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Shakas Technologies
Shakas Technologies

Comments on secure data sharing in cloud computing using revocable storage identity-based encryption

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2020 – 2021 #13/ 19, 1st Floor, Municipal Colony, Kangayanellore Road, Gandhi Nagar, Vellore – 6. Off: 0416-2247353 Mo: +91 9500218218 / +91 8220150373 Website: www.shakastech.com, Email - id: shakastech@gmail.com, info@shakastech.com Comments on "Secure Data Sharing in Cloud Computing Using Revocable- Storage Identity-Based Encryption" Abstract Cloud computing can provide a flexible way to effectively share data among multiple users since it can overcome the time and location constraints of computing resource usage. However, the users of cloud computing are still reluctant to share sensitive data to a cloud server since the cloud server should be treated as an untrusted entity. In order to support secure and efficient data sharing in cloud computing environment, Wei et al. recently extended the concept of identity-based encryption (IBE) to support key revocation and ciphertext update functionalities, and proposed a revocable-storage identity-based encryption (RS-IBE) scheme. In this paper, we show that the RS-IBE scheme of Wei et al. does not satisfy the correctness property of RS-IBE. We also propose a method to modify the existing RS-IBE scheme.

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Comments on secure data sharing in cloud computing using revocable storage identity-based encryption

  • 1. 2020 – 2021 #13/ 19, 1st Floor, Municipal Colony, Kangayanellore Road, Gandhi Nagar, Vellore – 6. Off: 0416-2247353 Mo: +91 9500218218 / +91 8220150373 Website: www.shakastech.com, Email - id: shakastech@gmail.com, info@shakastech.com Comments on "Secure Data Sharing in Cloud Computing Using Revocable- Storage Identity-Based Encryption" Abstract Cloud computing can provide a flexible way to effectively share data among multiple users since it can overcome the time and location constraints of computing resource usage. However, the users of cloud computing are still reluctant to share sensitive data to a cloud server since the cloud server should be treated as an untrusted entity. In order to support secure and efficient data sharing in cloud computing environment, Wei et al. recently extended the concept of identity-based encryption (IBE) to support key revocation and ciphertext update functionalities, and proposed a revocable-storage identity-based encryption (RS-IBE) scheme. In this paper, we show that the RS-IBE scheme of Wei et al. does not satisfy the correctness property of RS-IBE. We also propose a method to modify the existing RS-IBE scheme.