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Cloud-ElGamal and Fast Cloud-RSA Homomorphic Schemes for Protecting Data Confidentiality in Cloud Computing

Khalid El Makkaoui, Abderrahim Beni-Hssane, Abdellah Ezzati

Source Title: International Journal of Digital Crime and Forensics (IJDCF)11(3)

ISSN: 1941-6210|EISSN: 1941-6229|EISBN13: 9781522565161|DOI: 10.4018/IJDCF.2019070105

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MLA

El Makkaoui, Khalid, et al. "Cloud-ElGamal and Fast Cloud-RSA Homomorphic Schemes for Protecting Data Confidentiality in Cloud Computing." IJDCF vol.11, no.3 2019: pp.90-102. http://doi.org/10.4018/IJDCF.2019070105

APA

El Makkaoui, K., Beni-Hssane, A., & Ezzati, A. (2019). Cloud-ElGamal and Fast Cloud-RSA Homomorphic Schemes for Protecting Data Confidentiality in Cloud Computing. International Journal of Digital Crime and Forensics (IJDCF), 11(3), 90-102. http://doi.org/10.4018/IJDCF.2019070105

Chicago

El Makkaoui, Khalid, Abderrahim Beni-Hssane, and Abdellah Ezzati. "Cloud-ElGamal and Fast Cloud-RSA Homomorphic Schemes for Protecting Data Confidentiality in Cloud Computing," International Journal of Digital Crime and Forensics (IJDCF) 11, no.3: 90-102. http://doi.org/10.4018/IJDCF.2019070105

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Abstract

Homomorphic encryption (HE) is an encryption form that offers a third-party with the ability to carry out computations on encrypted data. This property can be considered as a great solution to get over some obstacles limiting the wide-spread adoption of cloud computing (CC) services. Since CC environments are threatened by insider/outsider security attacks and since CC consumers often access to CC services using resource-limited devices, the HE schemes need to be promoted at security level and at running time to work effectively. For this reason, at EMENA-TSSL'16 and at WINCOM'16, the authors respectively boosted the RSA and ElGamal cryptosystems at security level, Cloud-RSA and Cloud-ElGamal. At SCAMS'17 and at EUSPN'17, the authors then suggested two fast variants of the Cloud-RSA scheme. All proposed schemes support the multiplicative homomorphism (MH) over the integers. The aim of this article is to compare the Cloud-ElGamal scheme with the Cloud-RSA schemes. This article first briefly presents the HE schemes and analyzes their security. This article then implements the schemes, compare and discuss their efficiency.