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Secure user authentication
and call setup, with SHA-256 digest authentication or TLS client certificates.
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豆荚网络加速器注册
based on ZRTP or SRTP-DTLS end-to-end encryption protocols, using AES 128-bit or 256-bit key length and safe Elliptic Curves Diffie-Hellman (ECDH) X25519 and X448.
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Secure im and group chat (mobile only)
with Linphone Instant Messaging Encryption (LIME), using modern ciphering curve X448 and double ratchet algorithm for perfect forward secrecy.