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Gottesman and Chuang Quantum Digital Signature: Difference between revisions
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Gottesman and Chuang Quantum Digital Signature (edit)
Revision as of 15:19, 27 May 2019
, 27 May 2019→Outline
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==Outline== | ==Outline== | ||
Quantum Digital Signature (QDS) protocols can be divided into two stages: the distribution stage, where quantum signals (public keys) are sent to all recipients, and the messaging stage, where classical messages are signed, sent and verified. Here, we take the case of three parties, one sender (referred to as seller) and two receivers (buyer and verifier) sharing a one bit message. | Gottesman and Chuang signature scheme is based on quantum [https://en.wikipedia.org/wiki/One-way_function one way functions], which take classical bit sting as input and give quantum states as output. Quantum Digital Signature (QDS) protocols can be divided into two stages: the distribution stage, where quantum signals (public keys) are sent to all recipients, and the messaging stage, where classical messages are signed, sent and verified. Here, we take the case of three parties, one sender (referred to as seller) and two receivers (buyer and verifier) sharing a one bit message. Distribution phase can be divided into the following steps: | ||
Distribution phase can be divided into the following steps: | |||
*''' Key Distribution:''' | *''' Key Distribution:''' | ||
Similarly, Messaging Phase is divided into the following steps: | Similarly, Messaging Phase is divided into the following steps: | ||