Backward Secrecy Sample Clauses

Backward Secrecy. It guarantees that the previously used group keys must not be compromised by new group members.
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Backward Secrecy. The backward secrecy of a group key agreement protocol allows the new member(s) to join in a group and develop new group key without providing the scope for generating any previous group session key to the new members so that they cannot access the previ- ous group conversations. The proposed protocol provides backward secrecy as the new member Un+1 not able to calculates previous group session key SK because it re-
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Backward Secrecy. Under the DDH assumption, the proposed GKA protocol provides backward secrecy when the old lead vehicle wants to be changed.
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Backward Secrecy guarantees that a passive adversary who knows a contiguous subset group keys cannot discover preceding group keys.
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Backward Secrecy. Backward secrecy is a property such that a new addition to a group is unable to decrypt information created prior to their introduction. In the key agreement phase of our protocol, the common group key can only be computed successfully by authenticated ve- hicles because the common group key is computed using public keys and private keys of authenticated vehicles. So any un-authenticated vehicle or the adversary can not compute the common group key, so that backward secrecy is guaranteed.
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Backward Secrecy. Backward secrecy, as defined in Section 3.2, ensures that a new member who knows the current group key cannot derive any previous group key. In other words, backward secrecy prevents new joining users from accessing previous group content. Backward secrecy is achieved in the active user tier through the member join operation (described in Section 3.4). previous group content, and an adversary is in the same situation. Backward secrecy is guaranteed in virtual clusters.
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Related to Backward Secrecy

  • Retention Rights This Agreement and the grant evidenced hereby do not give you the right to be retained by the Company (or any Affiliate) in any capacity. Unless otherwise specified in an employment or other written agreement between the Company (or any Affiliate) and you, the Company (and any Affiliate) reserve the right to terminate your Service at any time and for any reason.

  • Vesting and Lapse of Restrictions Subject to Sections 2.2(a) and 2.2(c), the Award shall vest and Restrictions shall lapse in accordance with the vesting schedule set forth on the Grant Notice.

  • Vesting Date All remaining shares of Restricted Stock will become vested on the Vesting Date.

  • Restriction Period and Vesting (a) The Units shall vest and the restrictions shall lapse as follows: (i) 25% of the Units shall vest and restrictions shall lapse on each anniversary of the grant date (the “Vesting Dates”) until the Units are fully vested, or (ii) earlier pursuant to this Agreement or in accordance with Section 6.8 of the Plan (the “Restriction Period”). As used herein, the term “vest” shall mean no longer subject to a substantial risk of forfeiture. (b) If, prior to the end of the Restriction Period, the Holder’s employment with the Company terminates by reason of death or Disability, the Units that are then unvested shall vest in full, and restrictions shall lapse, as of the date of such termination. If, after twelve months of service have been rendered and prior to the end of the Restriction Period, the Holder’s employment with the Company terminates by reason of Retirement, the portion of the Award that is then unvested shall continue to vest after the date of such termination as if the Holder’s employment with the Company continued until the end of the Restriction Period. (c) If, prior to the end of the Restriction Period, the Holder’s employment with the Company terminates for any reason other than death or Disability, or Retirement, the Units that are then unvested as of the effective date of the Holder’s termination of employment shall be forfeited by the Holder and such portion shall be cancelled by the Company. (d) In the event of a Change in Control, as defined in the Plan, the Units shall immediately vest in full and the restrictions shall lapse as provided in Section 6.8 of the Plan; provided, however, that in the event that (i) the Units constitute the payment of nonqualified deferred compensation within the meaning of Section 409A of the Internal Revenue Code of 1986, as amended (the “Code”), and (ii) the Change in Control does not constitute a “change in control event’ within the meaning of Section 409A of the Code, the Units shall not immediately vest upon such Change in Control, but instead shall vest and be payable in accordance with the vesting schedule set forth in clause (i) of Section 1(a) hereof, or earlier pursuant to Section 1(b) hereof.

  • RSUs The Continuing Stock Units shall continue to vest in accordance with the terms of the Original RSU Award Documents, on the same basis as such stock units would have become vested if Executive had remained employed under this Agreement through the Scheduled Expiration Date. Except as otherwise expressly provided herein, all such Continuing Stock Units shall be subject to, and administered in accordance with, the Original RSU Award Documents. Any of Executive’s restricted stock unit awards that have not become vested on or before the Termination Date, and that are outstanding at the Termination Date, but which are not Continuing Stock Units, shall automatically terminate on the Termination Date. Notwithstanding any term or provision of the Original RSU Award Documents: (A) any provisions in such Original RSU Award Documents relating to disability shall not be applicable to any such Continuing Stock Units after the Termination Date; and (B) in the event of Executive’s death after the Termination Date but prior to the Scheduled Expiration Date, the terms and provisions of the Original RSU Award Documents shall be interpreted and applied in the same manner with respect to such Continuing Stock Units as if Executive were an active employee on the date of Executive’s death. (C) to the extent that, under the Company’s compensation practices and policies, any tranche of Continuing Stock Units is subject to the achievement of performance conditions which were imposed solely because Executive was an executive officer of the Company who could have been a covered employee within the meaning of Section 162(m) at the time payment in respect of such award was expected to be made (the “Applicable 162(m) Criteria”) and such Applicable 162(m) Criteria relate, in whole or in part, to any performance period continuing after the end of the Company’s fiscal year in which the Termination Date occurs, such Applicable 162(m) Criteria shall be waived as of the Termination Date with respect to such tranche of the Continuing Stock Units; provided, however, that this Paragraph 5(d)(iii)(C) shall not be applicable if and to the extent, in the reasonable opinion of tax counsel to the Company, the presence of such provision would cause any stock units intended to be qualified as other performance based compensation within the meaning of Section 162(m) of the Code to fail to be so qualified at any time prior to Executive’s Termination Date.

  • Restriction Period The Restriction Period with respect to each Restricted Stock Unit is the time between the Grant Date and the date such Restricted Stock Unit vests.

  • Vesting Generally LTIP Units may, in the sole discretion of the General Partner, be issued subject to vesting, forfeiture and additional restrictions on Transfer pursuant to the terms of an award, vesting or other similar agreement (a “Vesting Agreement”). The terms of any Vesting Agreement may be modified by the General Partner from time to time in its sole discretion, subject to any restrictions on amendment imposed by the relevant Vesting Agreement or by the Plan, if applicable. LTIP Units that were fully vested when issued or that have vested and are no longer subject to forfeiture under the terms of a Vesting Agreement are referred to as “Vested LTIP Units”; all other LTIP Units shall be treated as “Unvested LTIP Units.”

  • Award Date <Award Date>

  • Vesting Dates The ISOs shall vest as follows, subject to earlier vesting in the event of a termination of Service as provided in Section 6 or a Change in Control as provided in Section 7:

  • Stock Vesting Unless otherwise approved by the Board of Directors, all stock options and other stock equivalents issued after the date of this Agreement to employees, directors, consultants and other service providers shall be subject to vesting as follows: (a) twenty-five percent (25%) of such stock shall vest at the end of the first year following the earlier of the date of issuance or such person’s services commencement date with the Company, and (b) seventy-five percent (75%) of such stock shall vest over the remaining three (3) years.

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