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Table 1 Notation.

From: SPM: Source Privacy for Mobile Ad Hoc Networks

AS or

Ambiguity set

SAMAS

source anonymous message authentication code

th message authentication code

MES

modified ElGamal signature

PPT

probabilistic polynomial time

a large prime number

integer field module

a primitive element in

private key of the th user

public key of the th user for SAMAC generation

th signature component

ElGamal signature component

Message

number of users in the AS

th member in the AS

hash function

hash value

encrypt using public key

's secret key for symmetric encryption

encrypt using secret key

th nonce

th message flag

th recipient flag

message concatenation

message to send from node to node

SAMAC of message