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by zmanian
3688 days ago
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The Signal protocol is for all intents asymptote the state of the art in the design of a secure messaging protocol. There doesn't seem to be any meaningful improvements to the design without changing the requirements. New requirements might be - Post Quantum forward secrecy - Groups messaging with transcript verification - Security weakness in x25519 or AES-CBC-HMAC or SHA256 primitives. If you don't have any new requirements, crypto protocol developer time is a scarce resource. Why reinvent the state of the art? |
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