Changes
In Algorithm 1, TDH and the original group key exchange from [ACMP10] has been combined to provide a deniable authenticated group key exchange. Here, we single out TDH Algorithm 1.1 for better presentation of the protocol for the reader.
'''Algorithm 1.1''' Triple Diffie-Hellman between <math>U_i</math> and <math>U_j</math>assuming i < j
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