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POorg.jasypt.exceptions.EncryptionOperationNotPossibleException in Tomcat
 

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    <p>I'm using the Jasypt encryption library to encrypt/decrypt some text. This code is embedded in a WAR file and deployed to a server.</p> <p>When running locally, and in unit tests, the encrypt/decrypt cycle works perfectly. I use Jetty to develop the application. The code works perfectly in that server. For some reason, deploying to Tomcat breaks it with the following exception:</p> <p>FYI, I have the strong encryption libraries installed in both my local and server environments and I'm using the latest 1.6 version (patch level 25).</p> <p><strong>org.jasypt.exceptions.EncryptionOperationNotPossibleException</strong></p> <p>The exception has no message.</p> <p>The code is fully symmetric. I pasted it here for examination. Here are the relevant bits:</p> <p>I found one <a href="http://old.nabble.com/At-my-wits-end---EncryptionOperationNotPossibleException-td18470285.html" rel="noreferrer">old Nabble post</a> where a user had a very similar problem. Code worked everywhere except inside Tomcat. No solution was given.</p> <p>Any insights would be most appreciated.</p> <p>**Update: ** Running in Tomcat on my local system, it appears to work. So there's something about my server. On the server, I'm using a 64-bit JVM on Windows Server 2008. I'm using a 32-bit JVM locally (due to my system being a bit older). I wonder if this has something to do with the issue.</p> <pre><code>public void initializeService() { binaryEncryptor = new BasicBinaryEncryptor(); binaryEncryptor.setPassword(keyBase64); } @Override public &lt;T extends Serializable&gt; String simpleEncrypt(T objectToEncrypt) throws EncryptionException { ByteArrayOutputStream bos = new ByteArrayOutputStream(); try { ObjectOutputStream oos = new ObjectOutputStream(bos); oos.writeObject(objectToEncrypt); byte[] bytes = binaryEncryptor.encrypt(bos.toByteArray()); return new String(Base64.encodeBase64(bytes)); } catch (IOException e) { LOGGER.error("failed to encrypt String: " + e.getMessage()); throw new EncryptionException(e.getMessage(), e); } catch (Exception e) { LOGGER.error("failed to encrypt String: " + e.getMessage()); throw new EncryptionException(e.getMessage(), e); } }; @SuppressWarnings("unchecked") @Override public &lt;T&gt; T simpleDecrypt(String objectToDecrypt) throws EncryptionException { try { byte[] bytes = Base64.decodeBase64(objectToDecrypt); byte[] decryptedBytes = binaryEncryptor.decrypt(bytes); ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(decryptedBytes)); T object = (T)ois.readObject(); return object; } catch (IOException e) { LOGGER.error("failed to decrypt String: '" + objectToDecrypt + "', mesage = " + e.getMessage()); throw new EncryptionException(e.getMessage(), e); } catch (Exception e) { LOGGER.error("failed to decrypt String: '" + objectToDecrypt + "', mesage = " + e.getMessage()); throw new EncryptionException(e.getMessage(), e); } } </code></pre>
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    1. COI'd like a confirmation - is it the decryption operation that is failing with the exception? If so, have you already checked out [this question at StackOverflow](http://stackoverflow.com/questions/4905281/miffed-simple-code-but-org-jasypt-exceptions-encryptionoperationnotpossib) ?
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    2. COThis is an awesome comment from the docs of jayst: It is intended to provide very little information (if any) of the error causes, so that encryption internals are not revealed through error messages.
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    3. COOK, I solved the problem. I was putting the encrypted String on the URL after Base64encoding, then URLencoding the string. In my environment, this worked fine. On my server, where I front-end Tomcat with Apache, this didn't work. I found an answer in the Jasypt FAQ. I changed from Base64 encoding to Hex encoding. This fixed it. I'm guessing that Apache may have altered the raw query string before passing to Tomcat.
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