Share data with asymmetric crypto-system
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A asymmetric crypto-system is used, when the user want to share the data with another one.
acceptance criteria:
- All data is symmetrical encrypted stored and therefore the exchange have to be asymmetrical.
- The private key should also be encrypted stored/saved.
- The public key shall be distributed to all other users.
- The whole exchange can be implemented like Diffie-Hellmann or PGP.