com.helger.security.password.salt

Class PasswordSaltBCrypt

java.lang.Object

com.helger.security.password.salt.PasswordSaltBCrypt

All Implemented Interfaces:

IPasswordSalt

@Nonnegative
 @Immutable
public final class PasswordSaltBCrypt
extends Object
implements IPasswordSalt

Implementation of IPasswordSalt using BCrypt.gensalt(int).

Author:

Philip Helger

Constructor Summary

Constructors

Constructor and Description
PasswordSaltBCrypt() Create a new BCrypt password salt with the default rounds of .
PasswordSaltBCrypt(int nRounds) Constructor to create a new BCrypt password salt with the provided rounds.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
int	getSaltByteCount()
byte[]	getSaltBytes()
String	getSaltString()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

PasswordSaltBCrypt

public PasswordSaltBCrypt()

Create a new BCrypt password salt with the default rounds of .

PasswordSaltBCrypt

public PasswordSaltBCrypt(@Nonnegative
                          int nRounds)

Constructor to create a new BCrypt password salt with the provided rounds.

Parameters:

nRounds - the log2 of the number of rounds of hashing to apply - the work factor therefore increases as 2**log_rounds.

Method Detail

getSaltByteCount

@Nonnegative
public int getSaltByteCount()

Specified by:

getSaltByteCount in interface IPasswordSalt

Returns:

The number of salt bytes used. Always > 0.

getSaltBytes

@Nonnull
 @Nonempty
 @ReturnsMutableCopy
public byte[] getSaltBytes()

Specified by:

getSaltBytes in interface IPasswordSalt

Returns:

A copy of the pure salt bytes. Never null nor empty.

getSaltString

@Nonnull
 @Nonempty
public String getSaltString()

Specified by:

getSaltString in interface IPasswordSalt

Returns:

The salt bytes in a string representation for easy serialization. Never null nor empty.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object