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  "identifier" : "/documentation/CryptoKit/XWingMLKEM768X25519/OneTimePrivateKey/decapsulate(_:)",
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# decapsulate(_:)

Decapsulate a shared secret.

```
consuming func decapsulate(_ encapsulated: Data) throws -> SymmetricKey
```

## Parameters

`encapsulated`

An encapsulated shared secret, that you get by calling `XWingMLKEM768X25519/PublicKey/encapsulate()` on the corresponding public key.

## Return Value

The shared secret.

---

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