Hi Ishan, thank you :-) - ​- Kumaran R
​ On Mon, Aug 7, 2017 at 10:53 PM, Ishan Chattopadhyaya < ichattopadhy...@gmail.com> wrote: > Harry Ochiai (Hitachi) has some index encryption solution, > https://www.slideshare.net/maggon/securing-solr-search-data-in-the-cloud > I think it is proprietary, but I'm not sure. Maybe more googling might help > find the exact page where his solution is described. > > On Mon, Aug 7, 2017 at 9:59 PM, Kumaran Ramasubramanian < > kums....@gmail.com> > wrote: > > > Hi Erick, i want to encrypt some fields of an document which has personal > > identifiable information ( both indexed and stored data)... for eg: > email, > > mobilenumber etc.. i am able to find LUCENE-6966 alone while googling > it.. > > any related pointers in solr or latest lucene version? > > > > > > - > > ​- > > Kumaran R​ > > > > On Mon, Aug 7, 2017 at 9:52 PM, Erick Erickson <erickerick...@gmail.com> > > wrote: > > > > > No, since you haven't defined what you want to encrypt, what your > > > requirements are, what you hope to get out of "encryption" etc. > > > > > > Put the index on an encrypting filesystem and forget about it if you > > > possibly can, because anything else is a significant amount of work. > > > To encrypt the searchable tokens on a per-user basis in memory is a > > > _lot_ of work. It depends on your security needs. > > > > > > Otherwise, as I said, please ask specific questions as the topic is > > > quite large, much too large to conduct a seminar through the user's > > > list. > > > > > > Best, > > > Erick > > > > > > On Mon, Aug 7, 2017 at 9:07 AM, Kumaran Ramasubramanian > > > <kums....@gmail.com> wrote: > > > > Hi Erick, > > > > > > > > Thanks for the information. Any pointers about encryption options > > in > > > > solr? > > > > > > > > > > > > -- > > > > Kumaran R > > > > > > > > > > > > > > > > On Mon, Aug 7, 2017 at 9:17 PM, Erick Erickson < > > erickerick...@gmail.com> > > > > wrote: > > > > > > > >> Encryption in Solr has a bunch of ramifications. Do you care about > > > >> > > > >> - encryption at rest or in memory? > > > >> - encrypting the _searchable_ tokens? > > > >> - encrypting the searchable tokens per-user? > > > >> - encrypting the stored data (which a filter won't do BTW). > > > >> > > > >> It's actually a fairly complex topic the discussion at LUCENE-6966 > > > >> outlines much of it. Please ask specific questions as you research > the > > > >> topic. One per-user encryption package that I know of is by Hitachi > > > >> Solutions (commercial) and it explicitly does _not_ support, for > > > >> instance, wildcards (there are other limitations too). See: > > > >> http://www.hitachi-solutions.com/securesearch/ > > > >> > > > >> Most of the time when people ask for encryption they soon discover > > > >> it's much more difficult than they imagine and settle for just > putting > > > >> the indexes on an encrypting file system. When they move beyond that > > > >> it gets complex and you'd be well advised to consult with Solr > > > >> security experts. > > > >> > > > >> Best, > > > >> Erick > > > >> > > > >> On Sun, Aug 6, 2017 at 11:30 PM, Kumaran Ramasubramanian > > > >> <kums....@gmail.com> wrote: > > > >> > Hi All, > > > >> > > > > >> > > > > >> > After looking at all below discussions, i have one doubt which may > > be > > > >> silly > > > >> > or novice but i want to throw this to lucene user list. > > > >> > > > > >> > if we have encryption layer included in our analyzer's flow of > > filters > > > >> like > > > >> > EncryptionFilter to control field-level encryption. what are the > > > >> > consequences ? am i missing anything basic? > > > >> > > > > >> > Thanks in advance.. > > > >> > > > > >> > > > > >> > Related links: > > > >> > > > > >> > https://issues.apache.org/jira/browse/LUCENE-2228 : AES Encrypted > > > >> Directory > > > >> > - in lucene 3.x > > > >> > > > > >> > https://issues.apache.org/jira/browse/LUCENE-6966 : Codec for > > > >> index-level > > > >> > encryption - at codec level, to have control on which column / > field > > > have > > > >> > personal identifiable information > > > >> > > > > >> > https://security.stackexchange.com/questions/ > > > 111153/is-a-lucene-search- > > > >> index-effectively-a-backdoor-for-field-level-encryption > > > >> > > > > >> > > > > >> > A decent encrypting algorithm will not produce, say, the same > first > > > >> portion > > > >> >> for two tokens that start with the same letters. So wildcard > > searches > > > >> won't > > > >> >> work. Consider "runs", "running", "runner". A search on "run*" > > would > > > be > > > >> >> expected to match all three, but wouldn't unless the encryption > > were > > > so > > > >> >> trivial as to be useless. Similar issues arise with sorting. > "More > > > Like > > > >> >> This" would be unreliable. There are many other features of a > > robust > > > >> search > > > >> >> engine that would be impacted, and an index with encrypted terms > > > would > > > >> be > > > >> >> useful for only exact matches, which usually results in a poor > > search > > > >> >> experience. > > > >> > > > > >> > > > > >> > https://stackoverflow.com/questions/36604551/adding- > > > >> encryption-to-solr-lucene-indexes > > > >> > > > > >> > > > > >> > > > > >> > > > > >> > > > > >> > > > > >> > -- > > > >> > Kumaran R > > > >> > > > >> ------------------------------------------------------------ > --------- > > > >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > > > >> For additional commands, e-mail: java-user-h...@lucene.apache.org > > > >> > > > >> > > > > > > --------------------------------------------------------------------- > > > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > > > For additional commands, e-mail: java-user-h...@lucene.apache.org > > > > > > > > >
