---
title: kSecCSStrictValidate
framework: security
role: symbol
role_heading: Global Variable
path: security/kseccsstrictvalidate
---

# kSecCSStrictValidate

Perform additional checks to ensure the validity of code in bundle form.

## Declaration

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

## Discussion

Discussion For code in bundle form, perform additional checks to verify that the bundle is not structured in a way that would allow tampering, and reject any resource envelope that introduces weaknesses into the signature.