---
title: Curve25519.KeyAgreement.PublicKey.HPKEEphemeralPrivateKey
framework: cryptokit
role: symbol
role_heading: Type Alias
path: cryptokit/curve25519/keyagreement/publickey/hpkeephemeralprivatekey
---

# Curve25519.KeyAgreement.PublicKey.HPKEEphemeralPrivateKey

The type of the ephemeral private key associated with this public key.

## Declaration

```swift
typealias HPKEEphemeralPrivateKey = Curve25519.KeyAgreement.PrivateKey
```