---
title: errSSLATSMinimumKeySizeViolation
framework: security
role: symbol
role_heading: Global Variable
path: security/errsslatsminimumkeysizeviolation
---

# errSSLATSMinimumKeySizeViolation

The peer key size isn’t App Transport Security compliant.

## Declaration

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

## Discussion

Discussion For more information about App Transport Security (ATS) compliance, see Preventing Insecure Network Connections.