搜索结果: 1-10 共查到“密码学 Ciphertext-Policy Attribute-Based Encryption”相关记录10条 . 查询时间(0.16 秒)
Time-Based Direct Revocable Ciphertext-Policy Attribute-Based Encryption with Short Revocation List
public-key cryptography Revocable Attribute-Based Encryption
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2018/4/11
In this paper, we propose an efficient revocable Ciphertext-Policy Attribute-Based Encryption (CP-ABE) scheme. We base on the direct revocation approach, by embedding the revocation list into cipherte...
IR-CP-ABE: Identity Revocable Ciphertext-Policy Attribute-Based Encryption for Flexible Secure Group-Based Communication
Group-based Secure Communication Ciphertext-Policy Attribute-Based Encryption ID Revocation
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2017/11/20
Ciphertext-Policy Attribute-Based Encryp- tion (CP-ABE) is an access control mechanism over encrypted data and well suited for secure group-based communication. However, it also suffers from the fol- ...
HIR-CP-ABE: Hierarchical Identity Revocable Ciphertext-Policy Attribute-Based Encryption for Secure and Flexible Data Sharing
Attribute-Based Access Control Encryption CP-ABE
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2017/11/20
Ciphertext Policy Attribute-Based Encryption (CP- ABE) has been proposed to implement the attribute-based access control model. In CP-ABE, data owners encrypt the data with a certain access policy suc...
Short CCA-Secure Ciphertext-Policy Attribute-Based Encryption
public-key cryptography attribute-based encryption direct chosen-ciphertext security
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2017/5/31
We propose a technique of individually modifying an attribute-based encryption scheme (ABE) that is secure against chosen-plaintext attacks (CPA) into an ABE scheme that is secure against chosen-ciphe...
Dynamic Policy Update for Ciphertext-Policy Attribute-Based Encryption
public-key cryptography Ciphertext-policy attribute-based encryption
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2016/5/17
Ciphertext-policy attribute-based encryption (CP-ABE) is regarded as a promising cryptographic tool for encrypted access control in public cloud storage systems. However, a problem for CP-ABE schemes ...
Accountable Authority Ciphertext-Policy Attribute-Based Encryption with White-Box Traceability and Public Auditing in the Cloud
Attribute-Based Encryption Ciphertext-Policy Key Abuse
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2015/12/29
As a sophisticated mechanism for secure fine-grained access
control, ciphertext-policy attribute-based encryption (CP-ABE) is a
highly promising solution for commercial applications such as cloud co...
Private Ciphertext-Policy Attribute-based Encryption Schemes With Constant-Size Ciphertext Supporting CNF Access Policy
Attribute-based encryption ciphertext-policy CNF
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2015/12/23
Attribute-based encryption (ABE) is an extension of traditional public key encryption in which
the encryption and decryption phases are based on user’s attributes. More precisely, we focus on ciphert...
On Efficient Ciphertext-Policy Attribute Based Encryption and Broadcast Encryption
Efficient Ciphertext-Policy Attribute Encryption and Broadcast Encryption
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2010/7/14
Ciphertext Policy Attribute Based Encryption (CP-ABE) enforces an expressive data access policy, which consists of a number of attributes connected by logical gates. Only those decryptors whose attrib...
On Efficiently Transferring the Linear Secret-Sharing Scheme Matrix in Ciphertext-Policy Attribute-Based Encryption
public-key cryptography attribute based encryption ciphertext policy access structure linear secret sharing scheme monotone span program
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2010/7/14
Ciphertext-Policy Attribute-Based Encryption(CP-ABE) is a system for realizing complex access control on encrypted data, in which attributes are used to describe a user's credentials and a party encry...
Ciphertext-Policy Attribute-Based Encryption:An Expressive, Efficient, and Provably Secure Realization
Ciphertext-Policy Attribute-Based Encryption Bilinear Diffie-Hellman ssumptions generic group model
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2009/6/5
We present a new methodology for realizing Ciphertext-Policy Attribute Encryption (CP-
ABE) under concrete and noninteractive cryptographic assumptions in the standard model. Our
solutions allow any...