Multi-authority attribute-based encryption
Web本文的主要内容基于顶会论文TCC 2007年的文章：Multi-authority Attribute Based Encryption Sahai和Waters描述过一个方案(称为SW)，在这个方案中，发送方指定一个属性集和一个数字d对消息进行加密，这样当至少拥有d个给定属性的接收方才能解密该消息。 WebIn order to realize the sharing of data by multiple users on the blockchain, this paper proposes an attribute-based searchable encryption with verifiable ciphertext scheme via blockchain. The scheme uses the public key algorithm to encrypt the keyword, the attribute-based encryption algorithm to encrypt the symmetric key, and the symmetric …
Multi-authority attribute-based encryption
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Web30 mai 2024 · Thus, we propose a multi-authority attribute-based encryption scheme with dynamic membership from lattices to solve the above problems. Moreover, we also … Web20 nov. 2024 · Mosaic is a library doing Attribute Based Encryption (ABE). It is meant to be used as a example of a cryptographic core to be embedded in any solution willing to …
Web2 mar. 2024 · Considered as a promising fine-grained access control mechanism for data sharing without a centralized trusted third-party, the access policy in a plaintext form may reveal sensitive information in the traditional CP-ABE method. To address this issue, a hidden policy needs to be applied to the CP-ABE scheme, as the identity of a user … WebKeywords: Attribute-Based Encryption, Multi-Authority, Large Universe, Unbounded, q-Type As-sumption, Charm, Implementations 1 Introduction Public key cryptography allows a sender to encrypt data such that it can only be decrypted by the owner of the corresponding secret key. Encrypting in this manner is useful for when the sender
Web4 aug. 2024 · In Multi-authority attribute-based encryption (MA-ABE), various attribute authorities (which may be independent of each other) control different attribute universe. MA-ABE is also involved in the administration of attribute keys for decryption [15]. It provides the necessary platform to undertake the implementation of fine-grained access ... WebIn order to solve the problem in hierarchical attribute based encryption, we proposes a multi-authority hierarchical attribute based encryption scheme. The scheme removes …
Web12 apr. 2024 · Multi-cloud security: Redefining key management with decentralized vault and cloud-based compliance management Protecting encryption keys is critical to the …
Web14 mar. 2024 · Our proposal is based on the use of the multi-authority attribute based encryption scheme proposed by Lewko et al. [29] in 2011 which has been extended to provide security and functional features such as low computation cost, privacy preservation, fine grained access control and data confidentiality. For instance, our scheme introduces … the weeknd can\u0027t feel my face mp3 downloadthe weeknd can\u0027t feel my face meaningWeb7 iul. 2024 · Multi-authority attribute-based encryption (ABE), which can provide flexibility and user-centric access control, is previously widely used in decentralized data sharing applications and also becoming a foundation to build decentralized data trading applications. the weeknd canadaWebThe efficiency of attribute-based encryption is a hindrance in its applications. Data is more reliable and approved because to blockchain technology. In the suggested system a multi-authority attribute based encryption is been implemented. The attribute bloom filter is used in access control and to hide attributes. the weeknd canadianWebEfficient Revocable Multi-Authority Attribute-Based Encryption for Cloud Storage. Abstract: As is known, attribute-based encryption (ABE) is usually adopted for cloud storage, … the weeknd canada tourWeb1 ian. 2015 · We propose an efficient large-universe multi-authority ciphertext - policy attribute-based encryption system. In a large-universe ABE scheme, any string can be … the weeknd canvas paintingWebBased on linear secret sharing and digital signature, a new multi-authority attribute-based encryption scheme is proposed. In our scheme, a signature on a user's identity is embedded in the user's private key. The third party can directly trace the identity of the owner of the private key according to the leaked private key, and can verify the ... the weeknd canadian encyclopedia