---
title: CSSM_ALGID_3DES_2KEY
framework: security
role: symbol
role_heading: Global Variable
path: security/cssm_algid_3des_2key
---

# CSSM_ALGID_3DES_2KEY

## Declaration

```swift
var CSSM_ALGID_3DES_2KEY: UInt32 { get }
```