Abstract
Quantum mechanics offers new opportunities for diverse information processing tasks in communication and computational networks. In the last two decades, the notion of quantum anonymity has been introduced in several networking tasks that provide an unconditional secrecy of identity for the communicating parties. In this article, we propose a quantum anonymous collision detection (QACD) protocol which detects not only the collision but also guarantees the anonymity in the case of multiple senders. We show that the QACD protocol serves as an important primitive for a quantum anonymous network that features tracelessness and resource efficiency. Furthermore, the security analysis shows that this protocol is robust against the adversary and malicious participants.
Highlights
Quantum information science has enabled outstanding improvement in security for communication [1], cryptography [2], metrology [3] and computation [4]
A quantum anonymous collision detection (QACD) protocol was proposed in [19] that utilizes O( log n + 1) n-partite GHZ qubit states in an n-node network as a resource
2 Quantum anonymous collision detection (QACD) we provide the QACD protocol for any quantum anonymous network where collision is detected anonymously with the help of the server
Summary
Quantum information science has enabled outstanding improvement in security for communication [1], cryptography [2], metrology [3] and computation [4]. A quantum anonymous collision detection (QACD) protocol was proposed in [19] that utilizes O( log n + 1) n-partite GHZ qubit states in an n-node network as a resource. The motivation for our work lies in the securely and resourcefully collision detection for multiple senders among mutually untrustworthy participants. This protocol guarantees the anonymity of the sender and features tracelessness property, i.e., the identity of the sender remains hidden even if the adversary gains access to the encoded state.
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