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# TKTokenKeyExchangeParameters

Parameters used to perform specific key exchange operations.

```
class TKTokenKeyExchangeParameters
```

## Topics

### Accessing Parameters

[`requestedSize`](/documentation/CryptoTokenKit/TKTokenKeyExchangeParameters/requestedSize)

Returns the requested output size, in bytes, of key exchange result.

[`sharedInfo`](/documentation/CryptoTokenKit/TKTokenKeyExchangeParameters/sharedInfo)

Returns shared information typically used during the key derivation (KDF) step of a key exchange algorithm.

## Relationships

### Conforms To

[`Hashable`](/documentation/Swift/Hashable)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`CVarArg`](/documentation/Swift/CVarArg)

[`Equatable`](/documentation/Swift/Equatable)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

### Inherits From

[`NSObject-swift.class`](/documentation/ObjectiveC/NSObject-swift.class)

---

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