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Polynomial Code based Quantum Authentication (edit)
Revision as of 02:51, 18 June 2019
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(Created page with "The [https://arxiv.org/pdf/quant-ph/0205128.pdf example protocol] provides a non-interactive scheme for the sender to encrypt as well as Authentication of Quantum Messages|a...") |
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The [https://arxiv.org/pdf/quant-ph/0205128.pdf example protocol] provides a non-interactive scheme for the sender to encrypt as well as [[Authentication of Quantum Messages|authenticate]] quantum messages. It was the first protocol designed to achieve the task of authentication for quantum states. | The [https://arxiv.org/pdf/quant-ph/0205128.pdf example protocol] provides a non-interactive scheme for the sender to encrypt as well as [[Authentication of Quantum Messages|authenticate]] quantum messages. It was the first protocol designed to achieve the task of authentication for quantum states, i.e. it gives the guarantee that the message sent by a party (sender) over a communication line is received by a party on the other end (receiver) as it is and, has not been tampered with or modified by the dishonest party (eavesdropper). | ||
==Assumptions== | ==Assumptions== | ||
*The sender and the receiver share a classical key drawn from a probability distribution. | *The sender and the receiver share a private (known to only the two of them), classical random key drawn from a probability distribution. | ||
==Outline== | ==Outline== | ||
==Notations== | ==Notations== | ||
*<math>s</math>: security parameter | |||
*<math>m</math>: number of qubits in the message. | |||
==Properties== | ==Properties== | ||
*For an <math>m</math> qubit message, the protocol requires <math>m+s</math> qubits encoded state, and a private key of <math>2m+O(s)</math>. | |||
==Pseudo Code== | ==Pseudo Code== | ||
==Further Information== | ==Further Information== | ||
==References== | ==References== | ||
<div style='text-align: right;'>''contributed by Shraddha Singh''</div> | <div style='text-align: right;'>''contributed by Shraddha Singh''</div> | ||