Protection Against Replay Attacks Sample Clauses

Protection Against Replay Attacks. In the proposed scheme, an adversary cannot reuse the message M1 : {SIDSMi , ns} since SIDSMi changes in each session. Xx and Xxxx [2] 3Tmp +Tm +Tcertgen +Th 4Tmp +Tm +Tcertver +4Th +Xx Xxx and Xxxx [3] Ts + 4Th Ts + 4th Xxxxx et al. [6] 3Tmp+Te+ 0Xx 0Xxx+Xx+ 0Xx+0Xx Proposed Scheme FE.Rec + 5Th +TPUF FE.Gen + 6Th Tmp: Execution time of a multiplication point operation; Tm : Execution time of a multiplication operation; Te: Execution time of a modular exponential operation; Ts : Execution time of a symmetric encryption/decryption; Tb: Execution time of a bilinear pairing;Th : Execution time of a hash operation; TPUF : Execution time of a PUF operation;Tcert : Execution time of a certificate generation/verification operation gen/ver Tmp 5.9 ms 2.6 ms Tm 22.93 ms 14.5 ms Tb 9.23 ms 3.78 ms Tcertgen 57.63 ms - Tcertver - 17.24 ms Th 0.026 ms 0.011 ms Te 7.86 ms 2.34 ms Ts 0.079 ms 0.041 ms TPUF 0. 12 ms - FE.Gen (.) - 1.17 ms FE.Rec (.) 3.28 ms - The adversary cannot reuse message M2 since a new challenge C is used in each session. Similarly, an adversary also cannot resend the messages M3 and M4 since a new response R' and new helping data hdnew are used in each session. In this way, we ensure security against replay attacks.
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Related to Protection Against Replay Attacks

  • Protection Against Dilution If the Corporation, with respect to the Common Stock, (1) pays a dividend or makes a distribution on shares of Common Stock that is paid in shares of Common Stock or in securities convertible into or exchangeable for Common Stock (in which latter event the number of shares of Common Stock initially issuable upon the conversion or exchange of such securities shall be deemed to have been distributed), (2) subdivides outstanding shares of Common Stock, (3) combines outstanding shares of Common Stock into a smaller number of shares, or (4) issues by reclassification of Common Stock any shares of capital stock of the Corporation, the number of shares as to which this Warrant is exercisable as of the date of such event and the Exercise Price in effect immediately prior thereto shall be adjusted so that each Holder thereafter shall be entitled to receive the number and kind of shares of Common Stock or other capital stock of the Corporation that it would have owned or been entitled to receive in respect of this Warrant immediately after the happening of any of the events described above had this Warrant been converted immediately prior to the happening of that event; provided that the aggregate purchase price payable for the total numbers of shares of Common Stock purchasable under this Warrant shall remain the same. An adjustment made in accordance with this section shall become effective immediately after the record date, in the case of a dividend, and shall become effective immediately after the effective date, in the case of a subdivision, combination, or reclassification. If, as a result of an adjustment made in accordance with this Section 4, the Holder becomes entitled to receive shares of two or more classes of capital stock or shares of Common Stock and other capital stock of the Corporation, the board of directors (whose determination shall be conclusive) shall determine the allocation of the adjusted Exercise Rate between or among shares of such classes of capital stock or shares of Common Stock and other capital stock.

  • Violence Against Women The parties hereby recognize and share the concern that women uniquely face situations of violence or abuse in their personal lives that may affect their attendance or performance at work. A woman who is in an abusive or violent personal or domestic situation will not be subjected to discipline without giving full consideration to the facts in the case of each individual and the circumstances surrounding the incident otherwise supportive of discipline. This statement of intent is subject to a standard of good faith on the part of the Employer, the Union and the affected employees and will not be utilized by the Union or the employees to subvert the application of otherwise appropriate disciplinary measures.

  • Prohibition Against Recording Except as provided in Section 29.4 of this Lease, neither this Lease, nor any memorandum, affidavit or other writing with respect thereto, shall be recorded by Tenant or by anyone acting through, under or on behalf of Tenant.

  • Claims Against Third Parties The Licensee shall, as soon as it becomes aware, give DACS in writing full particulars of any infringements or violations of any of DACS’ / the Artist’s rights in the Work.

  • Complaints Against Teachers Communication between the Community and the School ideally should be such that most complaints may be resolved through personal conferences at the School level. Various avenues of contact between teacher, pupil, parent, principal and other appropriate staff personnel should be pursued before using the formal procedures outlined below. The following process shall not be used when allegations involve legal or criminal violations or allegations of misconduct towards a student, such as abuse or discrimination. Such allegations shall be investigated in accordance with board policy and in conjunction with the authorities, consistent with principles of due process. 1. The Complainant shall be given a copy of this Part II, Section J and be told that there are contractual requirements for the District to follow. 2. If such conferences do not lead to understanding and resolution of problems involved, a parent may pursue further action by submitting a complaint against a teacher, which must be submitted in writing to the principal of the school. The principal shall give a copy to the teacher. Likewise, the teacher may request in writing to the principal that such a written complaint must be filed or the matter shall be considered closed. The principal shall give a copy to the parent. 3. After a written complaint is filed, if requested by the complainant or the teacher, a meeting involving the teacher, the principal, and the complainant will be arranged as soon as possible to discuss the complaint. 4. If it is not resolved at that level to the satisfaction of the Complainant, the Complainant may appeal to the Superintendent. 5. If it is still unresolved to the satisfaction of the Complainant, the Complainant may appeal to the Board of Education.

  • Prohibition Against Discrimination It is the policy of the State to prohibit discrimination in employment against any employee or applicant for employment because of race, age, color, religion, creed, sex (including pregnancy), sexual orientation, political affiliation, country of national origin, ancestry, genetic information, gender identity or expression, mental or physical disability, marital status, or labor organization affiliations, and to promote and implement a positive and continuing program of equal employment opportunity. It is the policy of the Union that it shall not discriminate against any employee or cause or attempt to cause the State to discriminate against any employee because of race, age, color, religion, creed, sex, sexual orientation, political affiliation, country of national origin, ancestry, genetic information, gender identity or expression, mental or physical disability, marital status or labor or organization affiliation.

  • SAFEGUARD AGAINST FRAUD 11.1 The Supplier shall take all reasonable steps, in accordance with Good Industry Practice, to prevent any fraudulent activity (including Fraud) by the Supplier and the Supplier’s Staff (which for the purposes of this Clause 11 (Safeguard Against Fraud) shall include its shareholders holding in excess of the fifty (50) percent of the entire issued share capital of the Supplier and directors). 11.2 The Supplier shall notify the Authority immediately if it has reason to suspect that any Fraud has occurred, is occurring or is likely to occur save where complying with this provision would cause the Supplier or its employees to commit an offence under the Proceeds of Crime Act 2002 or the Terrorism Act 2000. 11.3 If the Supplier or the Supplier’s Staff commits Fraud in relation to this Framework Agreement, a Call-Off Contract or any other contract with the Crown (including the Authority), the Authority may: 11.3.1 terminate this Framework Agreement with immediate effect by giving the Supplier notice in writing, and recover from the Supplier the amount of any loss suffered by the Authority resulting from such termination, including the cost reasonably incurred by the Authority of making other arrangements for the supply of the Services and any additional expenditure incurred by the Authority throughout the remainder of the Term; or 11.3.2 recover in full from the Supplier and the Supplier shall on demand indemnify in full and hold the Authority harmless from and against any other loss sustained by the Authority in consequence of any breach of this Clause 11 (Safeguard Against Fraud).

  • Action Against Parties; Notification Promptly after receipt by any Indemnified Party under this Section 8 of notice of the commencement of any action, such Indemnified Party will, if a claim in respect thereof is to be made against any indemnifying party under this Section 8, promptly notify the indemnifying party of the commencement thereof; provided, however, that the failure to give such notice shall not relieve the indemnifying party of its obligations hereunder except to the extent it shall have been actually prejudiced by such failure. In case any such action is brought against any Indemnified Party, and it notifies an indemnifying party of the commencement thereof, the indemnifying party will be entitled, to the extent it may wish, jointly with any other indemnifying party similarly notified, to participate in the defense thereof, with separate counsel. Such participation shall not relieve such indemnifying party of the obligation to reimburse the Indemnified Party for reasonable legal and other expenses incurred by such Indemnified Party in defending itself, except for such expenses incurred after the indemnifying party has deposited funds sufficient to effect the settlement, with prejudice, of, and unconditional release of all liabilities from, the claim in respect of which indemnity is sought. Any such indemnifying party shall not be liable to any such Indemnified Party on account of any settlement of any claim or action effected without the consent of such indemnifying party, such consent not to be unreasonably withheld or delayed.

  • Protections Against Violations of Agreement No purported sale, assignment, mortgage, hypothecation, transfer, pledge, encumbrance, gift, transfer in trust (voting or other) or other disposition of, or creation of a security interest in or lien on, any of the Restricted Stock Units by any holder thereof in violation of the provisions of this Agreement or the Certificate of Incorporation or the Bylaws of the Company, will be valid, and the Company will not transfer any shares resulting from the settlement of Restricted Stock Units on its books nor will any of such shares be entitled to vote, nor will any dividends be paid thereon, unless and until there has been full compliance with such provisions to the satisfaction of the Company. The foregoing restrictions are in addition to and not in lieu of any other remedies, legal or equitable, available to enforce such provisions.

  • Pursuit of Claims Against Third Parties If (i) a Party incurs any Liability arising out of this Agreement or any Ancillary Agreement; (ii) an adequate legal or equitable remedy is not available for any reason against the other Party to satisfy the Liability incurred by the incurring Party; and (iii) a legal or equitable remedy may be available to the other Party against a Third Party for such Liability, then the other Party shall use its commercially reasonable efforts to cooperate with the incurring Party, at the incurring Party’s expense, to permit the incurring Party to obtain the benefits of such legal or equitable remedy against the Third Party.

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