Package org.wildfly.security.password.impl

Class SunUnixMD5CryptPasswordImpl

java.lang.Object

org.wildfly.security.password.impl.AbstractPasswordImpl

org.wildfly.security.password.impl.SunUnixMD5CryptPasswordImpl

All Implemented Interfaces:

Serializable, Cloneable, Key, SunUnixMD5CryptPassword, OneWayPassword, Password

final class SunUnixMD5CryptPasswordImpl
extends AbstractPasswordImpl
implements SunUnixMD5CryptPassword

Implementation of the Sun variant of the Unix MD5 Crypt password.

Author:

Farah Juma

Field Summary

Fields

Modifier and Type	Field	Description
private String	algorithm
(package private) static int	BASIC_ROUND_COUNT
private static String	HAMLET_EXCERPT
private byte[]	hash
private int	iterationCount
(package private) static byte[]	MAGIC_BYTES
(package private) static byte[]	MAGIC_BYTES_WITH_ROUNDS
(package private) static String	MD5
private byte[]	salt
(package private) static byte[]	SEPARATOR_BYTES
private static long	serialVersionUID

Fields inherited from interface org.wildfly.security.password.interfaces.SunUnixMD5CryptPassword

ALGORITHM_SUN_CRYPT_MD5, ALGORITHM_SUN_CRYPT_MD5_BARE_SALT, DEFAULT_ITERATION_COUNT, DEFAULT_SALT_SIZE

Constructor Summary

Constructors

Modifier	Constructor	Description
(package private)	SunUnixMD5CryptPasswordImpl(String algorithm, byte[] clonedHash, byte[] clonedSalt, int iterationCount)
private	SunUnixMD5CryptPasswordImpl(String algorithm, char[] password, byte[] clonedSalt, int iterationCount, Charset hashCharset)
(package private)	SunUnixMD5CryptPasswordImpl(String algorithm, char[] password, Charset hashCharset)
(package private)	SunUnixMD5CryptPasswordImpl(String algorithm, char[] password, IteratedPasswordAlgorithmSpec spec, Charset hashCharset)
(package private)	SunUnixMD5CryptPasswordImpl(String algorithm, char[] password, IteratedSaltedPasswordAlgorithmSpec spec, Charset hashCharset)
(package private)	SunUnixMD5CryptPasswordImpl(String algorithm, char[] password, SaltedPasswordAlgorithmSpec spec, Charset hashCharset)
(package private)	SunUnixMD5CryptPasswordImpl(String algorithm, IteratedSaltedHashPasswordSpec spec)
(package private)	SunUnixMD5CryptPasswordImpl(String algorithm, SaltedHashPasswordSpec spec)
(package private)	SunUnixMD5CryptPasswordImpl(SunUnixMD5CryptPassword password)
(package private)	SunUnixMD5CryptPasswordImpl(ClearPasswordSpec spec)

Method Summary

Modifier and Type	Method	Description
SunUnixMD5CryptPasswordImpl	clone()	Creates and returns a copy of this Password.
(package private) <T extends KeySpec> boolean	convertibleTo(Class<T> keySpecType)
boolean	equals(Object obj)
String	getAlgorithm()
private static int	getDigestBit(int[] unsignedResult, int bitPosition)
byte[]	getHash()	Get the hash component of this password.
int	getIterationCount()	Get the iteration count of this password.
(package private) <S extends KeySpec> S	getKeySpec(Class<S> keySpecType)
private static MessageDigest	getMD5MessageDigest()
byte[]	getSalt()	Get the salt component of this password.
int	hashCode()
private void	readObject(ObjectInputStream ignored)
(package private) static byte[]	sunMD5Crypt(String algorithm, byte[] password, byte[] salt, int iterationCount)	Hashes the given password using the Sun variant of the MD5 Crypt algorithm.
(package private) boolean	verify(char[] guess)
(package private) boolean	verify(char[] guess, Charset hashCharset)
(package private) Object	writeReplace()

Methods inherited from class org.wildfly.security.password.impl.AbstractPasswordImpl

getEncoded, getFormat, getNormalizedPasswordBytes, getNormalizedPasswordBytes, translate

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.security.Key

getEncoded, getFormat

Methods inherited from interface org.wildfly.security.password.Password

castAndApply, castAndApply, castAs, castAs

Methods inherited from interface org.wildfly.security.password.interfaces.SunUnixMD5CryptPassword

getParameterSpec, impliesParameters

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

MD5

static final String MD5

See Also:

Constant Field Values

MAGIC_BYTES

static final byte[] MAGIC_BYTES

MAGIC_BYTES_WITH_ROUNDS

static final byte[] MAGIC_BYTES_WITH_ROUNDS

SEPARATOR_BYTES

static final byte[] SEPARATOR_BYTES

BASIC_ROUND_COUNT

static final int BASIC_ROUND_COUNT

See Also:

Constant Field Values

algorithm

private final String algorithm

hash

private final byte[] hash

salt

private final byte[] salt

iterationCount

private final int iterationCount

HAMLET_EXCERPT

private static final String HAMLET_EXCERPT

See Also:

Constant Field Values

Constructor Detail

SunUnixMD5CryptPasswordImpl

SunUnixMD5CryptPasswordImpl(String algorithm,
                            byte[] clonedHash,
                            byte[] clonedSalt,
                            int iterationCount)

SunUnixMD5CryptPasswordImpl

SunUnixMD5CryptPasswordImpl(SunUnixMD5CryptPassword password)

SunUnixMD5CryptPasswordImpl

SunUnixMD5CryptPasswordImpl(String algorithm,
                            IteratedSaltedHashPasswordSpec spec)

SunUnixMD5CryptPasswordImpl

SunUnixMD5CryptPasswordImpl(String algorithm,
                            SaltedHashPasswordSpec spec)

SunUnixMD5CryptPasswordImpl

SunUnixMD5CryptPasswordImpl(ClearPasswordSpec spec)
                     throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

SunUnixMD5CryptPasswordImpl

SunUnixMD5CryptPasswordImpl(String algorithm,
                            char[] password,
                            Charset hashCharset)
                     throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

SunUnixMD5CryptPasswordImpl

SunUnixMD5CryptPasswordImpl(String algorithm,
                            char[] password,
                            IteratedSaltedPasswordAlgorithmSpec spec,
                            Charset hashCharset)
                     throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

SunUnixMD5CryptPasswordImpl

SunUnixMD5CryptPasswordImpl(String algorithm,
                            char[] password,
                            SaltedPasswordAlgorithmSpec spec,
                            Charset hashCharset)
                     throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

SunUnixMD5CryptPasswordImpl

SunUnixMD5CryptPasswordImpl(String algorithm,
                            char[] password,
                            IteratedPasswordAlgorithmSpec spec,
                            Charset hashCharset)
                     throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

SunUnixMD5CryptPasswordImpl

private SunUnixMD5CryptPasswordImpl(String algorithm,
                                    char[] password,
                                    byte[] clonedSalt,
                                    int iterationCount,
                                    Charset hashCharset)
                             throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

Method Detail

getAlgorithm

public String getAlgorithm()

Specified by:

getAlgorithm in interface Key

getHash

public byte[] getHash()

Description copied from interface: SunUnixMD5CryptPassword

Get the hash component of this password.

Specified by:

getHash in interface SunUnixMD5CryptPassword

Returns:

the hash

getSalt

public byte[] getSalt()

Description copied from interface: SunUnixMD5CryptPassword

Get the salt component of this password.

Specified by:

getSalt in interface SunUnixMD5CryptPassword

Returns:

the salt

getIterationCount

public int getIterationCount()

Description copied from interface: SunUnixMD5CryptPassword

Get the iteration count of this password.

Specified by:

getIterationCount in interface SunUnixMD5CryptPassword

Returns:

the iteration count

getKeySpec

<S extends KeySpec> S getKeySpec(Class<S> keySpecType)
                          throws InvalidKeySpecException

Specified by:

getKeySpec in class AbstractPasswordImpl

Throws:

InvalidKeySpecException

verify

boolean verify(char[] guess)
        throws InvalidKeyException

Specified by:

verify in class AbstractPasswordImpl

Throws:

InvalidKeyException

verify

boolean verify(char[] guess,
               Charset hashCharset)
        throws InvalidKeyException

Overrides:

verify in class AbstractPasswordImpl

Throws:

InvalidKeyException

convertibleTo

<T extends KeySpec> boolean convertibleTo(Class<T> keySpecType)

Specified by:

convertibleTo in class AbstractPasswordImpl

sunMD5Crypt

static byte[] sunMD5Crypt(String algorithm,
                          byte[] password,
                          byte[] salt,
                          int iterationCount)
                   throws NoSuchAlgorithmException

Hashes the given password using the Sun variant of the MD5 Crypt algorithm.

Parameters:

algorithm - the algorithm to be used. Possible values are available as constants on {link}SunUnixMD5CryptPassword{link}

password - the password to be hashed

salt - the salt

iterationCount - the number of additional iterations to use

Returns:

a byte[] containing the hashed password

Throws:

NoSuchAlgorithmException - if a MessageDigest object that implements MD5 cannot be retrieved

getDigestBit

private static int getDigestBit(int[] unsignedResult,
                                int bitPosition)

getMD5MessageDigest

private static MessageDigest getMD5MessageDigest()
                                          throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

hashCode

public int hashCode()

Specified by:

hashCode in class AbstractPasswordImpl

equals

public boolean equals(Object obj)

Specified by:

equals in class AbstractPasswordImpl

readObject

private void readObject(ObjectInputStream ignored)
                 throws NotSerializableException

Throws:

NotSerializableException

writeReplace

Object writeReplace()

clone

public SunUnixMD5CryptPasswordImpl clone()

Description copied from interface: Password

Creates and returns a copy of this Password.

Specified by:

clone in interface OneWayPassword

Specified by:

clone in interface Password

Specified by:

clone in interface SunUnixMD5CryptPassword

Specified by:

clone in class AbstractPasswordImpl

Returns:

a copy of this Password.