# SignatureKeyPair extends [KeyPair](KeyPair.md)

**Namespace**: `\ParagonIE\Halite`

This [`KeyPair`](KeyPair.md) class represents a secret key and public key used for generating digital signatures using
Ed25519.

* Secret Key: [`SignatureSecretKey`](Asymmetric/SignatureSecretKey.md)
* Public Key: [`SignaturePublicKey`](Asymmetric/SignaturePublicKey.md)

## Methods

### Constructor