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KeyStore.PasswordProtection (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档

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java.security
Class KeyStore.PasswordProtection

java.lang.Object
  java.security.KeyStore.PasswordProtection

All Implemented Interfaces:

KeyStore.ProtectionParameter, Destroyable

Enclosing class:

KeyStore

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

A password-based implementation of ProtectionParameter.

Since:

1.5

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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()

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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

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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

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