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[APP][SOCIAL][4.0+] Cryptim - secure soc. network with transparent encryption on client(device) side

Discussion in 'Android Apps & Games' started by cryptimdev, Jan 1, 2014.

  1. cryptimdev

    cryptimdev Lurker
    Thread Starter

    Cryptim - is a mobile social network with transparent encryption on client side.

    Now you can transparently encrypt/decrypt messages/files on mobile device and share them with friends securely.
    No knowledge about cryptography is required.

    For encryption used RSA 2048bit(RSA/ECB/PKCS1Padding) and AES 256 bit(AES/CBC/PKCS5Padding), that are stable, proven and well-know cryptographic algorithms.

    Features:
    1. Encryption/decryption of messages occures on client mobile device.
    2. Server stores data in already encrypted state. So if server broken and database leaked, no private information can be extracted from such server/database.
    3. RSA key regeneration every 1 hour, new RSA keys used for encrypton of new messages.
    4. Server stores only public RSA keys, while private RSA keys are stored on client side.
    5. Message time to live on server is 7 days. After this time message will be deleted.
    6. Message extracted by destination client is removed from server.
    7. Data transfered between server and client encrypted with TLS v1.2.
    8. Captcha used to avoid automatic bruteforce attacks.

    Limitations:
    1) Synchronization of messages between multiple devices currently doesn't work.

    encryption, decryption, messenger, private key, public key, privacy, security, cryptography, social network, file sharing,
    RSA, AES.

    Google play link - https://play.google.com/store/apps/details?id=com.cryptim.client.droid
     

    Attached Files:



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