# init(_:kem:) Creates a public key from an encoded representation. ``` init(_ serialization: D, kem: HPKE.KEM) throws where D : ContiguousBytes ``` ## Discussion - serialization: The serialized key data. - kem: The key encapsulation mechanism that the sender used to encapsulate the key. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)