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View Code? Open in Web Editor NEWA library for cryptographic primitive implementations for Cloud Storage applications.
A library for cryptographic primitive implementations for Cloud Storage applications.
According to the code in README.
String accessPolicyString = "((0 and 1 and 2) and (3 or 4 or 5) and (6 and 7 and (8 or 9 or 10 or 11)))";
int[][] accessPolicy = ParserUtils.GenerateAccessPolicy(accessPolicyString);
There are 12 attributes in the accessPolicyString
. But the accessPolicy
is 11 rows and 4 columns.
According to the description of the share-generating matrix in ABE papers:
LSSS access structure (M, ρ). The function ρ associates rows of M to attributes.
It means that one row in the share-generating matrix M corresponds to one attribute.
So, whether the return of ParserUtils.GenerateAccessPolicy is the share-generating matrix of LSSS?
why?
The Boneh–Lynn–Shacham signature scheme is actually registered as the patent US7587605B1, by Microsoft. And the patent will be active to 2024.
How do you think about this issue?
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