Leave Operation Sample Clauses

Leave Operation. The leave operation is similar to the join operation but consists of only one round. Let us assume U2 is going to leave the group. Then the following operations need to be performed to recompute the group key. • Step 1: Any one of the remaining members, say U1, should redo the key agreement steps in Section 4.1 from Step 4, but this time U2 should be left out of the computation. Member U1 should select a new key share k1 and not include the DH key it shares with U2 in the LCM and CRT computations. • Step 2: The other members receive the crt1 value from U1 and calculate the new k1 value. The new group key GKnew is computed as followsGKnew = GK ⊕ k1It should be noted that, when a member leaves the group, one of the existing members does the major por- tion of the work. During implementation, suitable meth- ods should be used that distribute this responsibility to other existing members when there are frequent leave op- erations.In case of multiple leaves, all the leaving members should be left out of the computation as shown above. No extra computation is needed since the protocol need not be re- peated for each leaving member. Thus the CRTDH pro- tocol efficiently supports leave operations and more im- portantly multiple leave operations in a single round of computation.

Related to Leave Operation

Termination This Agreement may be terminated at any time prior to the Closing:
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Term This Agreement shall terminate upon the earlier of (i) the tenth anniversary of the date of this Agreement or (ii) the date as of which (A) all of the Registrable Securities have been sold pursuant to a Registration Statement (but in no event prior to the applicable period referred to in Section 4(a)(3) of the Securities Act and Rule 174 thereunder (or any successor rule promulgated thereafter by the Commission)) or (B) the Holders of all Registrable Securities are permitted to sell the Registrable Securities without registration pursuant to Rule 144 (or any similar provision) under the Securities Act with no volume or other restrictions or limitations. The provisions of Section 3.5 and Article IV shall survive any termination.[
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