Decentralized access control with anonymous authentication of data stored in clouds

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Decentralized access control with anonymous authentication of data stored in clouds IEEE PROJECTS 2014 ----------------------------------- Contact:+91-9994232214 :+91-8144199666 Email:ieeeprojectchennai@gmail.com http://www.projectsieee.com Support: ------------- Projects Code Documentation PPT Projects Video File Projects Explaintion Teamviewer Suppport

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Decentralized Access Control with
Anonymous Authentication of Data Stored in
Clouds
We propose a new decentralized access control scheme for secure data storage in clouds that supports
anonymous authentication. In the proposed scheme, the cloud verifies the authenticity of the series
without knowing the user's identity before storing data. Our scheme also has the added feature of
access control in which only valid users are able to decrypt the stored information. The scheme prevents
replay attacks and supports creation, modification, and reading data stored in the cloud. We also
address user revocation. Moreover, our authentication and access control scheme is decentralized and
robust, unlike other access control schemes designed for clouds which are centralized. The
communication, computation, and storage overheads are comparable to centralized approaches.

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Mona secure multi owner data sharing for dynamic groups in the cloud

JPINFOTECH JAYAPRAKASH

This document summarizes the "Mona: Secure Multi-Owner Data Sharing for Dynamic Groups in the Cloud" paper. It proposes a scheme called Mona that allows any user in a dynamic group to anonymously share data on the cloud. Mona uses group signatures and dynamic broadcast encryption so encryption costs are independent of revoked users. It provides anonymous yet traceable access control and efficient user revocation without updating keys.

secure multi-owner data sharing for dynamic groups

Suchithra Balan

The document presents a secure data sharing scheme for dynamic groups in cloud computing. The scheme leverages group signature and dynamic broadcast encryption techniques to allow cloud users to anonymously share data with others in a group while preserving identity privacy from an untrusted cloud. It aims to securely support data sharing in dynamic groups where attributes are not fixed and multiple owners are possible. The scheme's storage overhead and encryption costs are independent of the number of revoked users.

Decentralized access control with anonymous authentication of data stored in ...

LeMeniz Infotech

Decentralized access control with anonymous authentication of data stored in clouds A new decentralized access control scheme is proposed for secure data storage in clouds that supports anonymous authentication. In the proposed scheme, the cloud verifies the authenticity of the series without knowing the user’s identity before storing data. Access control is enabled, in which only valid users are able to decrypt the stored information.

The document proposes a decentralized access control scheme for secure data storage in clouds that supports anonymous authentication. The scheme allows clouds to verify the authenticity of users without knowing their identity before storing data. It also enables access control so that only valid users can decrypt stored information. The scheme prevents replay attacks and supports creation, modification, and reading of stored data. It further addresses user revocation and uses a decentralized approach for key distribution, unlike other centralized access control schemes for clouds.

Decentralized access control with anonymous authentication of data stored in ...

LeMeniz Infotech

This document discusses a proposed decentralized access control system for securely storing data in clouds that supports anonymous authentication. The system allows clouds to verify the authenticity of users without knowing their identities, and only allows valid users to decrypt stored data. It prevents replay attacks and supports data creation, modification, and reading while addressing user revocation. The proposed approach is decentralized and robust unlike prior centralized access control systems for clouds.

Mona final review

sudheer kumar

The document proposes a secure multi-owner data sharing scheme called Mona for dynamic groups in the cloud. Mona leverages group signature and dynamic broadcast encryption techniques to allow any cloud user to anonymously share data with others. It supports efficient dynamic groups where new users can access previously shared data without contacting owners. Mona provides secure access control and privacy preservation for group members while storing data on untrusted cloud storage. It aims to address limitations of existing schemes regarding user participation, revocation, and single data owner restrictions.

A secure-anti-collusion-data-sharing-scheme-for-dynamic-groups-in-the-cloud

Pvrtechnologies Nellore

This document proposes a secure data sharing scheme for dynamic groups in the cloud. It allows group members to securely access and share data files stored in the cloud. The scheme provides secure key distribution without requiring secure communication channels. It also enables fine-grained access control and prevents collusion attacks between revoked users and the cloud. When users join or leave the group, other users do not need to update their private keys. The scheme aims to address limitations of existing approaches that require updating file-block keys for revocations and have overhead linearly increasing with member/revocation changes.

Mona secure multi owner data sharing for dynamic groups in the cloud-ppt

Krushna Panda

How can cas bs help

CipherCloud

CipherCloud, the pioneer in cloud information security, empowers organizations to receive the cloud while guaranteeing information assurance, consistence, and control. CipherCloud conveys a far reaching multi-cloud security stage that coordinates propelled information assurance, versatile strategy controls, observing, cloud hazard investigation. The biggest budgetary administrations, protection, social insurance, media transmission and government associations crosswise over in excess of 25 nations have put their trust in CipherCloud.

Shared aythority ppt design [autosaved]

Raj Kumar

The document proposes a shared authority based privacy-preserving authentication protocol (SAPA) for cloud data storage. SAPA allows for authentication and authorization without compromising a user's private information. It addresses privacy issues during data sharing in cloud storage by implementing an anonymous access request matching mechanism and applying attribute-based access control with proxy re-encryption for temporary authorized data sharing between users. The proposed system provides advantages over existing systems by allowing data owners to control access and sharing privileges while preserving user privacy during authentication and authorization.

SMONA: Secure Multi Owner Data Sharing for Dynamic Groups in the Cloud

ijsrd.com

The data is stored in the cloud. Storing data should be risky. Cloud provider should be trustful because the data is confidentential. The Group manager keeps the record of group members. The key distribution is done to the group of each department. The Group members can access the stored data from cloud. The encryption-decryption technique is used to store the data. Any cloud user can anonymously share data with others by providing group signature and dynamic broadcast encryption techniques. When new member joined in the group, new granted users can directly decrypt data files uploaded without contacting with data owners. Proposing a new model for Sharing Secure Data in the Cloud for the Multiuser Group.

Secure Data Group Sharing and Conditional Dissemination with Multi-Owner in C...

JAYAPRAKASH JPINFOTECH

This document proposes a scheme for secure data sharing and conditional dissemination with multiple owners in cloud computing. The scheme allows data owners to share private data with groups via the cloud, and for data disseminators to share that data with new groups if access policies are met. It also presents a multiparty access control mechanism where co-owners can add new access policies due to privacy preferences, and provides strategies to resolve conflicts from different policies.

SHARED AUTHORITY BASED PRIVACY-PRESERVING AUTHENTICATION PROTOCOL IN CLOUD CO...

I3E Technologies

Mona secure multi owner data sharing for dynamic groups in the cloud

Avinash K S

1) The document proposes a secure multi-owner data sharing scheme called Mona for dynamic groups in the cloud. Mona allows any user in a group to anonymously share data with others using techniques like group signatures and dynamic broadcast encryption. 2) Mona supports efficient membership changes without updating secret keys. New users can decrypt pre-existing files and revoking users does not require updating keys of remaining users. 3) Mona provides privacy-preserving access control where users can anonymously access cloud resources while allowing identity tracing by the group manager when needed. It aims to achieve secure and flexible data sharing for dynamic groups in the cloud.

Secure data sharing for dynamic groups in multi-owner using cloud

Sagar Dhanake

This document summarizes a seminar presentation on secure data sharing for dynamic groups in multi-owner cloud environments. The presentation covered cloud computing fundamentals and challenges with identity privacy. It proposed a system called MONA that allows any group member to securely store and share encrypted data files on an untrusted cloud. Key features of MONA include dynamic group management such that new users can access previous data, anonymous yet traceable access control, and efficient user revocation. The presentation discussed the system architecture, models, modules including registration, login and file sharing, relevant algorithms, applications, advantages, and future work concerning reliability.

A Secure Multi-Owner Data Sharing Scheme for Dynamic Group in Public Cloud.

IJCERT JOURNAL

In cloud computing outsourcing group resource among cloud users is a major challenge, so cloud computing provides a low-cost and well-organized solution. Due to frequent change of membership, sharing data in a multi-owner manner to an untrusted cloud is still its challenging issue. In this paper we proposed a secure multi-owner data sharing scheme for dynamic group in public cloud. By providing AES encryption with convergent key while uploading the data, any cloud user can securely share data with others. Meanwhile, the storage overhead and encryption computation cost of the scheme are independent with the number of revoked users. In addition, I analyze the security of this scheme with rigorous proofs. One-Time Password is one of the easiest and most popular forms of authentication that can be used for securing access to accounts. One-Time Passwords are often referred to as secure and stronger forms of authentication in multi-owner manner. Extensive security and performance analysis shows that our proposed scheme is highly efficient and satisfies the security requirements for public cloud based secure group sharing.

Mona secure multi owner data sharing for dynamic groups in the cloud

Krushna Panda

Any user in a dynamic group can anonymously share data on the cloud using Mona, a secure multi-owner data sharing scheme. Mona leverages group signatures and dynamic broadcast encryption so that the storage overhead and encryption costs are independent of the number of revoked users. It allows efficient user revocation without updating others' secret keys and new users can access previously shared data. Mona provides anonymity, access control, and traces misbehavior. It achieves efficient and secure data sharing for dynamic groups on an untrusted cloud.

A secure anti collusion data sharing scheme for dynamic groups in the cloud

Kamal Spring

Benefited from cloud computing, users can achieve an effective and economical approach for data sharing among group members in the cloud with the characters of low maintenance and little management cost. Meanwhile, we must provide security guarantees for the sharing data files since they are outsourced. Unfortunately, because of the frequent change of the membership, sharing data while providing privacy-preserving is still a challenging issue, especially for an untrusted cloud due to the collusion attack. Moreover, for existing schemes, the security of key distribution is based on the secure communication channel, however, to have such channel is a strong assumption and is difficult for practice. In this paper, we propose a secure data sharing scheme for dynamic members. Firstly, we propose a secure way for key distribution without any secure communication channels, and the users can securely obtain their private keys from group manager. Secondly, our scheme can achieve fine-grained access control, any user in the group can use the source in the cloud and revoked users cannot access the cloud again after they are revoked. Thirdly, we can protect the scheme from collusion attack, which means that revoked users cannot get the original data file even if they conspire with the untrusted cloud. In our approach, by leveraging polynomial function, we can achieve a secure user revocation scheme. Finally, our scheme can achieve fine efficiency, which means previous users need not to update their private keys for the situation either a new user joins in the group or a user is revoked from the group.

Mona secure multi owner data sharing for dynamic groups in the cloud

JPINFOTECH JAYAPRAKASH

The document proposes a secure multi-owner data sharing scheme called Mona for dynamic groups in the cloud. Mona allows any user in a group to anonymously share data with others in the cloud using group signatures and dynamic broadcast encryption. It aims to address challenges with existing schemes that have complexities increasing linearly with the number of owners and revoked users. The proposed Mona scheme achieves independent storage overhead and encryption costs from the number of revoked users and supports dynamic groups where new users can access previous files without owners.

Shared authority based privacy preserving authentication protocol in cloud co...

Papitha Velumani

The Recent Trend: Vigorous unidentified validation access control system with...

IJERA Editor

Service Providers can grow their business by selling our cloud authentication service that can be fully branded to the Service Provider or if required a Service. The proposed enhanced decentralized access control scheme for secure data storage in clouds that supports anonymous authentication. In the proposed scheme, the cloud verifies the authenticity of the series without knowing the user’s identity before storing data. The scheme also has the added feature of access control in which only valid users are able to decrypt the stored information. The scheme prevents replay attacks and supports creation, modification, and reading data stored in the cloud. It addresses user revocation. Moreover, our authentication and access control scheme is decentralized and robust, unlike other access control schemes designed for clouds which are centralized. The communication, hiding attributes, increasing high security in access, computation, and storage overheads are comparable to centralized approaches. In Existing, it is based on ABE (attribute based encryption) technique which is a centralized approach, where a single Key Distribution Centre (KDC) distributes secret keys and attributes to all users using asymmetric key approach. We propose a new decentralized access control method for storing data by providing security in clouds and also we hide the attributes and access rule of a user. The cloud validates the authentication of the sequence without knowing the users characteristics previous to the data store. By using this approach only certified users have right to use the suitable attributes. In future, time based file revocation scheme can be used to assure the deletion of a file. When time limit of a file expires, we implement the policy based renewal of time to that file.

A Privacy Preserving Attribute Based Access Control Mechanism In Distributed ...

Editor IJCATR

We propose a new decentralized access control scheme for secure data storage in clouds that supports anonymous authentication. In the proposed scheme, the cloud verifies the authenticity of the series without knowing the user’s identity before storing data. Our scheme also has the added feature of access control in which only valid users are able to decrypt the stored information. The scheme prevents replay attacks and supports creation, modification, and reading data stored in the cloud. We also address user revocation. Moreover, our authentication and access control scheme is decentralized and robust, unlike other access control schemes designed for clouds which are centralized. The communication, computation, and storage overheads are comparable to centralized approaches.

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