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Chiffry Secure Messenger

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    Chiffry Secure Messenger

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    Description

    Chiffry is the first app with the quality label "IT Security made in Germany", which allows you a safe and comprehensive communication. With Chiffry you can make phone calls tap-proof and send your photos, videos, contacts, voice and text messages confidential. All data will be securely transmitted using state-of-the-art end-to-end encryption (256 bit AES - GCM 512 bit ECDH) and digital signatures (512 bit ECDSA).

    For information security these key lengths and encryption methods are used:
    Chiffry uses elliptic curve cryptography (ECC) and the industry standard AES. The key lengths used correspond respectively to 15,500 bit RSA keys (Source: BSI TR 02102-1). Other service providers offer usually security equal to a maximum of 4,096 bit RSA keys.

    According to the BSI (Federal Office for Information Security) directive "BSI TR-03111" the recommended ECC curve "brainpoolP512r1" for asymmetric functions is exclusively used.

    The referenced BSI guidelines can be found here:
    https://www.bsi.bund.de/DE/Publikationen/TechnischeRichtlinien/tr02102/index_htm.html
    https://www.bsi.bund.de/DE/Publikationen/TechnischeRichtlinien/tr03111/index_htm.html

    Users review

    from 854 reviews

    "Great"

    8