WebDec 5, 2024 · Security issues in cloud computing have become a hot topic in academia and industry, and CP-ABE is an effective solution for managing and protecting data. When data is shared in cloud computing, they usually have multiple access structures that have hierarchical relationships. However, existing CP-ABE algorithms do not consider such … WebAug 19, 2024 · 基于属性的加密(Attribute-based encryption (ABE) )是一种相对较新的方法。 在传统的公钥密码学中,使用接收者的公钥为特定的接收者加密消息。 通过允许公钥为任意字符串,例如接收者的电子邮件地址,基于身份的加密( identity-based encryption (IBE))改变了对公钥密码 ...
请问有大佬研究属性基加密机制吗? - 知乎
WebDec 8, 2024 · CSDN问答为您找到CP-ABEPython代码实现问题相关问题答案,如果想了解更多关于CP-ABEPython代码实现问题 python、ubuntu、pycharm 技术问题等相关问答, … WebMay 6, 2024 · kp-abe应用图. cp-abe流程 . ①设置:这是一个随机算法,输入隐藏的安全参数,输出公开参数pk和一个主密钥mk。 ②加密:这是一个随机算法,输入一个消息m、一个访问结构a、公开参数pk,输出密文e。 busog lusog talino school feeding program
Robust, Revocable and Adaptively Secure Attribute-Based …
Weblarge universe CP-ABE construction enabling both user revocation and accountability. The authors show that the proposed construction is selectively secure in standard models. Li et al. [LML+16] propose a new multi-authority CP-ABE scheme enabling attribute revocation while being adaptively secure in the setting of bilinear groups with composite ... WebCiphertext Policy ABE in the Standard Model The lack of satisfaction with generic group model proofs has motivated the problem of nding an expressive CP-ABE system under a more solid model. There have been multiple approaches in this direction. First, we can view the Sahai-Waters[36] construction most \naturally" as Key-Policy ABE for a ... WebMay 10, 2024 · 第二个是Python语言实现的,主要是使用了基于Python的加密平台charm。. 这两个平台最终的底层都使用的是c语言的pbc库,只是对上层的mod,指数等做了不同 … busohaki fruit battlegrounds