Chiffry Secure Messenger

Offers in-app purchases

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
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What's New

- Verbesserter Bilderversand und Gruppen-Chats
- Stabilere Verbindung
- Problem mit Huawai-Geräten behoben
- viele weitere kleinere Verbesserungen
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Additional Information

Updated
November 1, 2017
Size
21M
Installs
10,000+
Current Version
v1.2.54
Requires Android
2.3.3 and up
Content Rating
Everyone
Interactive Elements
Users Interact, Digital Purchases
In-app Products
$0.99 - $22.83 per item
Permissions
Offered By
Chiffry GmbH
Developer
Ernst-Thälmann-Str. 39 06179 Teutschenthal Deutschland
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