1 files changed, 0 insertions, 156 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/utils/DataHashUtils.java b/src/main/java/at/gv/egiz/pdfas/utils/DataHashUtils.java
deleted file mode 100644
index 4b26ada..0000000
--- a/src/main/java/at/gv/egiz/pdfas/utils/DataHashUtils.java
+++ /dev/null
@@ -1,156 +0,0 @@
-/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- */
-package at.gv.egiz.pdfas.utils;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.UnsupportedEncodingException;
-import java.security.DigestInputStream;
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-
-import org.apache.commons.codec.binary.Base64;
-
-import at.knowcenter.wag.egov.egiz.pdf.BinarySignatureHolder;
-import at.knowcenter.wag.egov.egiz.pdf.SignatureHolder;
-import at.knowcenter.wag.egov.egiz.pdf.TextualSignatureHolder;
-
-/**
- * Contains helpful methods for building data hashed.
- * 
- * <p>
- * Data hashes are useful for summarizing the signed data of signatures for
- * debugging and testing purposes. Do not use these hashes for signatures.
- * </p>
- * <p>
- * A data hash is always a Base64 encoded String.
- * </p>
- * 
- * @author wprinz
- * 
- */
-public final class DataHashUtils
-{
-
-  /**
-   * 
-   * @param text
-   * @return
-   */
-  public static String buildDataHash(String text)
-  {
-    try
-    {
-      MessageDigest md = getMessageDigest();
-      // probable performance leak for very large texts
-      md.update(text.getBytes("UTF-8"));
-      byte[] rawDigest = md.digest();
-
-      return encodeDigest(rawDigest);
-    }
-    catch (UnsupportedEncodingException e)
-    {
-      throw new RuntimeException(e);
-    }
-  }
-
-  public static String buildDataHash(byte[] data)
-  {
-    MessageDigest md = getMessageDigest();
-    md.update(data);
-    byte[] rawDigest = md.digest();
-
-    return encodeDigest(rawDigest);
-  }
-
-  public static String buildDataHash(InputStream is)
-  {
-    try
-    {
-      MessageDigest md = getMessageDigest();
-
-      DigestInputStream dis = new DigestInputStream(is, md);
-
-      byte[] temp = new byte[1024];
-      int i = 0;
-      while (dis.read(temp) >= 0)
-      {
-        // this just keeps the compiler from optimizing this loop away
-        i++;
-      }
-      dis.close();
-
-      byte[] rawDigest = md.digest();
-
-      return encodeDigest(rawDigest);
-    }
-    catch (IOException e)
-    {
-      throw new RuntimeException(e);
-    }
-  }
-  
-  public static String buildDataHash(SignatureHolder sh)
-  {
-    if (sh instanceof TextualSignatureHolder)
-    {
-      TextualSignatureHolder tsh = (TextualSignatureHolder) sh;
-      String signedText = tsh.getSignedText();
-      return buildDataHash(signedText);
-    }
-    
-    {
-      BinarySignatureHolder bsh = (BinarySignatureHolder) sh;
-      InputStream is = bsh.getSignedPdf().createInputStream();
-      return buildDataHash(is);
-    }
-  }
-
-  protected static MessageDigest getMessageDigest()
-  {
-    try
-    {
-      MessageDigest sha1 = MessageDigest.getInstance("SHA-1");
-      return sha1;
-    }
-    catch (NoSuchAlgorithmException e)
-    {
-      throw new RuntimeException(e);
-    }
-  }
-
-  protected static String encodeDigest(byte[] rawDigest)
-  {
-    try
-    {
-      byte[] encoded = Base64.encodeBase64(rawDigest);
-      String str = new String(encoded, "US-ASCII");
-      return str;
-    }
-    catch (UnsupportedEncodingException e)
-    {
-      throw new RuntimeException(e);
-    }
-  }
-}