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Quantum Cheque: Difference between revisions
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→Assumptions
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* The protocol assumes the account holder and the bank, to be honest. The bank is a trusted party, however, the branches may or may not be trusted. | * The protocol assumes the account holder and the bank, to be honest. The bank is a trusted party, however, the branches may or may not be trusted. | ||
* This protocol assumes perfect state preparations, transmissions, and measurements. | * This protocol assumes perfect state preparations, transmissions, and measurements. | ||
* The protocol takes the assumption that the | * The protocol takes the assumption that the Digital Signature and the Quantum key distribution schemes are unconditionally secure. | ||
* The digital signature scheme must satisfy the following security conditions of unforgeability and non-repudiation | * The digital signature scheme is a black box where any unconditionally secure digital signature scheme can be used which must satisfy the following security conditions of unforgeability and non-repudiation. [[Quantum Digital Signature]] is one of the examples of a digital signature scheme which can be used. | ||
==Outline== | ==Outline== | ||