---
title: CSSM_PKCS_OAEP_MGF1_SHA1
framework: security
role: symbol
role_heading: Global Variable
path: security/cssm_pkcs_oaep_mgf1_sha1
---

# CSSM_PKCS_OAEP_MGF1_SHA1

## Declaration

```swift
var CSSM_PKCS_OAEP_MGF1_SHA1: Int { get }
```