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1

Saturday, August 27th 2011, 10:39am

AES and Signatures and other stuff ^^

Hi people,
i coding a software where i need to crypt a file with AES and after this signature this file with a own created key-chain (public and private).

Example...

Server:
Have a own CA Cert and create key chain certs for other user.

User 1:
Ask Server for a cert and key chain.
Crypt a file with AES after this, signature this file with the server given information.
Give User 2 the file via eMail.

User 2:
Open the file...
Application check if signature correct.
Decrypt the file and save this to the harddrive.


This is a simple senario... But Qt have no AES or Signature support.
I read something about QCA... but this will not work by me!?!?!

The application must run on a Mac and a Windows computer.
Developing starts with the Mac version.

Have anybody an idea...?
Or have anybody a step by step tutorial to install and use QCA?
questions oder questions ;-)

Thanks.