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HMACParameterSpec.java API Doc Java SE 6 API 1694 Tue Jun 10 00:27:06 BST 2008 javax.xml.crypto.dsig.spec

HMACParameterSpec

java.lang.Object

public final class HMACParameterSpec extends Object implements SignatureMethodParameterSpec

Parameters for the XML Signature HMAC Algorithm. The parameters include an optional output length which specifies the MAC truncation length in bits. The resulting HMAC will be truncated to the specified number of bits. If the parameter is not specified, then this implies that all the bits of the hash are to be output. The XML Schema Definition of the HMACOutputLength element is defined as:


<element name="HMACOutputLength" minOccurs="0" type="ds:HMACOutputLengthType"/>
<simpleType name="HMACOutputLengthType">
<restriction base="integer"/>
</simpleType>

author: Sean Mullan
author: JSR 105 Expert Group
since: 1.6
see: SignatureMethod
see: RFC 2104

Fields Summary
private int
outputLength
Constructors Summary
public HMACParameterSpec(int outputLength)
Creates an HMACParameterSpec with the specified truncation length.
param
outputLength the truncation length in number of bits
this.outputLength = outputLength;
Methods Summary
public int getOutputLength()
Returns the truncation length.
return
the truncation length in number of bits
return outputLength;