Package com.peterphi.usermanager.db

Class BCrypt

java.lang.Object

com.peterphi.usermanager.db.BCrypt

public class BCrypt
extends Object

A wrapper for BCrypt

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DEFAULT_COST

Constructor Summary

Constructors

Constructor	Description
BCrypt()

Method Summary

Modifier and Type	Method	Description
static String	hash(char[] password, int cost)
static boolean	verify(String hash, char[] password)	Check that a plaintext password matches a previously hashed one

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_COST

public static final int DEFAULT_COST

See Also:

• Constant Field Values

Constructor Details

BCrypt

public BCrypt()

Method Details

hash

public static String hash(char[] password,
 int cost)

Parameters:

password - the plaintext password

cost - the computation cost (complexity increases at 2**cost)

Returns:

verify

public static boolean verify(String hash,
 char[] password)

Check that a plaintext password matches a previously hashed one

Parameters:

password - the plaintext password to verify

hash - the previously-hashed password (a 60-character BCrypt hash string)

Returns:

true if the passwords match, false otherwise