Methods and Tools for Secure Quantum Clouds with a specific Case Study on Homomorphic Encryption

• URL: http://arxiv.org/abs/2512.17748v2
• Date: Mon, 22 Dec 2025 07:37:12 GMT
• Title: Methods and Tools for Secure Quantum Clouds with a specific Case Study on Homomorphic Encryption
• Authors: Aurelia Kusumastuti, Nikolay Tcholtchev, Philipp Lämmel, Sebastian Bock, Manfred Hauswirth,
• Abstract summary: The rise of quantum computing/technology potentially introduces significant security challenges to cloud computing.<n>This research explores various options for securing quantum clouds and ensuring privacy.<n>It focuses on the integration of homomorphic encryption (HE) into Eclipse Qrisp, a high-level quantum computing framework.
• Score: 0.21748200848556343
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The rise of quantum computing/technology potentially introduces significant security challenges to cloud computing, necessitating quantum-resistant encryption strategies as well as protection schemes and methods for cloud infrastructures offering quantum computing time and services (i.e. quantum clouds). This research explores various options for securing quantum clouds and ensuring privacy, especially focussing on the integration of homomorphic encryption (HE) into Eclipse Qrisp, a high-level quantum computing framework, to enhance the security of quantum cloud platforms. The study addresses the technical feasibility of integrating HE with Qrisp, evaluates performance trade-offs, and assesses the potential impact on future quantum cloud architectures. The successful implementation and Qrisp integration of three post-quantum cryptographic (PQC) algorithms demonstrates the feasibility of integrating HE with quantum computing frameworks. The findings indicate that while the Quantum One-Time Pad (QOTP) offers simplicity and low overhead, other algorithms like Chen and Gentry-Sahai-Waters (GSW) present performance trade-offs in terms of runtime and memory consumption. The study results in an overall set of recommendations for securing quantum clouds, e.g. implementing HE at data storage and processing levels, developing Quantum Key Distribution (QKD), and enforcing stringent access control and authentication mechanisms as well as participating in PQC standardization efforts.

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