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Feb
26
comment secure multiparty computation for multiplication
this does not work! 'cause first party can simply know $k$ by comparing the result of round 1 and that of round 2.
Feb
24
comment secure multiparty computation for multiplication
'honest but curious' model is just fine to the problem.
Feb
24
comment secure multiparty computation for multiplication
good point!... but that's just fine to my problem. actually, $\sum{b_j}$ is sensitive only when it's big, like equal to 6.