Volume 03 Issue 07-2023
55
International Journal of Advance Scientific Research
(ISSN
–
2750-1396)
VOLUME
03
ISSUE
07
Pages:
55-59
SJIF
I
MPACT
FACTOR
(2021:
5.478
)
(2022:
5.636
)
(2023:
6.741
)
OCLC
–
1368736135
A
BSTRACT
Secure data sharing in the cloud is a critical concern to ensure the confidentiality and integrity of sensitive
information stored in cloud environments. Key Aggregate Cryptosystem (KAC) is an emerging
cryptographic technique that enables efficient and secure data sharing among multiple users in the cloud.
This study focuses on the application of KAC for secure data sharing in cloud environments. The proposed
approach utilizes a hierarchical key management scheme to generate and distribute encryption keys,
allowing authorized users to access and decrypt shared data. The KAC framework ensures fine-grained
access control and reduces the computational overhead associated with traditional encryption schemes.
The study evaluates the security and performance aspects of the proposed approach through simulation
and analysis, demonstrating its effectiveness in secure data sharing in the cloud.
K
EYWORDS
Secure data sharing, cloud computing, key aggregate cryptosystem, encryption, access control,
confidentiality, integrity, hierarchical key management, fine-grained access control, computational
overhead, security, performance.
I
NTRODUCTION
Journal
Website:
http://sciencebring.co
m/index.php/ijasr
Copyright:
Original
content from this work
may be used under the
terms of the creative
commons
attributes
4.0 licence.
Research Article
SECURE DATA SHARING IN CLOUD USING KEY AGGREGATE
CRYPTOSYSTEM
Submission Date:
July 07, 2023,
Accepted Date:
July 12, 2023,
Published Date:
July 17, 2023
Crossref doi:
https://doi.org/10.37547/ijasr-03-07-10
Chetan Deelip Lomte
Student, Computer Science & Engineering, Everest College of Engineering & Technology, Aurangabad, India
Volume 03 Issue 07-2023
56
International Journal of Advance Scientific Research
(ISSN
–
2750-1396)
VOLUME
03
ISSUE
07
Pages:
55-59
SJIF
I
MPACT
FACTOR
(2021:
5.478
)
(2022:
5.636
)
(2023:
6.741
)
OCLC
–
1368736135
With the increasing adoption of cloud computing,
secure data sharing has become a crucial
requirement to protect sensitive information
stored in cloud environments. Traditional
encryption schemes may not be efficient or
scalable for large-scale data sharing scenarios.
Key Aggregate Cryptosystem (KAC) has emerged
as a promising cryptographic technique that
enables secure and efficient data sharing among
multiple users in the cloud. This study focuses on
the application of KAC for secure data sharing in
cloud environments, addressing the challenges
associated with confidentiality, integrity, and
access control.
The key objective of this study is to propose a
secure data sharing approach using the Key
Aggregate
Cryptosystem,
leveraging
its
advantages such as fine-grained access control
and reduced computational overhead. The
proposed approach utilizes a hierarchical key
management scheme to generate and distribute
encryption keys, allowing authorized users to
access and decrypt shared data. By employing the
KAC framework, the study aims to provide a
secure and efficient solution for data sharing in
cloud environments, mitigating the risks
associated with unauthorized access and data
breaches.
M
ETHOD
The study employs a systematic research
methodology to investigate and evaluate the
secure data sharing approach using the Key
Aggregate Cryptosystem. The methodology
encompasses the following steps:
Literature Review: A comprehensive review of
existing literature is conducted to gather insights
into cloud computing, data sharing challenges,
encryption techniques, and key aggregate
cryptosystem approaches. This step establishes
the foundation for the proposed research.
Problem Identification and Formulation: The
specific challenges and requirements for secure
data sharing in cloud environments are identified
and formulated. This includes considerations
such as confidentiality, integrity, access control,
and computational overhead.
Design and Implementation of the Proposed
Approach: Based on the identified challenges and
requirements, a secure data sharing approach
using the Key Aggregate Cryptosystem is
designed. This involves the development of a
hierarchical key management scheme, encryption
algorithms, and access control mechanisms. The
approach aims to ensure fine-grained access
control
while
minimizing
computational
overhead.
Simulation and Analysis: The proposed approach
is implemented and evaluated through
simulations and analyses. The performance
metrics such as encryption/decryption time, key
generation and distribution time, and storage
overhead are measured and compared with
existing encryption schemes. The security
aspects, including confidentiality and integrity of
shared data, are also assessed.
Volume 03 Issue 07-2023
57
International Journal of Advance Scientific Research
(ISSN
–
2750-1396)
VOLUME
03
ISSUE
07
Pages:
55-59
SJIF
I
MPACT
FACTOR
(2021:
5.478
)
(2022:
5.636
)
(2023:
6.741
)
OCLC
–
1368736135
Evaluation and Discussion: The results obtained
from the simulation and analysis are evaluated
and discussed in the context of secure data
sharing in cloud environments. The advantages,
limitations, and potential areas for improvement
of the proposed approach are identified and
addressed.
Conclusion and Future Work: The study
concludes by summarizing the findings and
contributions of the proposed approach. Future
research directions and potential enhancements
are suggested to further improve the secure data
sharing in cloud using the Key Aggregate
Cryptosystem.
By following this research methodology, the
study aims to provide a comprehensive
understanding of the secure data sharing
approach using the Key Aggregate Cryptosystem
and its effectiveness in addressing the challenges
of confidentiality, integrity, and access control in
cloud environments.
R
ESULTS
The proposed secure data sharing approach using
the Key Aggregate Cryptosystem (KAC) was
implemented and evaluated. Through simulations
and analyses, the performance and security
aspects of the approach were assessed.
The results showed that the KAC-based approach
provided efficient and fine-grained access control
for secure data sharing in cloud environments.
The encryption and decryption processes
demonstrated faster execution times compared to
traditional encryption schemes. The hierarchical
key management scheme allowed for the
generation and distribution of encryption keys in
a scalable manner, enabling authorized users to
access and decrypt shared data. The approach
effectively addressed the challenges of
confidentiality, integrity, and access control in
data sharing scenarios.
D
ISCUSSION
The results highlight the advantages of using the
Key Aggregate Cryptosystem for secure data
sharing in cloud environments. The fine-grained
access control provided by the approach ensures
that only authorized users can access specific
data, enhancing data privacy and security. The
reduced computational overhead compared to
traditional encryption schemes contributes to
efficient data sharing, particularly in large-scale
scenarios.
The hierarchical key management scheme
enables the generation and distribution of
encryption keys in a hierarchical manner,
reducing the key management complexity and
ensuring efficient access control. The approach
offers flexibility in defining access policies and
managing user privileges, further enhancing the
security and control of shared data.
The discussion also considers the limitations of
the proposed approach. While the KAC-based
approach offers advantages in terms of access
control and computational efficiency, it may
require additional computational resources for
key generation and management. Additionally,
Volume 03 Issue 07-2023
58
International Journal of Advance Scientific Research
(ISSN
–
2750-1396)
VOLUME
03
ISSUE
07
Pages:
55-59
SJIF
I
MPACT
FACTOR
(2021:
5.478
)
(2022:
5.636
)
(2023:
6.741
)
OCLC
–
1368736135
the approach assumes a trusted cloud
environment where the cloud service provider
implements appropriate security measures.
C
ONCLUSION
In conclusion, the proposed secure data sharing
approach using the Key Aggregate Cryptosystem
demonstrates its effectiveness in addressing the
challenges of confidentiality, integrity, and access
control in cloud environments. The approach
offers fine-grained access control, reduced
computational overhead, and efficient encryption
and decryption processes.
By leveraging the advantages of the Key
Aggregate Cryptosystem, the proposed approach
provides a secure and efficient solution for data
sharing in cloud environments. It offers flexibility
in access control policies and enables scalable key
management. The findings of this study
contribute to the understanding of secure data
sharing techniques in cloud computing and
highlight the potential of the Key Aggregate
Cryptosystem in addressing data security
challenges.
Future work may focus on further optimizing the
performance of the approach, considering
scalability for larger datasets and investigating
additional security measures to enhance the
overall security of the system. Continued research
and development in this area will contribute to
the advancement of secure data sharing practices
in
cloud
environments,
ensuring
the
confidentiality and integrity of shared data.
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(ISSN
–
2750-1396)
VOLUME
03
ISSUE
07
Pages:
55-59
SJIF
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