Package org.pgpainless.util

Class Passphrase

java.lang.Object

org.pgpainless.util.Passphrase

public class Passphrase
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
Object	lock

Constructor Summary

Constructors

Constructor	Description
Passphrase(char[] chars)	Passphrase for keys etc.

Method Summary

Modifier and Type	Method	Description
void	clear()	Overwrite the char array with spaces and mark the Passphrase as invalidated.
static Passphrase	emptyPassphrase()	Represents a Passphrase instance that represents no password.
boolean	equals(Object obj)
static Passphrase	fromPassword(String password)	Create a Passphrase from a String.
char[]	getChars()	Return a copy of the underlying char array.
int	hashCode()
boolean	isEmpty()	Return true if the passphrase represents no password.
boolean	isValid()	Return true if the passphrase has not yet been cleared.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Detail

lock

public final Object lock

Constructor Detail

Passphrase

public Passphrase(@Nullable
                  char[] chars)

Passphrase for keys etc.

Parameters:

chars - may be null for empty passwords.

Method Detail

fromPassword

public static Passphrase fromPassword(@Nonnull
                                      String password)

Create a Passphrase from a String.

Parameters:

password - password

Returns:

passphrase

clear

public void clear()

Overwrite the char array with spaces and mark the Passphrase as invalidated.

getChars

@Nullable
public char[] getChars()

Return a copy of the underlying char array. A return value of null represents no password.

Returns:

passphrase chars.

Throws:

IllegalStateException - in case the password has been cleared at this point.

isValid

public boolean isValid()

Return true if the passphrase has not yet been cleared.

Returns:

valid

isEmpty

public boolean isEmpty()

Return true if the passphrase represents no password.

Returns:

empty

emptyPassphrase

public static Passphrase emptyPassphrase()

Represents a Passphrase instance that represents no password.

Returns:

empty passphrase

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object