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javax.xml.crypto.dsig.spec

Class HMACParameterSpec

Contents
  • All Implemented Interfaces:
    AlgorithmParameterSpec, SignatureMethodParameterSpec

    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>
    Since:
    1.6
    See Also:
    SignatureMethod, RFC 2104

    • Constructor Detail

      • HMACParameterSpec

        public HMACParameterSpec(int outputLength)
        Creates an HMACParameterSpec with the specified truncation length.
        Parameters:
        outputLength - the truncation length in number of bits

    • Method Detail

      • getOutputLength

        public int getOutputLength()
        Returns the truncation length.
        Returns:
        the truncation length in number of bits

Document created the 11/06/2005, last modified the 04/03/2020
Source of the printed document:https://www.gaudry.be/en/java-api-rf-javax/xml/crypto/dsig/spec/HMACParameterSpec.html

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