org.apache.xml.security.algorithms.implementations

Class SignatureDSA

java.lang.Object

org.apache.xml.security.algorithms.SignatureAlgorithmSpi

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

Direct Known Subclasses:

SignatureDSA.SHA256

public class SignatureDSA
extends SignatureAlgorithmSpi

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SignatureDSA.SHA256

Field Summary

Fields

Modifier and Type	Field and Description
static String	URI

Constructor Summary

Constructors

Constructor and Description
SignatureDSA() Constructor SignatureDSA
SignatureDSA(Provider provider)

Method Summary

Modifier and Type	Method and Description
protected String	engineGetJCEAlgorithmString() Method engineGetJCEAlgorithmString Proxy method for Signature.getAlgorithm() which is executed on the internal Signature object.
protected String	engineGetJCEProviderName() Method engineGetJCEProviderName Method engineGetJCEProviderName
protected String	engineGetURI() Method engineGetURI Returns the URI representation of Transformation algorithm
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

engineAddContextToElement, engineGetContextFromElement, engineInitSign, engineInitVerify

Methods inherited from class java.lang.Object

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

Field Detail

URI

public static final String URI

See Also:

Constant Field Values

Constructor Detail

SignatureDSA

public SignatureDSA()
             throws XMLSignatureException

Constructor SignatureDSA

Throws:

XMLSignatureException

SignatureDSA

public SignatureDSA(Provider provider)
             throws XMLSignatureException

Throws:

XMLSignatureException

Method Detail

engineGetURI

protected String engineGetURI()

Method engineGetURI Returns the URI representation of Transformation algorithm

Specified by:

engineGetURI in class SignatureAlgorithmSpi

Returns:

the URI representation of Transformation algorithm

engineSetParameter

protected void engineSetParameter(AlgorithmParameterSpec params)
                           throws XMLSignatureException

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

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

Method engineInitVerify

Specified by:

engineInitVerify in class SignatureAlgorithmSpi

Throws:

XMLSignatureException

engineSign

protected byte[] engineSign()
                     throws XMLSignatureException

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

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

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

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

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

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

Specified by:

engineGetJCEAlgorithmString in class SignatureAlgorithmSpi

Returns:

the result of the Signature.getAlgorithm() method

engineGetJCEProviderName

protected String engineGetJCEProviderName()

Method 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