pdf-as-lib maven project files moved to pdf-as-lib

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/pdf-as/trunk@926 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c

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);

-    }

-  }

-}