org.apache.xml.security.algorithms
Class MessageDigestAlgorithm

java.lang.Object
  |
  +--org.apache.xml.security.utils.ElementProxy
        |
        +--org.apache.xml.security.algorithms.Algorithm
              |
              +--org.apache.xml.security.algorithms.MessageDigestAlgorithm

public class MessageDigestAlgorithm

extends Algorithm

Digest Message wrapper & selector class.

 MessageDigestAlgorithm.getInstance()
 

Field Summary

static java.lang.String	ALGO_ID_DIGEST_NOT_RECOMMENDED_MD5
static java.lang.String	ALGO_ID_DIGEST_RIPEMD160
static java.lang.String	ALGO_ID_DIGEST_SHA1
static java.lang.String	ALGO_ID_DIGEST_SHA256
static java.lang.String	ALGO_ID_DIGEST_SHA384
static java.lang.String	ALGO_ID_DIGEST_SHA512

Fields inherited from class org.apache.xml.security.utils.ElementProxy

_baseURI, _constructionElement, _doc, _state, MODE_CREATE, MODE_DECRYPT, MODE_ENCRYPT, MODE_PROCESS, MODE_SIGN, MODE_UNKNOWN, MODE_VERIFY

Method Summary

byte[]	digest() Proxy method for MessageDigest.digest() which is executed on the internal MessageDigest object.
byte[]	digest(byte[] input) Proxy method for MessageDigest.digest() which is executed on the internal MessageDigest object.
int	digest(byte[] buf, int offset, int len) Proxy method for MessageDigest.digest() which is executed on the internal MessageDigest object.
java.security.MessageDigest	getAlgorithm() Returns the actual MessageDigest algorithm object
java.lang.String	getBaseLocalName() Returns the localname of the Elements of the sub-class.
java.lang.String	getBaseNamespace() Method getBaseNamespace
int	getDigestLength() Proxy method for MessageDigest.getDigestLength() which is executed on the internal MessageDigest object.
static MessageDigestAlgorithm	getInstance(org.w3c.dom.Document doc, java.lang.String algorithmURI) Factory method for constructing a message digest algorithm by name.
java.lang.String	getJCEAlgorithmString() Proxy method for MessageDigest.getAlgorithm() which is executed on the internal MessageDigest object.
java.security.Provider	getJCEProvider() Proxy method for MessageDigest.getProvider() which is executed on the internal MessageDigest object.
static boolean	isEqual(byte[] digesta, byte[] digestb) Proxy method for MessageDigest.isEqual(byte[], byte[]) which is executed on the internal MessageDigest object.
void	reset() Proxy method for MessageDigest.reset() which is executed on the internal MessageDigest object.
void	update(byte input) Proxy method for MessageDigest.update(byte) which is executed on the internal MessageDigest object.
void	update(byte[] input) Proxy method for MessageDigest.update(byte) which is executed on the internal MessageDigest object.
void	update(byte[] buf, int offset, int len) Proxy method for MessageDigest.update(byte) which is executed on the internal MessageDigest object.

Methods inherited from class org.apache.xml.security.algorithms.Algorithm

getAlgorithmURI, setAlgorithmURI

Methods inherited from class org.apache.xml.security.utils.ElementProxy

addBase64Element, addBase64Text, addBigIntegerElement, addText, addTextElement, createElementForFamily, getBaseURI, getBigIntegerFromChildElement, getBytesFromChildElement, getBytesFromTextChild, getChildElementLocalName, getDefaultPrefix, getDocument, getElement, getElementPlusReturns, getTextFromChildElement, getTextFromTextChild, guaranteeThatElementInCorrectSpace, length, setDefaultPrefix, setElement, setXPathNamespaceContext

Methods inherited from class java.lang.Object

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

Field Detail

ALGO_ID_DIGEST_NOT_RECOMMENDED_MD5

public static final java.lang.String ALGO_ID_DIGEST_NOT_RECOMMENDED_MD5

See Also:

Constant Field Values

ALGO_ID_DIGEST_SHA1

public static final java.lang.String ALGO_ID_DIGEST_SHA1

See Also:

Constant Field Values

ALGO_ID_DIGEST_SHA256

public static final java.lang.String ALGO_ID_DIGEST_SHA256

See Also:

Constant Field Values

ALGO_ID_DIGEST_SHA384

public static final java.lang.String ALGO_ID_DIGEST_SHA384

See Also:

Constant Field Values

ALGO_ID_DIGEST_SHA512

public static final java.lang.String ALGO_ID_DIGEST_SHA512

See Also:

Constant Field Values

ALGO_ID_DIGEST_RIPEMD160

public static final java.lang.String ALGO_ID_DIGEST_RIPEMD160

See Also:

Constant Field Values

Method Detail

getInstance

public static MessageDigestAlgorithm getInstance(org.w3c.dom.Document doc,
                                                 java.lang.String algorithmURI)
                                          throws XMLSignatureException

Factory method for constructing a message digest algorithm by name.

Parameters:

doc -

algorithmURI -

Throws:

XMLSignatureException

getAlgorithm

public java.security.MessageDigest getAlgorithm()

Returns the actual MessageDigest algorithm object

Returns:

the actual MessageDigest algorithm object

isEqual

public static boolean isEqual(byte[] digesta,
                              byte[] digestb)

Proxy method for MessageDigest.isEqual(byte[], byte[]) which is executed on the internal MessageDigest object.

Parameters:

digesta -

digestb -

Returns:

the result of the MessageDigest.isEqual(byte[], byte[]) method

See Also:

JavaUtils.binaryCompare(byte[], byte[])

digest

public byte[] digest()

Proxy method for MessageDigest.digest() which is executed on the internal MessageDigest object.

Returns:

the result of the MessageDigest.digest() method

digest

public byte[] digest(byte[] input)

Proxy method for MessageDigest.digest() which is executed on the internal MessageDigest object.

Parameters:

input -

Returns:

the result of the MessageDigest.digest() method

digest

public int digest(byte[] buf,
                  int offset,
                  int len)
           throws java.security.DigestException

Proxy method for MessageDigest.digest() which is executed on the internal MessageDigest object.

Parameters:

buf -

offset -

len -

Returns:

the result of the MessageDigest.digest() method

Throws:

java.security.DigestException

getJCEAlgorithmString

public java.lang.String getJCEAlgorithmString()

Proxy method for MessageDigest.getAlgorithm() which is executed on the internal MessageDigest object.

Returns:

the result of the MessageDigest.getAlgorithm() method

getJCEProvider

public java.security.Provider getJCEProvider()

Proxy method for MessageDigest.getProvider() which is executed on the internal MessageDigest object.

Returns:

the result of the MessageDigest.getProvider() method

getDigestLength

public int getDigestLength()

Proxy method for MessageDigest.getDigestLength() which is executed on the internal MessageDigest object.

Returns:

the result of the MessageDigest.getDigestLength() method

reset

public void reset()

Proxy method for MessageDigest.reset() which is executed on the internal MessageDigest object.

update

public void update(byte[] input)

Proxy method for MessageDigest.update(byte) which is executed on the internal MessageDigest object.

Parameters:

input -

update

public void update(byte input)

Proxy method for MessageDigest.update(byte) which is executed on the internal MessageDigest object.

Parameters:

input -

update

public void update(byte[] buf,
                   int offset,
                   int len)

Proxy method for MessageDigest.update(byte) which is executed on the internal MessageDigest object.

Parameters:

buf -

offset -

len -

getBaseNamespace

public java.lang.String getBaseNamespace()

Method getBaseNamespace

Specified by:

getBaseNamespace in class ElementProxy

Returns:

the namespace of the Elements of the sub-class.

getBaseLocalName

public java.lang.String getBaseLocalName()

Description copied from class: ElementProxy

Returns the localname of the Elements of the sub-class.

Specified by:

getBaseLocalName in class ElementProxy

Returns:

the localname of the Elements of the sub-class.