Quantum Cryptography and Cloud Computing Security With Re-encryption Scheme

S. Rajendirakumar

The paper proposes a new data encryption scheme for cloud computing that uses quantum cryptography to improve security. The titles are also different in terms of their length, tone, and focus. For example, the title "Quantum-enhanced AES for Cloud Computing Security" is the most concise and straightforward title, while the title "A Novel Quantum-secure Data Encryption Scheme for Cloud Computing" is more descriptive and informative. The title "Quantum-safe Data Protection in Cloud Computing" is more concise and to the point, while the title "Securing Cloud Data with Quantum AES" is more focused on the specific encryption scheme that is proposed. Ultimately, the best title for the paper will depend on the specific goals of the author and the intended audience. If the author is primarily interested in communicating the technical details of the proposed scheme, then a more concise and informative title would be appropriate. If the author is more interested in communicating the general benefits of quantum cryptography for cloud computing, then a more descriptive and engaging title would be better.

Omer K. Jasim Mohammad, Safia Abbas

Geeta Sharma, Sheetal Kalra

Bharati Mishra, Debasish Jena

Cloud Storage Service(CSS) provides unbounded, robust file storage capability and facilitates for pay-per-use and collaborative work to end users. But due to security issues like lack of confidentiality, malicious insiders, it has not gained wide spread acceptance to store sensitive information. Researchers have proposed proxy re-encryption schemes for secure data sharing through cloud. Due to advancement of computing technologies and advent of quantum computing algorithms, security of existing schemes can be compromised within seconds. Hence there is a need for designing security schemes which can be quantum computing resistant. In this paper, a secure file sharing scheme through cloud storage using proxy re-encryption technique has been proposed. The proposed scheme is proven to be chosen ciphertext secure(CCA) under hardness of ring-LWE, Search problem using random oracle model. The proposed scheme outperforms the existing CCA secure schemes in-terms of re-encryption time and decryption time for encrypted files which results in an efficient file sharing scheme through cloud storage.

Muhammad Nauman Khan, Asha Rao, Seyit Ahmet Camtepe +1 more

The recent expansion of the Internet of things (IoT) and its applications continues to dramatically change the IT services supporting manufacturing, energy management, intelligent transportation, smart cities, etc. These IT services often interconnect Internet-based Cloud systems with IoT or intelligent smart devices held by organisations. As IoT devices are resource-limited, the security of their communication is provided by lightweight cryptography that could consequently lead to the devices being insecure against a quantum adversary. On the other hand, Internet Cloud systems are resource-rich and could easily support post-quantum cryptography. This paper presents a proxy re-encryption scheme that translates ciphertexts of a classical lightweight encryption algorithm into their post quantum equivalent and vice versa. More precisely, we propose a lattice-based ABE-IBE (L ABE-IBE) proxy re-encryption scheme that transforms a classical lightweight ciphertext into a lattice based ciphertext. We compare our proposed L ABE-IBE proxy re-encryption scheme with classical proxy re-encryption (ABEIBE) schemes. We discuss the security and efficiency of our construction.

Sreejyothsna Ankam, Dr.N. Sudhakar Reddy