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KeyStore.PasswordProtection (Java 2 Platform SE 5.0) - JDK 5 Documentation v1.5.0, Java 2 SDK 英文文档

JavaTM 2 Platform
Standard Ed. 5.0

java.security
Class KeyStore.PasswordProtection

java.lang.Object
  extended by java.security.KeyStore.PasswordProtection
All Implemented Interfaces:
KeyStore.ProtectionParameter, Destroyable
Enclosing class:
KeyStore

public static class KeyStore.PasswordProtection
extends Object
implements KeyStore.ProtectionParameter, Destroyable

A password-based implementation of ProtectionParameter.

Since:
1.5

Constructor Summary
KeyStore.PasswordProtection(char[] password)
          Creates a password parameter.
 
Method Summary
 void destroy()
          Clears the password.
 char[] getPassword()
          Gets the password.
 boolean isDestroyed()
          Determines if password has been cleared.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

KeyStore.PasswordProtection

public KeyStore.PasswordProtection(char[] password)
Creates a password parameter.

The specified password is cloned before it is stored in the new PasswordProtection object.

Parameters:
password - the password, which may be null
Method Detail

getPassword

public char[] getPassword()
Gets the password.

Note that this method returns a reference to the password. If a clone of the array is created it is the caller's responsibility to zero out the password information after it is no longer needed.

Returns:
the password, which may be null
Throws:
IllegalStateException - if the password has been cleared (destroyed)
See Also:
destroy()

destroy

public void destroy()
             throws DestroyFailedException
Clears the password.

Specified by:
destroy in interface Destroyable
Throws:
DestroyFailedException - if this method was unable to clear the password

isDestroyed

public boolean isDestroyed()
Determines if password has been cleared.

Specified by:
isDestroyed in interface Destroyable
Returns:
true if the password has been cleared, false otherwise

JavaTM 2 Platform
Standard Ed. 5.0

Submit a bug or feature
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 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.