Web李维勇,张 伟(1.南京信息职业技术学院网络与通信学院,江苏 南京 210023;2.南京邮电大学计算机学院,江苏 南京 210003)1. ... 当中,而将属性集合则嵌入到密文当中;一种是基于密文策略的ABE算法[8](ciphertext policy attribute-based encryption,CP-ABE),它将访问 … WebIn more detail, in a CP-ABE scheme, a ciphertext for a message mis labelled with an access control policy f, and secret keys are labelled with public attributes x from the domain of f. Decryption succeeds to yield the hidden message mif and only if the attribute satisfies the function, namely f(x) = 1. In a KP-ABE, the placement of fand x are ...
基于属性的加密算法(一)——CP-ABE - 知乎 - 知乎专栏
WebIn a key-policy ABE (KP-ABE) scheme, for instance, one can embed an access structure in a secret key such as (Year:1991-2000 AND Category:jazz). The secret key can decrypt ciphertexts that have attributes Year:1991-2000 and Category:jazz but cannot ones that only have at most one of them. Ciphertext-policy ABE (CP-ABE) is a dual of KP-ABE and WebNov 21, 2024 · 虽然看起来两者正好互补, 但实际应用差别较大, kp-abe因为密钥和访问结构对应, 反而不如cp-abe的密文与访问结构对应更灵活, 数据访问控制上cp-abe更适用于云 … churchsuite smart tags
Enhanced Ciphertext-Policy Attribute-Based Encryption (ECP-ABE…
WebMay 6, 2024 · cp-abe应用图 KP-ABE (key policy attribute based encryption,密钥策略属性基加密系统):所谓密钥政策加密系统是指,密钥对应于一个访问控制而密文对应于一 … WebMay 12, 2024 · cp-abe应用图 KP-ABE (key policy attribute based encryption,密钥策略属性基加密系统):所谓密钥政策加密系统是指,密钥对应于一个访问控制而密文对应于 … WebNov 18, 2024 · ABE (Attribute Based Encryption) 是在大約 2000 年左右冒起的新寵。. 基本運作原理,是利用 IBE 的方法,以一堆不同的 attributes 去加密文件。. 而近年有兩大分 … dexknows website solutions restaurants