In this work, we study two ABE schemes proposed by Sethia et al. and Guo et al., respectively, in 2001. We found that, the scheme of Sethia et al. is insecure ...

In this work, we study two ABE schemes proposed by Sethia et al. and Guo et al., respectively, in 2001. We found that, the scheme of Sethia et al. is insecure ...

Therefore, in this manuscript, we will review on their schemes, and give the corresponding cryptanalysis. Besides, the discussion on the reasons to the attacks ...

This work studied two ABE schemes proposed by Sethia et al. and Guo et al., respectively, in 2001 and found that, the scheme of Sethia & Guo is insecure ...

Jan 21, 2024 · In this manuscript, we give the cryptanalysis of two key-policy attribute-based encryption schemes for weighted threshold gates.

Jun 25, 2014 · Attribute-based encryption (ABE) is a relatively recent approach that reconsiders the concept of public-key cryptography.

Feb 9, 2016 · Charm crypto, a Python framework, contains three multi-authority schemes. Two of them were contributed by me: 1 & 2 and another one was already included.

In this manuscript, we give the cryptanalysis of two key-policy attribute-based encryption schemes for weighted threshold gates. We propose two attack methods, ...

In this manuscript, we give the cryptanalysis of two key-policy attribute-based encryption schemes for weighted threshold gates. We propose two attack ...

Nov 12, 2021 · Attribute-based encryption (ABE) provides fine-grained access control on data where the ability to decrypt a ciphertext is determined by the attributes owned ...