[messaging] "Short" authentication strings

[Michael Rogers]

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On 27/07/14 18:43, Tony Arcieri wrote:
> With a system like Confusion, which is using a mixer, one side
> publishes a key exchange message which is authenticated using a
> passphrase, and the other side uses that passphrase to determine
> which message in the firehose to trust.

Thanks for the explanation. So does the recipient need to do the
stretching for every message in the firehose?

Cheers,
Michael
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