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From aravinth thangasami <aravinththangas...@gmail.com>
Subject Re: Encryption At Rest - Using CustomAnalyzer
Date Tue, 06 Feb 2018 02:42:08 GMT
Kindly post your suggestions.



On Mon, Dec 4, 2017 at 11:27 PM, aravinth thangasami <
aravinththangasami@gmail.com> wrote:

> Hi all,
>
> To support Encryption at Rest, We have written a custom analyzer, that
> encrypts every token in the Input string and proceeds to the default
> indexing chain
>
> We are using AES/CTR/NoPadding with unique Key Per User.
> This helps that the input string with common prefix, the encrypted strings
> will also get common prefix
> So that we can perform Prefix Query also.
>
> For example,
>
> run           x5X7
> runs  x5X7tg==
> running x5X7q/nE5g==
>
>
> During searching, we will preprocess the query for encrypted Field before
> searching
> we can't do  WildCard & Fuzzy Query
>
>
> Did anyone try this approach?
> Please post your suggestions and your tried approaches
>
>
> Thanks
> Aravinth
>
>
>
>

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