If you were willing to sacrifice the use of a PC chat system (You could possibly implement another application such as Wickr), I would recommend "ChatSecure".Īs always, please point out incorrect facts in my answer. Here is a very basic run-down of applications you may like to consider. Here is a screenshot of the latest build from the website: The iOS and Apple version of this product work in a similar nature. The application is not the most GUI friendly, but from personal experience it isn't that hard to use.
As for the fact you are after this product, I assume you (and those who shall use this) are pretty tech-savvy. SHA256 is used as the standard hashing function and as the underlying hash function for the HKDF. Verifying the signedPreKey, but is otherwise unused throughout the X25519 is used for all Elliptic-Curve Diffie-Hellman (ECDH)operations.Ī four-way ECDH handshake is used for the initial authenticated key exchangeĪnd further ECDH operations are routinely performed for preKey generation and message ratcheting.ĮD25519 is used for generating identityKeyPair and for signing and Here is a take-out of their security page:ĪES is used in Galois Counter Mode (GCM) for authenticated symmetric encryption with added data. Home made encryption (I do not believe) is used, and whether you review the code to ensure it is secure is debatable. Utilized End-To-End Encryption and supports AESĪES is used in Galois Counter Mode (GCM) for authenticated symmetric. #Does cryptocat have end to end encryption software#
All Cryptocat software is published transparently. Use ChatSecure, run up your own XMPP server, OTR protocol.ĭownside here is that it does not meet your preferences:Īlterntaviely you could use CryptoCat, as it meets most your needs:
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