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## javax.net.ssl
Class KeyManagerFactorySpi

    java.lang.Object
      javax.net.ssl.KeyManagerFactorySpi

public abstract class KeyManagerFactorySpi
extends Object

This class defines the Service Provider Interface (SPI) for the `KeyManagerFactory` class.

All the abstract methods in this class must be implemented by each cryptographic service provider who wishes to supply the implementation of a particular key manager factory.

Since:
  1.4
See Also:
  `KeyManagerFactory`, `KeyManager`

Constructor Summary
`KeyManagerFactorySpi()`

Method Summary
`protected abstract KeyManager[]` | `engineGetKeyManagers()` Returns one key manager for each type of key material.
`protected abstract void` | `engineInit(KeyStore ks, char[] password)` Initializes this factory with a source of key material.
`protected abstract void` | `engineInit(ManagerFactoryParameters spec)` Initializes this factory with a source of key material.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### KeyManagerFactorySpi

    public KeyManagerFactorySpi()

Method Detail

### engineInit

    protected abstract void engineInit(KeyStore ks,
                                       char[] password)
                                throws KeyStoreException,
                                       NoSuchAlgorithmException,
                                       UnrecoverableKeyException

  Initializes this factory with a source of key material.

  Parameters:
    `ks` - the key store or null
    `password` - the password for recovering keys
  Throws:
    `KeyStoreException` - if this operation fails
    `NoSuchAlgorithmException` - if the specified algorithm is not available from the specified provider.
    `UnrecoverableKeyException` - if the key cannot be recovered
  See Also:
    `KeyManagerFactory.init(KeyStore, char[])`

### engineInit

    protected abstract void engineInit(ManagerFactoryParameters spec)
                                throws InvalidAlgorithmParameterException

  Initializes this factory with a source of key material.

  In some cases, initialization parameters other than a keystore and password may be needed by a provider. Users of that particular provider are expected to pass an implementation of the appropriate `ManagerFactoryParameters` as defined by the provider. The provider can then call the specified methods in the ManagerFactoryParameters implementation to obtain the needed information.

  Parameters:
    `spec` - an implementation of a provider-specific parameter specification
  Throws:
    `InvalidAlgorithmParameterException` - if there is problem with the parameters
  See Also:
    `KeyManagerFactory.init(ManagerFactoryParameters spec)`

### engineGetKeyManagers

    protected abstract KeyManager[] engineGetKeyManagers()

  Returns one key manager for each type of key material.

  Returns:
    the key managers

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2003 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.