Post-Quantum Ciphertext Compression and Applications to Secure Group Messaging

In this document, we propose ciphertext compression techniques for schemes based on lattices, codes and supersingular elliptic-curve isogenies and measure their impact on several concrete schemes. We combine these techniques with secure group messaging protocols to make them more efficient. Finally, we apply sanitizable signatures to these protocols and further improve their efficiency.

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Your privacy: We will not store or use your details for any other purpose other than to correspond with you about this enquiry. You can read our privacy policy here.