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Since more and more electronic health systems use cloud computing, it is very important to ensure that group data sharing is safe and works well. Identity-based encryption (IBE), Ciphertext-Policy Attribute-Based Encryption (CP-ABE)- and proxy re-speaking are examples of traditional public key cryptographic systems that provide good access and privacy control. In order to do this problem, a light encryption model is designed to use symmetrical key cryptography. This makes mathematics much easier. However, symmetrical encryption is weak because it uses the same key for both encryption and decrypting. If the key is published, it can be interrupted. This work improves symmetrical encryption by adding a key distribution method based on an ex-or key that divides the key into two parts: one is safely held in the cloud and the other is shared among group members. This architecture ensures that no one has the entire decryption key. This makes data more private and reduces the chance of exposing keys. The design makes it easier to regulate the approach, has minimal latency and can grow, so it is good for cloud applications in real time, especially in areas where privacy such as e-Healthcare is important.
Keywords:
Symmetric Encryption, EX-OR Operation, Cloud Security, Key Splitting, E-Health, Access Control, Group Data Sharing, Confidentiality”.
Cite Article:
"Security and Privacy of E-Health Solutions in Cloud", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.10, Issue 8, page no.a475-a479, August-2025, Available :http://www.ijrti.org/papers/IJRTI2508058.pdf
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ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator