/**
    * Portions of this software was developed by employees of the National Institute
    * of Standards and Technology (NIST), an agency of the Federal Government and is
    * being made available as a public service. Pursuant to title 17 United States
    * Code Section 105, works of NIST employees are not subject to copyright
    * protection in the United States. This software may be subject to foreign
    * copyright. Permission in the United States and in foreign countries, to the
    * extent that NIST may hold copyright, to use, copy, modify, create derivative
    * works, and distribute this software and its documentation without fee is hereby
   * granted on a non-exclusive basis, provided that this notice and disclaimer
   * of warranty appears in all copies.
   *
   * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
   * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
   * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
   * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
   * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE.  IN NO EVENT
   * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
   * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
   * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
   * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
   * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
   * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
   */
  
  package gov.nist.secauto.swid.builder.resource.firmware;
  
  import gov.nist.secauto.swid.builder.resource.HashAlgorithm;
  import gov.nist.secauto.swid.builder.resource.HashUtils;
  
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.security.NoSuchAlgorithmException;
  import java.util.Objects;
  
  public class FirmwarePayloadDigest {
    private final DigestType type;
    private final HashAlgorithm algorithm;
    private final byte[] value;
    private final byte[] guidance;
  
    public FirmwarePayloadDigest(DigestType type, HashAlgorithm algorithm, File file)
        throws NoSuchAlgorithmException, IOException {
      this(type, algorithm, HashUtils.hash(algorithm, file));
    }
  
    public FirmwarePayloadDigest(DigestType type, HashAlgorithm algorithm, File file, byte[] guidance)
        throws NoSuchAlgorithmException, IOException {
      this(type, algorithm, HashUtils.hash(algorithm, file), guidance);
    }
  
    public FirmwarePayloadDigest(DigestType type, HashAlgorithm algorithm, InputStream is)
        throws NoSuchAlgorithmException, IOException {
      this(type, algorithm, HashUtils.hash(algorithm, is));
    }
  
    public FirmwarePayloadDigest(DigestType type, HashAlgorithm algorithm, InputStream is, byte[] guidance)
        throws NoSuchAlgorithmException, IOException {
      this(type, algorithm, HashUtils.hash(algorithm, is), guidance);
    }
  
    public FirmwarePayloadDigest(DigestType type, HashAlgorithm algorithm, byte[] value) {
      this(type, algorithm, value, null);
    }
  
    public FirmwarePayloadDigest(DigestType type, HashAlgorithm algorithm, byte[] value, byte[] guidance) {
      super();
      Objects.requireNonNull(type, "type");
      Objects.requireNonNull(algorithm, "algorithm");
      Objects.requireNonNull(value, "value");
      this.type = type;
      this.algorithm = algorithm;
      this.value = value;
      this.guidance = guidance;
    }
  
    /**
     * @return the type
     */
    public DigestType getType() {
      return type;
    }
  
    /**
     * @return the algorithm
     */
    public HashAlgorithm getAlgorithm() {
      return algorithm;
    }
  
    /**
     * @return the value
     */
    public byte[] getValue() {
      return value;
    }
  
   /**
    * @return the guidance
    */
   public byte[] getGuidance() {
     return guidance;
   }
 }