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Prepare and Measure Quantum Digital Signature: Difference between revisions
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Prepare and Measure Quantum Digital Signature (edit)
Revision as of 14:19, 22 October 2018
, 22 October 2018→Properties
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*The protocol assumes authenticated quantum channels between all seller-receiver pairs. | *The protocol assumes authenticated quantum channels between all seller-receiver pairs. | ||
*The protocol assumes authenticated classical channels between all parties. | *The protocol assumes authenticated classical channels between all parties. | ||
*The protocol needs no quantum memory. | |||
*The protocol assumes maximum number of participating parties are honest. In the present case at least two parties are honest. | *The protocol assumes maximum number of participating parties are honest. In the present case at least two parties are honest. | ||
*The protocol provides security against repudiation, i.e. the probability that seller succeeds in making buyer and seller disagree on the validity of her sent quantum signature decays exponentially with L, as stated by the formula <math>P(rep)\le e^{-(s_v-s_a)^2L}</math>. | *The protocol provides security against repudiation, i.e. the probability that seller succeeds in making buyer and seller disagree on the validity of her sent quantum signature decays exponentially with L, as stated by the formula <math>P(rep)\le e^{-(s_v-s_a)^2L}</math>. | ||