---
title: kSecGuestAttributeArchitecture
framework: security
role: symbol
role_heading: Global Variable
path: security/ksecguestattributearchitecture
---

# kSecGuestAttributeArchitecture

A key whose value is a number representing the CPU type under which the guest code is designed to run.

## Declaration

```swift
let kSecGuestAttributeArchitecture: CFString
```

## Discussion

Discussion See the ARCH(3) manual page for a list of possible CPU types.