Fully encrypted intelligent search for digital safes

DSwiss AG Logo
“We particularly appreciate the excellent collaboration with Karakun, their know-how and the attitude of the very good engineers who bring a lot of value to a project. We look forward to accomplishing many more exciting and ambitious feats together in the future.”
Tobias Christen, CEO
Vault at a bank

Download the complete case study
(PDF file, German)


Everyone is familiar with Google as a search engine for unencrypted data. Start your browser, enter your search term – and voilà: relevant results are displayed immediately. Similar products with a wide range of functions are of course also available for other application areas – such as file storage systems. But does the search for specific documents and the information stored in them also work in highly secure, multiple-encrypted environments? This is exactly where the success story with DSwiss AG in Zurich and Karakun begins.

DSwiss AG is a provider of high-security digital safes. However, whereas in a classic safe only the owner knows what content is placed in it, the transmission of digital information via the publicly accessible Internet carries risks. For this reason, the data is encrypted twice during transport. This, though, makes searching a safe a problem.

With the help of Karakun, DSwiss AG was now able to solve this challenge for its customers and even create additional added value. Using the innovative and convenient multilingual semantic full-text search, customers can now search directly through the content of their encrypted documents. In addition to improving text extraction, the state-of-the-art search solution delivers additional functionality such as content analysis of each document by personal names, places, organizations and other pertinent terms in the search index. Furthermore, the document type is automatically determined, and invoices, contracts, user manuals, résumés, etc., recognized. The information thus obtained is used to efficiently filter search results, so that users can find the documents they are looking for with just a few clicks. For users this is more convenient, natural and faster.

Karakun was able to develop this solution highly efficiently using agile development methods, thanks to its more than 20 years of experience in the field of computational linguistics and an established international network of research institutes. In addition to language experts, Karakun AG employs experienced software engineers, UI experts and project managers with a broad background in artificial intelligence, speech processing and big data.

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