All Superinterfaces:

XMLStructure
```
public interface XMLSignature
extends XMLStructure
```
A representation of the XML Signature element as defined in the W3C Recommendation for XML-Signature Syntax and Processing. This class contains methods for signing and validating XML signatures with behavior as defined by the W3C specification. The XML Schema Definition is defined as:
```
 <element name="Signature" type="ds:SignatureType"/>
 <complexType name="SignatureType">
    <sequence>
      <element ref="ds:SignedInfo"/>
      <element ref="ds:SignatureValue"/>
      <element ref="ds:KeyInfo" minOccurs="0"/>
      <element ref="ds:Object" minOccurs="0" maxOccurs="unbounded"/>
    </sequence>
    <attribute name="Id" type="ID" use="optional"/>
 </complexType>
 
```
An XMLSignature instance may be created by invoking one of the newXMLSignature methods of the XMLSignatureFactory class.
If the contents of the underlying document containing the XMLSignature are subsequently modified, the behavior is undefined.
Note that this class is named XMLSignature rather than Signature to avoid naming clashes with the existing java.security.Signature class.
Since:

1.6

See Also:
XMLSignatureFactory.newXMLSignature(SignedInfo, KeyInfo), XMLSignatureFactory.newXMLSignature(SignedInfo, KeyInfo, List, String, String)

Nested Class Summary

Nested Classes
Modifier and Type	Interface and Description
`static interface`	`XMLSignature.SignatureValue` A representation of the XML `SignatureValue` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.

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Field Summary

Fields
Modifier and Type Field and Description

static String XMLNS
The XML Namespace URI of the W3C Recommendation for XML-Signature Syntax and Processing.

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Method Summary

Methods
Modifier and Type	Method and Description
`String`	`getId()` Returns the optional Id of this `XMLSignature`.
`KeyInfo`	`getKeyInfo()` Returns the key info of this `XMLSignature`.
`KeySelectorResult`	`getKeySelectorResult()` Returns the result of the `KeySelector`, if specified, after this `XMLSignature` has been signed or validated.
`List`	`getObjects()` Returns an `unmodifiable list` of `XMLObject`s contained in this `XMLSignature`.
`XMLSignature.SignatureValue`	`getSignatureValue()` Returns the signature value of this `XMLSignature`.
`SignedInfo`	`getSignedInfo()` Returns the signed info of this `XMLSignature`.
`void`	`sign(XMLSignContext signContext)` Signs this `XMLSignature`.
`boolean`	`validate(XMLValidateContext validateContext)` Validates the signature according to the core validation processing rules.

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Methods inherited from interface javax.xml.crypto.XMLStructure
isFeatureSupported

- Field Detail
  - XMLNS
```
static final String XMLNS
```
    The XML Namespace URI of the W3C Recommendation for XML-Signature Syntax and Processing.
    
    See Also:
    Constant Field Values
- Method Detail
  - validate
```
boolean validate(XMLValidateContext validateContext)
                 throws XMLSignatureException
```
    Validates the signature according to the core validation processing rules. This method validates the signature using the existing state, it does not unmarshal and reinitialize the contents of the XMLSignature using the location information specified in the context.
    This method only validates the signature the first time it is invoked. On subsequent invocations, it returns a cached result.
    
    Parameters:
    validateContext - the validating context
    
    Returns:
    true if the signature passed core validation, otherwise false
    
    Throws:
    
    ClassCastException - if the type of validateContext is not compatible with this XMLSignature
    
    NullPointerException - if validateContext is null
    
    XMLSignatureException - if an unexpected error occurs during validation that prevented the validation operation from completing
  - getKeyInfo
```
KeyInfo getKeyInfo()
```
    Returns the key info of this XMLSignature.
    
    Returns:
    the key info (may be null if not specified)
  - getSignedInfo
```
SignedInfo getSignedInfo()
```
    Returns the signed info of this XMLSignature.
    
    Returns:
    the signed info (never null)
  - getObjects
```
List getObjects()
```
    Returns an unmodifiable list of XMLObjects contained in this XMLSignature.
    
    Returns:
    an unmodifiable list of XMLObjects (may be empty but never null)
  - getId
```
String getId()
```
    Returns the optional Id of this XMLSignature.
    
    Returns:
    the Id (may be null if not specified)
  - getSignatureValue
```
XMLSignature.SignatureValue getSignatureValue()
```
    Returns the signature value of this XMLSignature.
    
    Returns:
    the signature value
  - sign
```
void sign(XMLSignContext signContext)
          throws MarshalException,
                 XMLSignatureException
```
    Signs this XMLSignature.
    If this method throws an exception, this XMLSignature and the signContext parameter will be left in the state that it was in prior to the invocation.
    
    Parameters:
    signContext - the signing context
    
    Throws:
    
    ClassCastException - if the type of signContext is not compatible with this XMLSignature
    
    NullPointerException - if signContext is null
    
    MarshalException - if an exception occurs while marshalling
    
    XMLSignatureException - if an unexpected exception occurs while generating the signature
  - getKeySelectorResult
```
KeySelectorResult getKeySelectorResult()
```
    Returns the result of the KeySelector, if specified, after this XMLSignature has been signed or validated.
    
    Returns:
    the key selector result, or null if a key selector has not been specified or this XMLSignature has not been signed or validated

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Document heeft de 11/06/2005 gemaakt, de laatste keer de 04/03/2020 gewijzigd
Bron van het afgedrukte document:https://www.gaudry.be/nl/java-api-rf-javax/xml/crypto/dsig/xmlsignature.html

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Interface XMLSignature

Nested Class Summary

Field Summary

Method Summary

Methods inherited from interface javax.xml.crypto.XMLStructure

Field Detail

XMLNS

Method Detail

validate

getKeyInfo

getSignedInfo

getObjects

getId

getSignatureValue

sign

getKeySelectorResult

Referenties