org.cryptacular.bean

Class BCryptHashBean.BCryptParameters

java.lang.Object

org.cryptacular.bean.BCryptHashBean.BCryptParameters

Enclosing class:

BCryptHashBean

public static class BCryptHashBean.BCryptParameters
extends Object

Handles encoding and decoding a bcrypt hash of the form $2n$cost$xxxxxxxxxxxxxxxxxxxxxxxxyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BCryptParameters(String bCryptString) Decodes bcrypt parameters from a string.

Method Summary

Modifier and Type	Method and Description
String	encode() Produces an encoded bcrypt hash string from bcrypt parameter data.
String	encode(String hash) Produces an encoded bcrypt hash string from bcrypt parameters and a provided hash string.
int	getCost()
byte[]	getHash()
byte[]	getSalt()
String	getVersion()

Methods inherited from class java.lang.Object

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

Constructor Detail

BCryptParameters

protected BCryptParameters(String bCryptString)

Decodes bcrypt parameters from a string.

Parameters:

bCryptString - bcrypt hash of the form $2n$cost$xxxxxxxxxxxxxxxxxxxxxxxxyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy

Method Detail

getVersion

public String getVersion()

Returns:

bcrypt version.

getCost

public int getCost()

Returns:

bcrypt cost in the range [4, 31].

getSalt

public byte[] getSalt()

Returns:

bcrypt salt.

getHash

public byte[] getHash()

Returns:

bcrypt hash.

encode

public String encode()

Produces an encoded bcrypt hash string from bcrypt parameter data.

Returns:

Bcrypt hash of the form $2n$cost$xxxxxxxxxxxxxxxxxxxxxxxxyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy.

encode

public String encode(String hash)

Produces an encoded bcrypt hash string from bcrypt parameters and a provided hash string.

Parameters:

hash - Encoded bcrypt hash bytes; e.g. the value produced from BCryptHashBean.hash(Object...).

Returns:

Bcrypt hash of the form $2n$cost$xxxxxxxxxxxxxxxxxxxxxxxxyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy.