[Cryptography] Proposal of a fair contract signing protocol

[mok-kong shen]

Am 01.07.2016 um 06:33 schrieb Ray Dillinger:
>
>
> Okay, let's put it in a simpler way.
>
> Stop your protocol right before the last message is sent by Bob.
>
> At this point, Alice has nothing more to do to complete the
> protocol.  Bob has the choice between sending his final message
> and completing the protocol (putting in the hands of Alice a
> contract that binds him) or just composing that final message
> and never sending it.

If Bob chooses to go the first way, the protcol completes and the
fiarness definiton applies. If Bob chooses to go the second way,
the protocol never completes and, since the fairness definition
only deals with a completed protocol, it has no chance of being
considered at all.

M. K. Shen