---
title: HPKE.KDF.HKDF_SHA384
framework: cryptokit
role: symbol
role_heading: Case
path: cryptokit/hpke/kdf/hkdf_sha384
---

# HPKE.KDF.HKDF_SHA384

An HMAC-based key derivation function that uses SHA-2 hashing with a 384-bit digest.

## Declaration

```swift
case HKDF_SHA384
```