Arbitrated Quantum Digital Signature: Difference between revisions

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## Buyer generates <math> |F\rangle' = |F(t||m||Q||t s)\rangle</math></div>
## Buyer generates <math> |F\rangle' = |F(t||m||Q||t s)\rangle</math></div>
## Buyer receives <math>(ts, |F\rangle)</math> from PKG.
## Buyer receives <math>(ts, |F\rangle)</math> from PKG.
## Buyer performs SWAP test: '''QSWAP'''($|F\rangle,|F\rangle'$)
## Buyer performs SWAP test: '''QSWAP'''(<math>|F\rangle,|F\rangle'</math>)
##If '''QSWAP'''=true, '''then''' w'=w'+1
##If '''QSWAP'''=true, '''then''' w'=w'+1
# If <math>w'>w_0</math> buyer '''accepts'''
# If <math>w'>w_0</math> buyer '''accepts'''
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