A Modified Elliptic Curve Digital Signature Algorithm for Public Verifiability With Data Dynamics in Cloud Computing

Sumathi, D.; Pujeri, Ramachandra V.

doi:10.3844/jcssp.2014.2077.2087

Cited by 2 publications

(1 citation statement)

References 21 publications

(35 reference statements)

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“…Some researchers have proposed Elliptical Curve Cryptography (ECC) based Homomorphic Authenticators [6,7] for public auditing of cloud data storage.…”

Section: Verify_proof (µ R)mentioning

confidence: 99%

A Comprehensive Survey on Public Auditing for Secure Cloud Storage

Chaudhari¹,

Pathuri²

2018

IJET

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Cloud computing is the most popular paradigms used today by Industries & individual users to store data. This outsourcing releases user from capital as well as maintenance cost to own their data. But it brings new security challenges such as data integrity & privacy since user has no power of control on his own data. Advances in encryption & authentication techniques has improved security of data at cloud server(CS) but still it is not providing any certificate or assurance about cloud data to user. Most of the times users are not aware of the different controls employed by CS to protect integrity of data. Due to this lack of transparency in system, the user may lose trust on CS. Hence it is a need of user to check integrity of his data at regular intervals. Most of the researchers have given solutions to this problem with the help of cryptography techniques. External parties such as Third-Party Auditors (TPA) are performing audit to verify this remote data on behalf of user. This paper surveys different cryptography mechanisms proposed by different researchers to check integrity of remote data. Finally, we address future research challenges that need to be resolved by researchers to make system more transparent.

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“…Some researchers have proposed Elliptical Curve Cryptography (ECC) based Homomorphic Authenticators [6,7] for public auditing of cloud data storage.…”

Section: Verify_proof (µ R)mentioning

confidence: 99%

A Comprehensive Survey on Public Auditing for Secure Cloud Storage

Chaudhari¹,

Pathuri²

2018

IJET

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Towards Lightweight Provable Data Possession for Cloud Storage Using Indistinguishability Obfuscation

Chaudhari

Swain

2022

IEEE Access

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Cloud Computing has proved to be a boon for many individuals and organizations who cannot afford infrastructure and maintenance cost of resources. But the untrusted nature of Cloud Server (CS) brings many challenges related to security and trust. Public auditing is one process that enables users to delegate the integrity verification of outsourced data to external party such as Third-Party Auditor (TPA). Provable Data Possession (PDP) is one approach of auditing that can verify the integrity using cryptographic algorithms. Many PDP schemes are based on bilinear pairing and homomorphic authenticators that involves complex computations that leads to increased verification time. The lightweight auditing processes is a need today using modern cryptographic techniques. Indistinguishability Obfuscation (IO) is one of the modern but weaker primitive that, if used with one-way functions, provide multiple cryptographic constructs. Sahai and Waters proposed construction of cryptographic constructs using IO. Zhang et al. proposed lightweight public auditing scheme using these IO. But still there are many goals to achieve such as group support, collusion handling, privacy-preserving etc. using IO. In this paper, we are trying to explore these issues and lists future research directions in this field. INDEX TERMSPublic Auditing, Provable Data Possession, Homomorphic verifiable Tags, Indistinguishability Obfuscation. I. INTRODUCTION Evolution in the field of computer technology and Internetbased services open up the era of Cloud Computing. Highspeed processors with improved service computing architecture led to the development of large data centers.Flexible and increased network bandwidth enables a client to access or subscribe to data and services from remote data centers. This improved computing architecture helps many organizations or individuals to expand their businesses without any investment in infrastructure and maintenance costs. This paradigm mainly provides services in computing and storage. Multiple computing resources are easily assigned and released to cloud users based on their needs. Cloud datastore is one of the widely used services among cloud users. Cloud users can easily store and share information on cloud storage. Although it provides a promising platform, this paradigm has brought many security and performance issues with it. The main concern is that of integrity verification of outsourced data at remote

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A Modified Elliptic Curve Digital Signature Algorithm for Public Verifiability With Data Dynamics in Cloud Computing

Cited by 2 publications

References 21 publications

A Comprehensive Survey on Public Auditing for Secure Cloud Storage

A Comprehensive Survey on Public Auditing for Secure Cloud Storage

Towards Lightweight Provable Data Possession for Cloud Storage Using Indistinguishability Obfuscation

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