymessage.md)
- [TransportMessage](accessorytransportextension/transportmessage.md)
- [SecurityMessage](accessorytransportextension/securitymessage.md)
- [AccessoryTransport](accessorytransportextension/accessorytransport.md)