| Interface | Description | 
|---|---|
| AlgorithmParameterSpec | |
| KeySpec | 
| Class | Description | 
|---|---|
| ECGenParameterSpec | 
 This immutable class specifies the set of parameters used for generating elliptic curve (EC) domain parameters. 
 | 
| EncodedKeySpec | |
| PKCS8EncodedKeySpec | |
| RSAKeyGenParameterSpec | |
| X509EncodedKeySpec | 
| Exception | Description | 
|---|---|
| InvalidKeySpecException | |
| InvalidParameterSpecException |