1. 0_kit End to End encryption in your app
Mihály Lengyel
Developer

2. A bit of background Tresorit is a secure cloud file storage solution
Zero Knowledge
We don’t know your password – not even a hash
We don’t know your keys – we can’t be forced to give it up
We don’t know your data – even a filename leak is a breach
Without all the marketing stuff:
Both key management and encryption is done on the client

3. The problem

4. Channel + “at rest” encryption
Storage
Server
Mallory ? ?

5. Channel + “at rest” encryption
Storage
Server
Mallory

6. Client-side Encryption?
Mallory
Alice ?
Storage
Server ?
Mallory
Bob

7. Solutions Cloud On-premise srv Client device DRM Key mgmt Encrypt at
More keys
Complexity
Encrypt at
Key mgmt
Cloud
On-premise srv
Client device
“At-rest” + “In-transit”
At-rest + on-prem HSM
Session-based encryption
CASB encryption gateway
DRM
Full-disc encryption
On-premise DRM
Client-side encryption
More platforms

8. Our solution – Zero Kit
A building block, embedded into your application
Working insides iframes seamlessly blended into your app

9. Architectural view 0_kit Service Your back-end REST APIs
Your database
User data, encrypted
Approval of client-side operations without exposing user content
Enforce business logic on server (e.g. who can share with whom)
User profiles
Client-side encrypted keys
Your browser/mobile app
0_kit client library
Zero Knowledge User authentication
Key management
Encrypt, Decrypt, Share

10. 0_kit End to End encryption in your app To try it contact: Reach me personally: