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  "identifier" : "/documentation/CryptoKit/DiffieHellmanKeyAgreement/sharedSecretFromKeyAgreement(with:)",
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# sharedSecretFromKeyAgreement(with:)

Performs a Diffie-Hellman Key Agreement.

```
func sharedSecretFromKeyAgreement(with publicKeyShare: Self.PublicKey) throws -> SharedSecret
```

## Parameters

`publicKeyShare`

The public key share.

## Return Value

The resulting key agreement result.

---

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