---
title: SecExternalFormat.formatSSH
framework: security
role: symbol
role_heading: Case
path: security/secexternalformat/formatssh
---

# SecExternalFormat.formatSSH

OpenSSH 1 format for asymmetric (public/private) keys. OpenSSH is an OpenBSD implementation of the Secure Shell (SSH) protocol.

## Declaration

```swift
case formatSSH
```