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Advances, Systems and Applications

Journal of Cloud Computing Cover Image

Table 1 Notations and their corresponding meanings

From: An efficient and traceable KP-ABS scheme with untrusted attribute authority in cloud computing

Notations Meanings
G 1, G 2 Groups
ê Bilinear paring operation
H 1 Hash function
PK System public parameters
MK System master key
AA Attribute authority
U Global attribute set
A i Attribute i
D i Private key of attribute i
M Plaintext
T i Access structure
x Node in the access tree
Δ i,S(x) Lagrange interpolation function
q x Polynomial defined by AA
p x Polynomial defined by signer
v Signature to be verified
id l Identity of user l