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controversial opinion: any "encrypted messenger" protocol or proposal that says "key exchange is out of scope" can go directly in the :wastebasket:
@maho hmm, could you describe this method to me? It seems to have escaped my notice
"Diffie-Hellman" is the wrong answer btw.
@riking Keyservers.
@riking *cough* IPSec *cough*
@riking do one thing and do it well. there is a working, established method for key exchange, why reimplement the wheel?