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org.apache.xml.security.algorithms
Class MessageDigestAlgorithm

java.lang.Object
  extended byorg.apache.xml.security.utils.ElementProxy
      extended byorg.apache.xml.security.algorithms.Algorithm
          extended byorg.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.
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