Provides access to a few facilities of the Android security subsystems.
| KeyChainAliasCallback | The KeyChainAliasCallback is the callback for choosePrivateKeyAlias(Activity, KeyChainAliasCallback, String[], Principal[], String, int, String).  | 
          
| KeyChain | The KeyChain class provides access to private keys and
 their corresponding certificate chains in credential storage.  | 
          
| KeyPairGeneratorSpec | This provides the required parameters needed for initializing the
 KeyPairGenerator that works with
 Android KeyStore
 facility.  | 
          
| KeyPairGeneratorSpec.Builder | Builder class for KeyPairGeneratorSpec objects.  | 
          
| KeyStoreParameter | This provides the optional parameters that can be specified for
 KeyStore entries that work with
 Android KeyStore
 facility.  | 
          
| KeyStoreParameter.Builder | Builder class for KeyStoreParameter objects.  | 
          
| KeyChainException | Thrown on problems accessing the KeyChain.  |