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/**
* OWASP Benchmark v1.2
*
* <p>This file is part of the Open Web Application Security Project (OWASP) Benchmark Project. For
* details, please see <a
* href="https://owasp.org/www-project-benchmark/">https://owasp.org/www-project-benchmark/</a>.
*
* <p>The OWASP Benchmark is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Foundation, version 2.
*
* <p>The OWASP Benchmark is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* @author Dave Wichers
* @created 2015
*/
package org.owasp.benchmark.testcode;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet(value = "/crypto-00/BenchmarkTest00005")
public class BenchmarkTest00005 extends HttpServlet {
private static final long serialVersionUID = 1L;
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request, response);
}
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// some code
response.setContentType("text/html;charset=UTF-8");
String param = "";
if (request.getHeader("BenchmarkTest00005") != null) {
param = request.getHeader("BenchmarkTest00005");
}
// URL Decode the header value since req.getHeader() doesn't. Unlike req.getParameter().
param = java.net.URLDecoder.decode(param, "UTF-8");
// Code based on example from:
// http://examples.javacodegeeks.com/core-java/crypto/encrypt-decrypt-file-stream-with-des/
// 8-byte initialization vector
// byte[] iv = {
// (byte)0xB2, (byte)0x12, (byte)0xD5, (byte)0xB2,
// (byte)0x44, (byte)0x21, (byte)0xC3, (byte)0xC3033
// };
java.security.SecureRandom random = new java.security.SecureRandom();
byte[] iv = random.generateSeed(8); // DES requires 8 byte keys
try {
javax.crypto.Cipher c = javax.crypto.Cipher.getInstance("DES/CBC/PKCS5Padding");
// Prepare the cipher to encrypt
javax.crypto.SecretKey key = javax.crypto.KeyGenerator.getInstance("DES").generateKey();
java.security.spec.AlgorithmParameterSpec paramSpec =
new javax.crypto.spec.IvParameterSpec(iv);
c.init(javax.crypto.Cipher.ENCRYPT_MODE, key, paramSpec);
// encrypt and store the results
byte[] input = {(byte) '?'};
Object inputParam = param;
if (inputParam instanceof String) input = ((String) inputParam).getBytes();
if (inputParam instanceof java.io.InputStream) {
byte[] strInput = new byte[1000];
int i = ((java.io.InputStream) inputParam).read(strInput);
if (i == -1) {
response.getWriter()
.println(
"This input source requires a POST, not a GET. Incompatible UI for the InputStream source.");
return;
}
input = java.util.Arrays.copyOf(strInput, i);
}
byte[] result = c.doFinal(input);
java.io.File fileTarget =
new java.io.File(
new java.io.File(org.owasp.benchmark.helpers.Utils.TESTFILES_DIR),
"passwordFile.txt");
java.io.FileWriter fw =
new java.io.FileWriter(fileTarget, true); // the true will append the new data
fw.write(
"secret_value="
+ org.owasp.esapi.ESAPI.encoder().encodeForBase64(result, true)
+ "\n");
fw.close();
response.getWriter()
.println(
"Sensitive value: '"
+ org.owasp
.esapi
.ESAPI
.encoder()
.encodeForHTML(new String(input))
+ "' encrypted and stored<br/>");
} catch (java.security.NoSuchAlgorithmException
| javax.crypto.NoSuchPaddingException
| javax.crypto.IllegalBlockSizeException
| javax.crypto.BadPaddingException
| java.security.InvalidKeyException
| java.security.InvalidAlgorithmParameterException e) {
response.getWriter()
.println(
"Problem executing crypto - javax.crypto.Cipher.getInstance(java.lang.String,java.security.Provider) Test Case");
e.printStackTrace(response.getWriter());
throw new ServletException(e);
}
}
}
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