---
title: SecKeyGeneratePairBlock
framework: security
role: symbol
role_heading: Type Alias
path: security/seckeygeneratepairblock
---

# SecKeyGeneratePairBlock

A block called with the results of a call to SecKeyGeneratePairAsync(_:_:_:).

## Declaration

```swift
typealias SecKeyGeneratePairBlock = (SecKey, SecKey, CFError) -> Void
```