unquietcode.utils

Class PasswordHash

java.lang.Object

unquietcode.utils.PasswordHash

public class PasswordHash
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	HASH_BYTES
static int	ITERATION_INDEX
static java.lang.String	PBKDF2_ALGORITHM
static int	PBKDF2_INDEX
static int	PBKDF2_ITERATIONS
static int	SALT_BYTES
static int	SALT_INDEX

Constructor Summary

Constructors

Constructor and Description
PasswordHash()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	createHash(char[] password) Returns a salted PBKDF2 hash of the password.
static java.lang.String	createHash(java.lang.String password) Returns a salted PBKDF2 hash of the password.
static boolean	validatePassword(char[] password, java.lang.String goodHash) Validates a password using a hash.
static boolean	validatePassword(java.lang.String password, java.lang.String goodHash) Validates a password using a hash.

Methods inherited from class java.lang.Object

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

Field Detail

PBKDF2_ALGORITHM

public static final java.lang.String PBKDF2_ALGORITHM

See Also:

Constant Field Values

SALT_BYTES

public static final int SALT_BYTES

See Also:

Constant Field Values

HASH_BYTES

public static final int HASH_BYTES

See Also:

Constant Field Values

PBKDF2_ITERATIONS

public static final int PBKDF2_ITERATIONS

See Also:

Constant Field Values

ITERATION_INDEX

public static final int ITERATION_INDEX

See Also:

Constant Field Values

SALT_INDEX

public static final int SALT_INDEX

See Also:

Constant Field Values

PBKDF2_INDEX

public static final int PBKDF2_INDEX

See Also:

Constant Field Values

Constructor Detail

PasswordHash

public PasswordHash()

Method Detail

createHash

public static java.lang.String createHash(java.lang.String password)
                                   throws java.security.NoSuchAlgorithmException,
                                          java.security.spec.InvalidKeySpecException

Returns a salted PBKDF2 hash of the password.

Parameters:

password - the password to hash

Returns:

a salted PBKDF2 hash of the password

Throws:

java.security.NoSuchAlgorithmException

java.security.spec.InvalidKeySpecException

createHash

public static java.lang.String createHash(char[] password)
                                   throws java.security.NoSuchAlgorithmException,
                                          java.security.spec.InvalidKeySpecException

Returns a salted PBKDF2 hash of the password.

Parameters:

password - the password to hash

Returns:

a salted PBKDF2 hash of the password

Throws:

java.security.NoSuchAlgorithmException

java.security.spec.InvalidKeySpecException

validatePassword

public static boolean validatePassword(java.lang.String password,
                                       java.lang.String goodHash)
                                throws java.security.NoSuchAlgorithmException,
                                       java.security.spec.InvalidKeySpecException

Validates a password using a hash.

Parameters:

password - the password to check

goodHash - the hash of the valid password

Returns:

true if the password is correct, false if not

Throws:

java.security.NoSuchAlgorithmException

java.security.spec.InvalidKeySpecException

validatePassword

public static boolean validatePassword(char[] password,
                                       java.lang.String goodHash)
                                throws java.security.NoSuchAlgorithmException,
                                       java.security.spec.InvalidKeySpecException

Validates a password using a hash.

Parameters:

password - the password to check

goodHash - the hash of the valid password

Returns:

true if the password is correct, false if not

Throws:

java.security.NoSuchAlgorithmException

java.security.spec.InvalidKeySpecException