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| Re: EMFstore: encrypted model persistence? [message #1441873 is a reply to message #1441816] |
Fri, 10 October 2014 09:48  |
 Jonas Helming
Messages: 699
Registered: July 2009 |
Senior Member |
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Hi,
IMHO, the model does not sound like a perfect place to save password. If
required, I would only encrypt the password field itself, not the
complete model. The password for the encyrption would have to come from
the user to be secure.
However, why don't you just replace the resource factory, used by EMFStore?
best regards
Jonas
Am 10.10.2014 10:15, schrieb Christian Reuter:
> Hi,
>
> I want to save passwords in an emf model which is persisted by an
> emfstore server. However the "projectstate-XXX.ups" - files which are
> saved by the server to persist the model are unencrypted xml-files which
> is not very good when saving passwords.
>
> Is there any hidden option which I can set in the properties.es file to
> have emfstore save encrypted model persistence files instead?
>
> If not: can you put this on the desirable feature list?
>
> As it is quite easy to define a custom resourceFactory which encrypts
> the files like in the following code this should not be a big deal to
> implement:
>
> public class MyXMIFactoryImpl extends XMIResourceFactoryImpl {
>
> @Override
> public Resource createResource(URI uri) {
> XMIResourceFactoryImpl resFactory = new XMIResourceFactoryImpl();
> XMIResource resource = (XMIResource) resFactory.createResource(uri);
> try {
> resource.getDefaultLoadOptions().put(Resource.OPTION_CIPHER,
> new AESCipherImpl("12345"));
> resource.getDefaultSaveOptions().put(Resource.OPTION_CIPHER,
> new AESCipherImpl("12345"));
> } catch (Exception e) {
> e.printStackTrace();
> }
> return resource;
> }
> }
>
> Thx,
>
> chris
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