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## javax.xml.crypto.dsig
Interface SignedInfo

All Superinterfaces:
  XMLStructure

    public interface SignedInfo

extends XMLStructure

An representation of the XML `SignedInfo` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing. The XML Schema Definition is defined as:

     <element name="SignedInfo" type="ds:SignedInfoType"/>
     <complexType name="SignedInfoType">
       <sequence>
         <element ref="ds:CanonicalizationMethod"/>
         <element ref="ds:SignatureMethod"/>
         <element ref="ds:Reference" maxOccurs="unbounded"/>
       </sequence>
       <attribute name="Id" type="ID" use="optional"/>
     </complexType>

A `SignedInfo` instance may be created by invoking one of the `newSignedInfo` methods of the `XMLSignatureFactory` class.

Author:
  Sean Mullan, JSR 105 Expert Group
See Also:
  `XMLSignatureFactory.newSignedInfo(CanonicalizationMethod, SignatureMethod, List)`, `XMLSignatureFactory.newSignedInfo(CanonicalizationMethod, SignatureMethod, List, String)`

Method Summary
`CanonicalizationMethod` | `getCanonicalizationMethod()` Returns the canonicalization method of this `SignedInfo`.
`java.io.InputStream` | `getCanonicalizedData()` Returns the canonicalized signed info bytes after a signing or validation operation.
`java.lang.String` | `getId()` Returns the optional `Id` attribute of this `SignedInfo`.
`java.util.List` | `getReferences()` Returns an `unmodifiable list` of one or more `Reference`s.
`SignatureMethod` | `getSignatureMethod()` Returns the signature method of this `SignedInfo`.

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

Method Detail

### getCanonicalizationMethod

    CanonicalizationMethod getCanonicalizationMethod()

  Returns the canonicalization method of this `SignedInfo`.

  Returns:
    the canonicalization method

### getSignatureMethod

    SignatureMethod getSignatureMethod()

  Returns the signature method of this `SignedInfo`.

  Returns:
    the signature method

### getReferences

    java.util.List getReferences()

  Returns an `unmodifiable list` of one or more `Reference`s.

  Returns:
    an unmodifiable list of one or more `Reference`s

### getId

    java.lang.String getId()

  Returns the optional `Id` attribute of this `SignedInfo`.

  Returns:
    the id (may be `null` if not specified)

### getCanonicalizedData

    java.io.InputStream getCanonicalizedData()

  Returns the canonicalized signed info bytes after a signing or validation operation. This method is useful for debugging.

  Returns:
    an `InputStream` containing the canonicalized bytes, or `null` if this `SignedInfo` has not been signed or validated yet

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