oracle.security.xmlsec.dsig

Class XSSignatureValue

java.lang.Object

oracle.security.xmlsec.util.XMLNode

oracle.security.xmlsec.util.XMLElement

oracle.security.xmlsec.dsig.XSSignatureValue

public class XSSignatureValue
extends XMLElement

Class representing a XML-DSIG SignatureValue element.

See Also:

XSSignature.createSignatureValue()

Field Summary

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

node, systemId

Constructor Summary

Constructors

Constructor and Description
XSSignatureValue(org.w3c.dom.Document owner) Creates a new XSSignatureValue instance.
XSSignatureValue(org.w3c.dom.Document owner, byte[] sigBytes) Creates a new XSSignatureValue instance.
XSSignatureValue(org.w3c.dom.Document owner, byte[] sigBytes, java.lang.String id) Creates a new XSSignatureValue instance.
XSSignatureValue(org.w3c.dom.Document owner, java.lang.String id) Creates a new XSSignatureValue instance.
XSSignatureValue(org.w3c.dom.Element element) Creates a new XSSignatureValue instance from the given Element node.
XSSignatureValue(org.w3c.dom.Element element, java.lang.String systemId) Creates a new XSSignatureValue instance from the given Element node.

Method Summary

Modifier and Type	Method and Description
static byte[]	fromDSA(byte[] dsaVal) Wrapper over fromDSA(byte[], int) with size=20 for SHA-1.
static byte[]	fromDSA(byte[] dsaVal, int size) Converts a DSA signature value from ASN.1 format to PKCS#1 octet-stream format.
java.lang.String	getId() Returns the string value of the Id attribute of this SignatureValue, or null if the attribute is missing.
byte[]	getSignatureBytes() Returns the signature bytes.
void	setId(java.lang.String id) Sets the Id attribute of this SignatureValue.
void	setSignatureBytes(byte[] sigBytes) Sets the signature bytes for this SignatureValue element.
static byte[]	toDSA(byte[] sigVal) Converts a DSA signature value from PKCS#1 octet-stream format to ASN.1 format.

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

XSSignatureValue

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

Creates a new XSSignatureValue instance from the given Element node.

Parameters:

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

Throws:

org.w3c.dom.DOMException

XSSignatureValue

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

Creates a new XSSignatureValue instance from the given Element node.

Parameters:

element - An Element node in the XML document that conforms to the XML-DSIG SignatureValue 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)

XSSignatureValue

public XSSignatureValue(org.w3c.dom.Document owner)
                 throws org.w3c.dom.DOMException

Creates a new XSSignatureValue instance.

Parameters:

owner - The owner document of the new XSSignatureValue

Throws:

org.w3c.dom.DOMException

XSSignatureValue

public XSSignatureValue(org.w3c.dom.Document owner,
                        java.lang.String id)
                 throws org.w3c.dom.DOMException

Creates a new XSSignatureValue instance.

Parameters:

owner - The owner document of the new XSSignatureValue

id - An optional string ID name for this SignatureValue structure.

Throws:

org.w3c.dom.DOMException

XSSignatureValue

public XSSignatureValue(org.w3c.dom.Document owner,
                        byte[] sigBytes)
                 throws org.w3c.dom.DOMException

Creates a new XSSignatureValue instance.

Parameters:

owner - The owner document of the new XSSignatureValue

sigBytes - A byte array containing the signature.

Throws:

org.w3c.dom.DOMException

XSSignatureValue

public XSSignatureValue(org.w3c.dom.Document owner,
                        byte[] sigBytes,
                        java.lang.String id)
                 throws org.w3c.dom.DOMException

Creates a new XSSignatureValue instance.

Parameters:

owner - The owner document of the new XSSignatureValue

sigBytes - A byte array containing the signature.

id - An optional string ID name for this SignatureValue structure.

Throws:

org.w3c.dom.DOMException

Method Detail

setId

public void setId(java.lang.String id)
           throws org.w3c.dom.DOMException

Sets the Id attribute of this SignatureValue.

Throws:

org.w3c.dom.DOMException

getId

public java.lang.String getId()

Returns the string value of the Id attribute of this SignatureValue, or null if the attribute is missing.

setSignatureBytes

public void setSignatureBytes(byte[] sigBytes)
                       throws org.w3c.dom.DOMException

Sets the signature bytes for this SignatureValue element.

Parameters:

sigBytes - A byte array containing the signature.

Throws:

org.w3c.dom.DOMException

getSignatureBytes

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

Returns the signature bytes.

Returns:

A newly allocated byte array containing the signature, or null if none have been set.

Throws:

org.w3c.dom.DOMException

fromDSA

public static byte[] fromDSA(byte[] dsaVal)

Wrapper over fromDSA(byte[], int) with size=20 for SHA-1. For SHA2 functions, use that function directly.

fromDSA

public static byte[] fromDSA(byte[] dsaVal,
                             int size)

Converts a DSA signature value from ASN.1 format to PKCS#1 octet-stream format.

Parameters:

dsaVal - The bytes of an ASN.1 DER-encoded DSA s Converts a DSA signature value from ASN.1 format to PKCS#1 octet-stream format.

dsaVal - Converts a DSA signature value from ASN.1 format to PKCS#1 octet-stream format.

dsaVal - The bytes of an ASN.1 DER-encoded DSA signature value of the form

                                Dss-Sig-Value ::= SEQUENCE {
                                        r INTEGER,
                                        s INTEGER }
                        

.

Returns:

A byte array containing r and s, each encoded in size bytes as per PKCS#1 and concatenated.

toDSA

public static byte[] toDSA(byte[] sigVal)

Converts a DSA signature value from PKCS#1 octet-stream format to ASN.1 format.

Parameters:

sigVal - A byte array containing the DSA signature integer values r and s, each encoded in 20 bytes (SHA1 - 20 bytes, SHA256 - 32 bytes) as per PKCS#1 and concatenated.

Returns:

The bytes of an ASN.1 DER-encoded DSA signature value of the form

                                Dss-Sig-Value ::= SEQUENCE {
                                        r INTEGER,
                                        s INTEGER }
                        

.