[Cryptography] New White Paper: GhostLine - Information-Theoretically Secure Multi-Party Chat

[Ferecides de Siros]

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Hi Steve,

Thank you for this excellent historical context and references. The Kahn citations 
and SIGSALY example are particularly appreciated - they provide crucial real-world 
perspective that often gets overlooked in theoretical discussions.

Thank you especially for sharing the publicly available versions of the 
Vernam-Mauborgne papers - as an independent researcher without institutional access, 
this kind of openness is invaluable and truly supports academic progress.

The historical use cases you mentioned align precisely with the threat model GhostLine 
addresses: situations where secure initial key distribution is possible, but ongoing 
secure communication requires information-theoretic guarantees.

I'll certainly study these references in depth.

Best,
Hitokiri
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