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

[Jon Callas]

> On Sep 18, 2025, at 03:22, zeb at qtt.se wrote:
> 
>> On 2025-09-18 06:52, Jon Callas wrote:
>> An OTP, though, is basically a stream cipher that is hard to set up and hard to use and is malleable. Again, there are places where it works well, and those are high-latency, low-bandwidth communications, or things like numbers stations.
>> Jon
> 
> Sure, with a truly random key as long as the plaintext ;>
> 

Exactly, but the hard part is not "truly random" it's "as long as the plaintext."

Once you have developed a way to securely send the pad, the next engineering question is why not optimize and send the message by the mechanism you use to send the pad?

	Jon