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oracle.security.xmlsec.keys
Class DSAKeyValue

java.lang.Object
oracle.security.xmlsec.util.XMLNode
oracle.security.xmlsec.util.XMLElement
oracle.security.xmlsec.keys.DSAKeyValue

All Implemented Interfaces:

KeyValueData

public class DSAKeyValue

extends XMLElement

implements KeyValueData

XML-DSIG KeyValue class for DSA public keys.

The DSA key values used in a DSAKeyValue object are:

• P, Q: The DSA parameters P and Q are optional, but they must either both be present or both be absent.
• G: The DSA parameter G is optional.
• Y: The DSA public key value Y = G^X % P is required.
• J: The DSA parameter J = (P - 1) / Q is optional, and is included solely for efficiency. If P and Q are provided in the given DSAPublicKey, J will be calculated and included.
• seed, pgenCounter: The DSA prime generation seed bytes and counter are optional, but they must either both be present or both be absent.

Field Summary

Fields inherited from class oracle.security.xmlsec.util.XMLNode

node, systemId

Constructor Summary

DSAKeyValue(org.w3c.dom.Element element)
Creates a new DSAKeyValue instance from the given Element node.

DSAKeyValue(org.w3c.dom.Element element, java.lang.String systemId)
Creates a new DSAKeyValue instance from the given Element node.

Method Summary

java.math.BigInteger	getG() Returns the parameter G of this DSAKeyValue.
java.math.BigInteger	getJ() Returns the parameter J of this DSAKeyValue.
java.math.BigInteger	getP() Returns the prime modulus P of this DSAKeyValue.
java.math.BigInteger	getPGenCounter() Returns the prime generation counter of DSAKeyValue.
byte[]	getPGenSeed() Returns the prime generation seed bytes of this DSAKeyValue.
java.security.PublicKey	getPublicKey() Returns a oracle.security.crypto.core.PublicKey.
java.math.BigInteger	getQ() Returns the parameter Q of this DSAKeyValue.
java.lang.String	getType() Returns a URI identifying the type of KeyValue.
java.math.BigInteger	getY() Returns the key value Y of this DSAKeyValue.
void	setG(java.math.BigInteger g) Sets the DSA parameter G.
void	setJ(java.math.BigInteger j) Sets the DSA parameter J = (P - 1) / Q.
void	setPQ(java.math.BigInteger p, java.math.BigInteger q) Sets the DSA parameters P and Q.
void	setPrimeGen(byte[] seed, java.math.BigInteger counter) Sets the DSA prime generation Seed and PgenCounter parameters.
void	setY(java.math.BigInteger y) Sets the DSA key value Y = G^X % P.

Methods inherited from class oracle.security.xmlsec.util.XMLElement

addNSPrefixAttr, addNSPrefixAttr, addNSPrefixAttrDefault, addNSPrefixAttrDefault, getAttribute, getAttributeNode, getAttributeNodeNS, getAttributeNS, getChildElementsByTagName, getChildElementsByTagName, getChildElementsByTagNameNS, getChildElementsByTagNameNS, getDefaultNSPrefix, getElement, getElementsByTagName, getElementsByTagNameNS, getTagName, hasAttribute, hasAttributeNS, removeAttribute, removeAttributeNode, removeAttributeNS, setAttribute, setAttributeNode, setAttributeNodeNS, setAttributeNS, setDefaultNSPrefix

Methods inherited from class oracle.security.xmlsec.util.XMLNode

appendChild, appendChild, appendTo, cloneNode, getAttributes, getChildNodes, getFirstChild, getLastChild, getLocalName, getNamespaceURI, getNextSibling, getNode, getNodeName, getNodeType, getNodeValue, getOwnerDocument, getParentNode, getPrefix, getPreviousSibling, getSystemId, hasAttributes, hasChildNodes, insertBefore, insertBefore, isSupported, normalize, removeChild, removeChild, replaceChild, replaceChild, setNodeValue, setPrefix, setSystemId, toBytesXML, toStringXML

Methods inherited from class java.lang.Object

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

Constructor Detail

DSAKeyValue

public DSAKeyValue(org.w3c.dom.Element element)
            throws org.w3c.dom.DOMException

Creates a new DSAKeyValue instance from the given Element node.

Parameters:

element - An Element node in the XML document that conforms to the XML-DSIG DSAKeyValue schema.

Throws:

org.w3c.dom.DOMException

DSAKeyValue

public DSAKeyValue(org.w3c.dom.Element element,
                   java.lang.String systemId)
            throws org.w3c.dom.DOMException

Creates a new DSAKeyValue instance from the given Element node.

Parameters:

element - An Element node in the XML document that conforms to the XML-DSIG DSAKeyValue schema.

systemId - The URI string system ID for this element.

Throws:

org.w3c.dom.DOMException

Since:

2.0

See Also:

XMLNode.setSystemId(java.lang.String)

Method Detail

setPQ

public void setPQ(java.math.BigInteger p,
                  java.math.BigInteger q)
           throws org.w3c.dom.DOMException

Sets the DSA parameters P and Q. Both must either be present or missing in a DSAKeyValue instance.

Parameters:

p - The prime modulus.

q - A prime divisor of P-1.

Throws:

org.w3c.dom.DOMException

getP

public java.math.BigInteger getP()

Returns the prime modulus P of this DSAKeyValue.

getQ

public java.math.BigInteger getQ()

Returns the parameter Q of this DSAKeyValue.

setG

public void setG(java.math.BigInteger g)
          throws org.w3c.dom.DOMException

Sets the DSA parameter G.

Parameters:

g - The DSA parameter G.

Throws:

org.w3c.dom.DOMException

getG

public java.math.BigInteger getG()

Returns the parameter G of this DSAKeyValue.

setY

public void setY(java.math.BigInteger y)
          throws org.w3c.dom.DOMException

Sets the DSA key value Y = G^X % P.

Parameters:

y - The DSA key value Y.

Throws:

org.w3c.dom.DOMException

getY

public java.math.BigInteger getY()

Returns the key value Y of this DSAKeyValue.

setJ

public void setJ(java.math.BigInteger j)
          throws org.w3c.dom.DOMException

Sets the DSA parameter J = (P - 1) / Q.

Parameters:

j - The DSA parameter J.

Throws:

org.w3c.dom.DOMException

getJ

public java.math.BigInteger getJ()

Returns the parameter J of this DSAKeyValue.

setPrimeGen

public void setPrimeGen(byte[] seed,
                        java.math.BigInteger counter)
                 throws org.w3c.dom.DOMException

Sets the DSA prime generation Seed and PgenCounter parameters. Both must either be present or missing in a DSAKeyValue instance.

Parameters:

seed - The bytes of the prime generation seed.

counter - The prime generation counter.

Throws:

org.w3c.dom.DOMException

getPGenSeed

public byte[] getPGenSeed()
                   throws org.w3c.dom.DOMException

Returns the prime generation seed bytes of this DSAKeyValue.

Returns:

A newly allocated byte array containing the seed bytes.

Throws:

org.w3c.dom.DOMException

getPGenCounter

public java.math.BigInteger getPGenCounter()

Returns the prime generation counter of DSAKeyValue.

getPublicKey

public java.security.PublicKey getPublicKey()

Description copied from interface: KeyValueData

Returns a oracle.security.crypto.core.PublicKey.

Specified by:

getPublicKey in interface KeyValueData

getType

public java.lang.String getType()

Description copied from interface: KeyValueData

Returns a URI identifying the type of KeyValue.

Interface XMLURI contains the KeyInfo data type URIs for public key value elements defined in the XML Signature and XML Encryption namespaces, including:

• Diffie-Hellman Public Key XMLURI.obj_DHKeyValue
• DSA Public Key XMLURI.obj_DSAKeyValue
• RSA Public Key XMLURI.obj_RSAKeyValue

Specified by:

getType in interface KeyValueData

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