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This announcement highlights the use of Signal Authenticated Diffie-Hellman with Deniability for secure and private messaging. It covers the process of exchanging encrypted messages and computing cryptographic keys. It also addresses the weaknesses of PGP, openssl.libcrypto, and libssl, and discusses real-world examples of crypto failures such as Two-Time Pad and VENONA Pad Reuse. Additionally, it mentions the vulnerabilities of KRACK attack, GCM, DSA Signatures, Sony Playstation 3 DRM, and Android RNG Bug in relation to Bitcoin.
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Signal Authenticated Diffie-Hellman with Deniability
Signal Authenticated Diffie-Hellman with Deniability Alice sends gA and ga Bob sends gB and gb
Signal Authenticated Diffie-Hellman with Deniability Both compute KDF(gAb, gaB, gab)
SHA3 (Keccak) Cryptographic Sponge Construction