---
title: errSecOCSPResponseNonceMismatch
framework: security
role: symbol
role_heading: Global Variable
path: security/errsecocspresponsenoncemismatch
---

# errSecOCSPResponseNonceMismatch

The online certificate status protocol (OCSP) response nonce does not match the request.

## Declaration

```swift
var errSecOCSPResponseNonceMismatch: OSStatus { get }
```