SignatureMethod (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档

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Java™ Platform
Standard Ed. 6

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javax.xml.crypto.dsig
Interface SignatureMethod

All Superinterfaces:: AlgorithmMethod, XMLStructure

public interface SignatureMethod
extends XMLStructure, AlgorithmMethod
extends XMLStructure, AlgorithmMethod

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

   <element name="SignatureMethod" type="ds:SignatureMethodType"/>
     <complexType name="SignatureMethodType" mixed="true">
       <sequence>
         <element name="HMACOutputLength" minOccurs="0" type="ds:HMACOutputLengthType"/>
         <any namespace="##any" minOccurs="0" maxOccurs="unbounded"/>
           <!-- (0,unbounded) elements from (1,1) namespace -->
       </sequence>
       <attribute name="Algorithm" type="anyURI" use="required"/>
     </complexType>

A SignatureMethod instance may be created by invoking the newSignatureMethod method of the XMLSignatureFactory class.

Since:: 1.6
See Also:: XMLSignatureFactory.newSignatureMethod(String, SignatureMethodParameterSpec)

Field Summary

static String DSA_SHA1
          The DSAwithSHA1 (DSS) signature method algorithm URI.

static String HMAC_SHA1
          The HMAC-SHA1 MAC signature method algorithm URI

static String RSA_SHA1
          The RSAwithSHA1 (PKCS #1) signature method algorithm URI.

Method Summary

AlgorithmParameterSpec getParameterSpec()
          Returns the algorithm-specific input parameters of this SignatureMethod.

Methods inherited from interface javax.xml.crypto.XMLStructure

isFeatureSupported

Methods inherited from interface javax.xml.crypto.AlgorithmMethod

getAlgorithm

Field Summary
`static String`	`DSA_SHA1` The DSAwithSHA1 (DSS) signature method algorithm URI.
`static String`	`HMAC_SHA1` The HMAC-SHA1 MAC signature method algorithm URI
`static String`	`RSA_SHA1` The RSAwithSHA1 (PKCS #1) signature method algorithm URI.

Method Summary
`AlgorithmParameterSpec`	`getParameterSpec()` Returns the algorithm-specific input parameters of this `SignatureMethod`.

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

Methods inherited from interface javax.xml.crypto.AlgorithmMethod
`getAlgorithm`

Field Detail

DSA_SHA1

static final String DSA_SHA1

The DSAwithSHA1 (DSS) signature method algorithm URI.

See Also:: Constant Field Values

RSA_SHA1

static final String RSA_SHA1

The RSAwithSHA1 (PKCS #1) signature method algorithm URI.

See Also:: Constant Field Values

HMAC_SHA1

static final String HMAC_SHA1

The HMAC-SHA1 MAC signature method algorithm URI

See Also:: Constant Field Values

Method Detail

getParameterSpec

AlgorithmParameterSpec getParameterSpec()

Returns the algorithm-specific input parameters of this SignatureMethod.

The returned parameters can be typecast to a SignatureMethodParameterSpec object.

Specified by:: getParameterSpec in interface AlgorithmMethod

Returns:: the algorithm-specific input parameters of this SignatureMethod (may be null if not specified)