org.apache.xml.security.algorithms.implementations
Class SignatureDSA

java.lang.Object
  extended by org.apache.xml.security.algorithms.SignatureAlgorithmSpi
      extended by org.apache.xml.security.algorithms.implementations.SignatureDSA
Direct Known Subclasses:
SignatureDSA.SHA256

public class SignatureDSA
extends SignatureAlgorithmSpi


Nested Class Summary
static class SignatureDSA.SHA256
           
 
Constructor Summary
SignatureDSA()
          Constructor SignatureDSA
 
Method Summary
protected  String engineGetJCEAlgorithmString()
          Method engineGetJCEAlgorithmString
protected  String engineGetJCEProviderName()
          Method engineGetJCEProviderName
protected  String engineGetURI()
          Method engineGetURI
protected  void engineInitSign(Key privateKey)
          Proxy method for Signature.initSign(java.security.PrivateKey) which is executed on the internal Signature object.
protected  void engineInitSign(Key signingKey, AlgorithmParameterSpec algorithmParameterSpec)
          Method engineInitSign
protected  void engineInitSign(Key privateKey, SecureRandom secureRandom)
          Proxy method for Signature.initSign(java.security.PrivateKey, java.security.SecureRandom) which is executed on the internal Signature object.
protected  void engineInitVerify(Key publicKey)
          Method engineInitVerify
protected  void engineSetHMACOutputLength(int HMACOutputLength)
          Method engineSetHMACOutputLength
protected  void engineSetParameter(AlgorithmParameterSpec params)
          Proxy method for Signature.setParameter( java.security.spec.AlgorithmParameterSpec) which is executed on the internal Signature object.
protected  byte[] engineSign()
          Proxy method for Signature.sign() which is executed on the internal Signature object.
protected  void engineUpdate(byte input)
          Proxy method for Signature.update(byte[]) which is executed on the internal Signature object.
protected  void engineUpdate(byte[] input)
          Proxy method for Signature.update(byte[]) which is executed on the internal Signature object.
protected  void engineUpdate(byte[] buf, int offset, int len)
          Proxy method for Signature.update(byte[], int, int) which is executed on the internal Signature object.
protected  boolean engineVerify(byte[] signature)
          Proxy method for Signature.verify(byte[]) which is executed on the internal Signature object.
 
Methods inherited from class org.apache.xml.security.algorithms.SignatureAlgorithmSpi
engineGetContextFromElement, reset
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SignatureDSA

public SignatureDSA()
             throws XMLSignatureException
Constructor SignatureDSA

Throws:
XMLSignatureException
Method Detail

engineGetURI

protected String engineGetURI()
Method engineGetURI

Specified by:
engineGetURI in class SignatureAlgorithmSpi
Returns:
the URI representation of Transformation algorithm

engineSetParameter

protected void engineSetParameter(AlgorithmParameterSpec params)
                           throws XMLSignatureException
Description copied from class: SignatureAlgorithmSpi
Proxy method for Signature.setParameter( java.security.spec.AlgorithmParameterSpec) which is executed on the internal Signature object.

Specified by:
engineSetParameter in class SignatureAlgorithmSpi
Throws:
XMLSignatureException

engineVerify

protected boolean engineVerify(byte[] signature)
                        throws XMLSignatureException
Description copied from class: SignatureAlgorithmSpi
Proxy method for Signature.verify(byte[]) which is executed on the internal Signature object.

Specified by:
engineVerify in class SignatureAlgorithmSpi
Returns:
true if the signature is correct
Throws:
XMLSignatureException

engineInitVerify

protected void engineInitVerify(Key publicKey)
                         throws XMLSignatureException
Description copied from class: SignatureAlgorithmSpi
Method engineInitVerify

Specified by:
engineInitVerify in class SignatureAlgorithmSpi
Throws:
XMLSignatureException

engineSign

protected byte[] engineSign()
                     throws XMLSignatureException
Description copied from class: SignatureAlgorithmSpi
Proxy method for Signature.sign() which is executed on the internal Signature object.

Specified by:
engineSign in class SignatureAlgorithmSpi
Returns:
the result of the Signature.sign() method
Throws:
XMLSignatureException

engineInitSign

protected void engineInitSign(Key privateKey,
                              SecureRandom secureRandom)
                       throws XMLSignatureException
Description copied from class: SignatureAlgorithmSpi
Proxy method for Signature.initSign(java.security.PrivateKey, java.security.SecureRandom) which is executed on the internal Signature object.

Specified by:
engineInitSign in class SignatureAlgorithmSpi
Throws:
XMLSignatureException - if this method is called on a MAC

engineInitSign

protected void engineInitSign(Key privateKey)
                       throws XMLSignatureException
Description copied from class: SignatureAlgorithmSpi
Proxy method for Signature.initSign(java.security.PrivateKey) which is executed on the internal Signature object.

Specified by:
engineInitSign in class SignatureAlgorithmSpi
Throws:
XMLSignatureException - if this method is called on a MAC

engineUpdate

protected void engineUpdate(byte[] input)
                     throws XMLSignatureException
Description copied from class: SignatureAlgorithmSpi
Proxy method for Signature.update(byte[]) which is executed on the internal Signature object.

Specified by:
engineUpdate in class SignatureAlgorithmSpi
Throws:
XMLSignatureException

engineUpdate

protected void engineUpdate(byte input)
                     throws XMLSignatureException
Description copied from class: SignatureAlgorithmSpi
Proxy method for Signature.update(byte[]) which is executed on the internal Signature object.

Specified by:
engineUpdate in class SignatureAlgorithmSpi
Throws:
XMLSignatureException

engineUpdate

protected void engineUpdate(byte[] buf,
                            int offset,
                            int len)
                     throws XMLSignatureException
Description copied from class: SignatureAlgorithmSpi
Proxy method for Signature.update(byte[], int, int) which is executed on the internal Signature object.

Specified by:
engineUpdate in class SignatureAlgorithmSpi
Throws:
XMLSignatureException

engineGetJCEAlgorithmString

protected String engineGetJCEAlgorithmString()
Method engineGetJCEAlgorithmString

Specified by:
engineGetJCEAlgorithmString in class SignatureAlgorithmSpi
Returns:
the result of the Signature.getAlgorithm() method

engineGetJCEProviderName

protected String engineGetJCEProviderName()
Method engineGetJCEProviderName

Specified by:
engineGetJCEProviderName in class SignatureAlgorithmSpi
Returns:
the JCE ProviderName

engineSetHMACOutputLength

protected void engineSetHMACOutputLength(int HMACOutputLength)
                                  throws XMLSignatureException
Method engineSetHMACOutputLength

Specified by:
engineSetHMACOutputLength in class SignatureAlgorithmSpi
Parameters:
HMACOutputLength -
Throws:
XMLSignatureException

engineInitSign

protected void engineInitSign(Key signingKey,
                              AlgorithmParameterSpec algorithmParameterSpec)
                       throws XMLSignatureException
Method engineInitSign

Specified by:
engineInitSign in class SignatureAlgorithmSpi
Parameters:
signingKey -
algorithmParameterSpec -
Throws:
XMLSignatureException


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