javax.net.ssl
class KeyManagerFactory

java.lang.Object javax.net.ssl.KeyManagerFactory

Most common way to construct:

KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");

Based on 91 examples

public class KeyManagerFactory
extends Object

This class acts as a factory for key managers based on a source of key material. Each key manager manages a specific type of key material for use by secure sockets. The key material is based on a KeyStore and/or provider specific sources.

See Also (auto-generated):

SSLContext

KeyStore

TrustManagerFactory

KeyManagerFactory

protected KeyManagerFactory(KeyManagerFactorySpi factorySpi,
                            Provider provider,
                            String algorithm)

Creates a KeyManagerFactory object.

Parameters:

factorySpi - the delegate

provider - the provider

algorithm - the algorithm

getAlgorithm

public final String getAlgorithm()

Returns the algorithm name of this KeyManagerFactory object.

This is the same name that was specified in one of the getInstance calls that created this KeyManagerFactory object.

Returns:

the algorithm name of this KeyManagerFactory object.

getDefaultAlgorithm

public static final String getDefaultAlgorithm()

Obtains the default KeyManagerFactory algorithm name.

The default algorithm can be changed at runtime by setting the value of the "ssl.KeyManagerFactory.algorithm" security property (set in the Java security properties file or by calling {@link java.security.Security#setProperty(java.lang.String, java.lang.String)}) to the desired algorithm name.

Returns:

the default algorithm name as specified in the Java security properties, or an implementation-specific default if no such property exists.

getInstance

public static final KeyManagerFactory getInstance(String algorithm)
                                           throws NoSuchAlgorithmException

Generates a KeyManagerFactory object that implements the specified key management algorithm.

If the default provider package provides an implementation of the requested key management algorithm, an instance of KeyManagerFactory containing that implementation is returned. If the algorithm is not available in the default provider package, other provider packages are searched.

Parameters:

algorithm - the standard name of the requested algorithm.

Returns:

the new KeyManagerFactory object

Throws:

NoSuchAlgorithmException - if the specified algorithm is not available in the default provider package or any of the other provider packages that were searched.

getInstance

public static final KeyManagerFactory getInstance(String algorithm,
                                                  Provider provider)
                                           throws NoSuchAlgorithmException

Generates a KeyManagerFactory object for the specified key management algorithm from the specified provider.

Parameters:

algorithm - the standard name of the requested algorithm.

provider - an instance of the provider

Returns:

the new KeyManagerFactory object

Throws:

NoSuchAlgorithmException - if the specified algorithm is not available from the specified provider.

getInstance

public static final KeyManagerFactory getInstance(String algorithm,
                                                  String provider)
                                           throws NoSuchAlgorithmException,
                                                  NoSuchProviderException

Generates a KeyManagerFactory object for the specified key management algorithm from the specified provider.

Parameters:

algorithm - the standard name of the requested algorithm.

provider - the name of the provider

Returns:

the new KeyManagerFactory object

Throws:

NoSuchAlgorithmException - if the specified algorithm is not available from the specified provider.

NoSuchProviderException - if the specified provider has not been configured.

getKeyManagers

public final KeyManager[] getKeyManagers()

Returns one key manager for each type of key material.

Returns:

the key managers

getProvider

public final Provider getProvider()

Returns the provider of this KeyManagerFactory object.

Returns:

the provider of this KeyManagerFactory object

init

public final void init(KeyStore ks,
                       char[] password)
                throws KeyStoreException,
                       NoSuchAlgorithmException,
                       UnrecoverableKeyException

Initializes this factory with a source of key material.

The provider typically uses a KeyStore for obtaining key material for use during secure socket negotiations. The KeyStore is generally password-protected.

For more flexible initialization, please see {@link #init(ManagerFactoryParameters)}.

Parameters:

ks - the key store or null

password - the password for recovering keys in the KeyStore

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 (e.g. the given password is wrong).

init

public final void init(ManagerFactoryParameters spec)
                throws InvalidAlgorithmParameterException

Initializes this factory with a source of provider-specific 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 an error is encountered