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Advances, Systems and Applications

Table 2 Notations and symbols

From: ES-PPDA: an efficient and secure privacy-protected data aggregation scheme in the IoT with an edge-based XaaS architecture

Notation Description
(k, k1) Security parameters
SPpub Public key of SP
msk Master key
Xi Random number
ki Blind factor
αi, βi Registration knowledge
(y, z) Random numbers
St Status information of signer
\({\sum}_i^{off}\) Offline signature
\({\sum}_i^{on}\) Online signature
Veron Online signature verification
Verpk Verify with public key
ci Encrypted report
vi An integer
mi Message
Yi Public key
Agg Aggregate signature
g1 DTCH generator
Hi Hashing function