SECURE DATA SENSOR SHARING ON UBIQUITOUS ENVIRONMENTAL HEALTH MONITORING APPLICATION

2016 ◽  
Vol 78 (6-3) ◽  
Author(s):  
Samsul Huda ◽  
Nurul Fahmi ◽  
Amang Sudarsono ◽  
M. Udin Harun Al Rasyid
Keyword(s):  
Environmental Health ◽  
Data Center ◽  
Health Data ◽  
End User ◽  
User Privacy ◽  
Gateway Node ◽  
Attribute Based Encryption ◽  
Secure Data ◽  
Ciphertext Policy ◽  
Monitoring Application

In Internet of Things (IoT) era, The limitation storage on Wireless Sensor Network (WSN) can be solved by synchronized data sensors from the gateway node to the data center server. Data in the data center can be remotely accessed by the user at any time and anywhere from end user devices such as PCs, laptop PCs, and smart phones., and data should be accessed securely. The Only legitimated user can access the data sensor from an environmental health data center. CP-ABE (Ciphertext-Policy Attribute-Based Encryption) is becoming a robust cryptographic scheme solution to this issue. To enable a secure data sensor sharing and access on an environmental health data center, we propose a secure system model using CP-ABE which ensures confidentiality, integrity, and user privacy features. Experimental results prove that the implementation of CP-ABE does not overload the system.

scholarly journals Ciphertext-Policy Attribute-Based Encryption for Cloud Storage: Toward Data Privacy and Authentication in AI-Enabled IoT System

Mathematics ◽  
2021 ◽  
Vol 10 (1) ◽  
pp. 68
Author(s):  
P. Chinnasamy ◽  
P. Deepalakshmi ◽  
Ashit Kumar Dutta ◽  
Jinsang You ◽  
Gyanendra Prasad Joshi
Keyword(s):  
Data Privacy ◽  
Partial Information ◽  
User Privacy ◽  
Access Policy ◽  
Insider Attack ◽  
Attribute Based Encryption ◽  
Encryption Schemes ◽  
A New Technique ◽  
Ciphertext Policy ◽  
Cloud Servers

People can store their data on servers in cloud computing and allow public users to access data via data centers. One of the most difficult tasks is to provide security for the access policy of data, which is also needed to be stored at cloud servers. The access structure (policy) itself may reveal partial information about what the ciphertext contains. To provide security for the access policy of data, a number of encryption schemes are available. Among these, CP-ABE (Ciphertext-Policy Attribute-Based Encryption) scheme is very significant because it helps to protect, broadcast, and control the access of information. The access policy that is sent as plaintext in the existing CP-ABE scheme along with a ciphertext may leak user privacy and data privacy. To resolve this problem, we hereby introduce a new technique, which hides the access policy using a hashing algorithm and provides security against insider attack using a signature verification scheme. The proposed system is compared with existing CP-ABE schemes in terms of computation and expressive policies. In addition, we can test the functioning of any access control that could be implemented in the Internet of Things (IoT). Additionally, security against indistinguishable adaptive chosen ciphertext attacks is also analyzed for the proposed work.

scholarly journals Securing E-health Data using Ciphertext-Policy Attribute-Based Encryption with Dynamic User Revocation

2019 ◽  
Vol 8 (3) ◽  
pp. 7244-7250
Keyword(s):  
Access Control ◽  
Service Providers ◽  
Health Data ◽  
Security And Privacy ◽  
Unique Identifier ◽  
Fine Grained ◽  
Attribute Based Encryption ◽  
User Revocation ◽  
Role Based ◽  
Ciphertext Policy

E-health systems hold a massive amount of medical data that is stored and shared across healthcare service providers to deliver health facilities. However, security and privacy worries increase when sharing this data over distributed settings. As a result, Cryptography techniques have been considered to secure e-health data from unauthorized access. The Ciphertext Policy Attribute-Based Encryption (CP-ABE) is commonly utilized in such a setting, which provides role-based and fine-grained access control over encrypted data. The CP-ABE suffers from the problem of user revocation where the entire policy must be changed even when only one user is revoked or removed from the policy. In this paper, we proposed a CP-ABE based access control model to support user revocation efficiently. Specifically, the proposed model associates a unique identifier to each user. This identifier is added to the policy attributes and removed dynamically when the user is added/revoked. A tree structure (PolicyPathTree) is designed specifically for our model. It can facilitate fast access to policy's attributes during the verification process; The model is analyzed using Information Theory Tools. Results show that our model outperforms other notable work in terms of computational overheads.,

scholarly journals Secure Communication and Information Exchange using Authenticated Ciphertext Policy Attribute-Based Encryption in Mobile Ad-hoc Network

2016 ◽  
Vol 4 (1) ◽  
Author(s):  
Samsul Huda ◽  
Amang Sudarsono ◽  
Tri Harsono
Keyword(s):  
Information Exchange ◽  
Secure Communication ◽  
Ad Hoc ◽  
Mobile Ad Hoc Network ◽  
High Mobility ◽  
User Privacy ◽  
Authentication Code ◽  
Privacy Issue ◽  
Attribute Based Encryption ◽  
Ciphertext Policy

MANETs are considered as suitable for commercial applications such as law enforcement, conference meeting, and sharing information in a student classroom and critical services such as military operations, disaster relief, and rescue operations. Meanwhile, in military operation especially in the battlefield in freely medium which naturally needs high mobility and flexibility. Thus, applying MANETs make these networks vulnerable to various types of attacks such aspacket eavesdropping, data disseminating, message replay, message modification, and especially privacy issue. In this paper, we propose a secure communication and information exchange in MANET with considering secure adhoc routing and secure information exchange. Regarding privacy issue or anonymity, we use a reliable asymmetric encryption which protecting user privacy by utilizing insensitive user attributes as user identity, CP-ABE (Ciphertext-Policy Attribute-Based Encryption) cryptographic scheme. We also design protocols to implement the proposed scheme for various battlefied scenarios in real evironment using embedded devices. Our experimental results showed that the additional of HMAC (Keyed-Hash Message Authentication Code) and AES (Advanced Encryption standard) schemes using processor 1.2GHz only take processing time about 4.452 ms,  we can confirm that our approach by using CP-ABE with added HMAC and AES schemes make low overhead.

scholarly journals Medical Health Record Protection Using Ciphertext-Policy Attribute-Based Encryption and Elliptic Curve Digital Signature Algorithm

2019 ◽  
Vol 7 (1) ◽  
pp. 151-175
Author(s):  
Novi Aryani Fitri ◽  
M. Udin Harun Al Rasyid ◽  
Amang Sudarsono
Keyword(s):  
Elliptic Curve ◽  
Digital Signature ◽  
Data Center ◽  
Data Encryption ◽  
Sensitive Data ◽  
Efficient System ◽  
Storage Mechanism ◽  
Digital Signature Algorithm ◽  
Attribute Based Encryption ◽  
Ciphertext Policy

Information on medical record is very sensitive data due to the number of confidential information about a patient's condition. Therefore, a secure and reliable storage mechanism is needed so that the data remains original without any changes during it was stored in the data center. The user must go through an authentication process to ensure that not an attacker and verify to ensure the authenticity and accuracy of the data received. In this research, we proposed a solution to secure medical data using the Ciphertext-Policy Attribute-Based Encryption (CP-ABE) and Elliptic Curve Digital Signature Algorithm (ECDSA) methods. Our system can secure data centers from illegal access because the uploaded data has patient control over access rights based on attributes that have been embedded during the data encryption process. Encrypted data was added to the digital signature to pass the authentication process before being sent to the data center. The results of our experiments serve efficient system security and secure with low overhead. We compare the proposed system performance with the same CP-ABE method but don’t add user revocation to this system and for our computing times are shorter than the previous time for 0.06 seconds and 0.1 seconds to verify the signature. The total time in the system that we propose requires 0.6 seconds.

scholarly journals Secure Data Sharing Platform for Portable Social Networks with Power Saving Operation

2021 ◽  
Vol 3 (3) ◽  
pp. 250-262
Author(s):  
Jennifer S. Raj
Keyword(s):  
Social Networks ◽  
Access Control ◽  
Privacy Preservation ◽  
Keyword Search ◽  
Power Saving ◽  
Privacy Preserving ◽  
Mobile Social Networks ◽  
User Privacy ◽  
Attribute Based Encryption ◽  
Ciphertext Policy

Several subscribing and content sharing services are largely personalized with the growing use of mobile social media technology. The end user privacy in terms of social relationships, interests and identities as well as shared content confidentiality are some of the privacy concerns in such services. The content is provided with fine-grained access control with the help of attribute-based encryption (ABE) in existing work. Decryption of privacy preserving content suffers high consumption of energy and data leakage to unauthorized people is faced when mobile social networks share privacy preserving data. In the mobile social networks, a secure proxy decryption model with enhanced publishing and subscribing scheme is presented in this paper as a solution to the aforementioned issues. The user credentials and data confidentiality are protected by access control techniques that work on privacy preserving in a self-contained manner. Keyword search based public-key encryption with ciphertext policy attribute-based encryption is used in this model. At the end users, ciphertext decryption is performed to reduce the energy consumption by the secure proxy decryption scheme. The effectiveness and efficiency of the privacy preservation model is observed from the experimental results.

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