org.restlet.data

Class Digest

java.lang.Object

org.restlet.data.Digest

public class Digest
extends Object

Describes a digest value and the digest algorithm used. Digests can have several use cases such as ensuring the integrity of representations exchanges between resources, or for authentication purpose.

Author:

Jerome Louvel

See Also:

Representation.getDigest()

Field Summary

Fields

Modifier and Type	Field and Description
static String	ALGORITHM_HTTP_DIGEST Digest algorithm for the HTTP DIGEST scheme.
static String	ALGORITHM_MD2 Digest algorithm defined in RFC 1319.
static String	ALGORITHM_MD5 Digest algorithm defined in RFC 1321.
static String	ALGORITHM_NONE No digest algorithm defined.
static String	ALGORITHM_SHA_1 Digest algorithm defined in Secure Hash Standard, NIST FIPS 180-1.
static String	ALGORITHM_SHA_256 NIST approved digest algorithm from SHA-2 family.
static String	ALGORITHM_SHA_384 NIST approved digest algorithm from SHA-2 family.
static String	ALGORITHM_SHA_512 NIST approved digest algorithm from SHA-2 family.

Constructor Summary

Constructors

Constructor and Description
Digest(byte[] value) Constructor using the MD5 algorithm by default.
Digest(String algorithm, byte[] value) Constructor.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
String	getAlgorithm() Returns the digest algorithm.
byte[]	getValue() Returns the digest value.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

ALGORITHM_MD2

public static final String ALGORITHM_MD2

Digest algorithm defined in RFC 1319.

See Also:

Constant Field Values

ALGORITHM_MD5

public static final String ALGORITHM_MD5

Digest algorithm defined in RFC 1321.

See Also:

Constant Field Values

ALGORITHM_NONE

public static final String ALGORITHM_NONE

No digest algorithm defined.

See Also:

Constant Field Values

ALGORITHM_SHA_1

public static final String ALGORITHM_SHA_1

Digest algorithm defined in Secure Hash Standard, NIST FIPS 180-1.

See Also:

Constant Field Values

ALGORITHM_SHA_256

public static final String ALGORITHM_SHA_256

NIST approved digest algorithm from SHA-2 family.

See Also:

Constant Field Values

ALGORITHM_SHA_384

public static final String ALGORITHM_SHA_384

NIST approved digest algorithm from SHA-2 family.

See Also:

Constant Field Values

ALGORITHM_SHA_512

public static final String ALGORITHM_SHA_512

NIST approved digest algorithm from SHA-2 family.

See Also:

Constant Field Values

ALGORITHM_HTTP_DIGEST

public static final String ALGORITHM_HTTP_DIGEST

Digest algorithm for the HTTP DIGEST scheme. This is exactly the A1 value specified in RFC2617 which is a MD5 hash of the user name, realm and password, separated by a colon character.

See Also:

Constant Field Values

Constructor Detail

Digest

public Digest(byte[] value)

Constructor using the MD5 algorithm by default.

Parameters:

value - The digest value.

Digest

public Digest(String algorithm,
              byte[] value)

Constructor.

Parameters:

algorithm - The digest algorithm.

value - The digest value.

Method Detail

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

getAlgorithm

public String getAlgorithm()

Returns the digest algorithm.

Returns:

The digest algorithm.

getValue

public byte[] getValue()

Returns the digest value.

Returns:

The digest value.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object