---
title: kSecAttrRounds
framework: security
role: symbol
role_heading: Global Variable
path: security/ksecattrrounds
---

# kSecAttrRounds

A key whose value indicates the number of rounds to run the pseudorandom function.

## Declaration

```swift
let kSecAttrRounds: CFString
```

## Discussion

Discussion The corresponding value is of type CFNumber and indicates the number of rounds to run the pseudorandom function specified by kSecAttrPRF for a cryptographic key.