CryptoSHA1BASE64


1   /*
2    ************************************************************************************
3    * Copyright (C) 2001-2007 Openbravo S.L.
4    * Licensed under the Apache Software License version 2.0
5    * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
6    * Unless required by applicable law or agreed to  in writing,  software  distributed
7    * under the License is distributed  on  an  "AS IS"  BASIS,  WITHOUT  WARRANTIES  OR
8    * CONDITIONS OF ANY KIND, either  express  or  implied.  See  the  License  for  the
9    * specific language governing permissions and limitations under the License.
10   ************************************************************************************
11  */
12  package org.openbravo.utils;
13  
14  import javax.servlet.ServletException  ;
15  import java.io.UnsupportedEncodingException  ;
16  import java.security.MessageDigest  ;
17  import java.security.NoSuchAlgorithmException  ;
18  import sun.misc.BASE64Encoder;
19  
20  public final class CryptoSHA1BASE64 {
21    public static String   encriptar(String   textoplano) throws ServletException   {
22      MessageDigest   md = null;
23  
24      try {
25        md = MessageDigest.getInstance("SHA"); // SHA-1 generator instance
26      } catch(NoSuchAlgorithmException   e) {
27        throw new ServletException  (e.getMessage());
28      }
29  
30      try {
31        md.update(textoplano.getBytes("UTF-8")); // Message summary generation
32      } catch(UnsupportedEncodingException   e) {
33        throw new ServletException  (e.getMessage());
34      }
35  
36      byte raw[] = md.digest(); // Message summary reception
37      String   hash = (new BASE64Encoder()).encode(raw); // Encoding to BASE64
38      return hash;
39    }
40  }
41
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