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AN EFFICIENT QUANTUM KEY DISTRIBUTION BASED HOMOMORPHIC CIPHER TEXT ATTRIBUTE BASED ENCRYPTION ON CLOUD COMPUTING

Lakshmi Naga Divya Tamma, Shaik Shakeel Ahamad

Published Dec 1, 2017• 0 citations
OpenAlex

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The modern computing enterprises rely more on hybrid and -cloud environments, but their reliance on classical cryptography makes the environment vulnerable to quantum threats. The common RSA/ECC are now easily compromised using Shor’s algorithm while Grover’s algorithm reduces the effectiveness of AES security to almost half, making the distributed systems susceptible to potential security attacks. This paper brings out the recent trends in research on multi-cloud security strategies, the impact of quantum algorithms, the deployment framework of post quantum cryptography (PQC), Quantum key Distribution (QKD), simulation toolkits for quantum cloud environment. We proposed a Hybrid Post-Quantum Encryption Framework (HyPQEF), a layered quantum-safe framework by integrating PQC and Fully Homomorphic Encryption (FHE) with Zero-Trust architecture. The proposed work focused on the interoperability of the framework in the distributed cloud environment, performance trade-offs, by offering security hybrid cloud infrastructure against cryptographically relevant quantum threats.

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A quantum scheme for cloud data sharing based on proxy re-encryption is proposed. The user Alice stores the cipher-text of her data on cloud data center. When Alice wants to share her data with another user Bob, Alice is called the delegator and Bob is called the delegatee. The cloud service provider (called the proxy) can convert the delegator's cipher-text into the delegatee's cipher-text without decrypting the former, so that the delegatee can get the plain-text of Alice's data with his private key. The proxy cannot obtain the plain-text of the user's data stored on cloud data center. Delegator in the protocol should have the ability of producing Bell states, performing Bell basis and Z-basis measurements, and storing qubits. The quantum requirements for the delegatee are reduced. The delegatee needs to have the ability of reflecting and performing Z-basis measurement. One secret at a time (one-time one-pad) is theoretically implemented, especially when the same data is shared multiple times. The anti-selection plain-text attack security and the anti-selective cipher-text attack security are realized. Fine-granularity secret data sharing is achieved flexibly.

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The modern computing enterprises rely more on hybrid and -cloud environments, but their reliance on classical cryptography makes the environment vulnerable to quantum threats. The common RSA/ECC are now easily compromised using Shor’s algorithm while Grover’s algorithm reduces the effectiveness of AES security to almost half, making the distributed systems susceptible to potential security attacks. This paper brings out the recent trends in research on multi-cloud security strategies, the impact of quantum algorithms, the deployment framework of post quantum cryptography (PQC), Quantum key Distribution (QKD), simulation toolkits for quantum cloud environment. We proposed a Hybrid Post-Quantum Encryption Framework (HyPQEF), a layered quantum-safe framework by integrating PQC and Fully Homomorphic Encryption (FHE) with Zero-Trust architecture. The proposed work focused on the interoperability of the framework in the distributed cloud environment, performance trade-offs, by offering security hybrid cloud infrastructure against cryptographically relevant quantum threats.
A quantum scheme for cloud data sharing based on proxy re-encryption is proposed. The user Alice stores the cipher-text of her data on cloud data center. When Alice wants to share her data with another user Bob, Alice is called the delegator and Bob is called the delegatee. The cloud service provider (called the proxy) can convert the delegator's cipher-text into the delegatee's cipher-text without decrypting the former, so that the delegatee can get the plain-text of Alice's data with his private key. The proxy cannot obtain the plain-text of the user's data stored on cloud data center. Delegator in the protocol should have the ability of producing Bell states, performing Bell basis and Z-basis measurements, and storing qubits. The quantum requirements for the delegatee are reduced. The delegatee needs to have the ability of reflecting and performing Z-basis measurement. One secret at a time (one-time one-pad) is theoretically implemented, especially when the same data is shared multiple times. The anti-selection plain-text attack security and the anti-selective cipher-text attack security are realized. Fine-granularity secret data sharing is achieved flexibly.