Authenticated GDH Sample Clauses

Authenticated GDH. 2 protocol An extension of the GDH.2 protocol (Algorithm 1) to pro- h=3 (2,0) (1,0) (0,0) (2,1) (2,2) (1,1) (2,3) l=0 l=1
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Authenticated GDH. 2 (A-GDH.2) Round i (1 i n 1): Same steps from GDH.2 Round n:
Authenticated GDH. One attempt to modify the GDH.2 protocol to provide implicit key authentication is to assume that one group key. As a result, m2 and mI share a key gyr3r2 that m2 believes to be the group key, and t hus the attack has succeeded and the IKA property is broken.
Authenticated GDH. 2 protocol
Authenticated GDH. One attempt to modify the GDH.2 protocol to provide implicit key authentication is to assume that one group member mn shares a secret Kin with each mi sepa- rately, and then modify the last message in GDH.2 so that the message parts are blinded using the keys shared with the recipients. The message that mn broadcasts r1···rn ·K key. As a result, m2 and mI share a key gyr3r2 that m2 believes to be the group key, and thus the attack has succeeded and the IKA property is broken.
Authenticated GDH. 2 protocol An extension of the GDH.2 protocol (Algorithm 1) to pro- vide implicit key authentication was presented in [2]. For the completeness of presentation, Algorithm 2 brie y reviews this h=3 N=4 l=0 (0,0) (1,0) (1,1) (2,0) (2,1) (2,2) (2,3) l=1 M1 M2 M3

Related to Authenticated GDH

  • Authentic Text This Agreement is drawn up in duplicate in the Danish, Dutch, English, Finnish, French, German, Greek, Italian, Portuguese, Spanish and Swedish languages, each of these texts being equally authentic.

  • Authentic Texts This Agreement shall be done in Chinese, Spanish and English, the three texts are equally valid and authentic. In the event of divergence, the English text shall prevail.

  • Authentication This Note shall not be valid until authenticated by the manual signature of the Trustee or an authenticating agent.

  • Executed and authenticated be executed manually or in facsimile by or on behalf of the Issuer and authenticated manually by or on behalf of the Fiscal Agent; and

  • AUTHENTICATION OF FACSIMILE BIDS The act of submitting a Bid by facsimile transmission, including an executed signature page or as otherwise specified in the Bid Documents, shall be deemed a confirming act by Bidder which authenticates the signing of the Bid.

  • Execution, Authentication, Delivery and Dating of Rights Certificates (a) The Rights Certificates shall be executed on behalf of the Company by any of its Chairman of the Board, President, Chief Executive Officer and Chief Financial Officer. The signature of any of these officers on the Rights Certificates may be manual or facsimile. Rights Certificates bearing the manual or facsimile signatures of individuals who were at any time the proper officers of the Company shall bind the Company, notwithstanding that such individuals or any of them have ceased to hold such offices either before or after the countersignature and delivery of such Rights Certificates.

  • Execution, Authentication, Availability and Dating of the Residual Certificates The Residual Certificates shall be executed on behalf of Xxxxxx Mae by an Authorized Officer of Xxxxxx Xxx under the corporate seal of Xxxxxx Mae, which may be in facsimile form and be imprinted or otherwise reproduced thereon, and shall be attested by the Secretary, Assistant Secretary, or a second Authorized Officer of Xxxxxx Xxx. The signature of any of these Persons on the Residual Certificates may be manual or facsimile. A Residual Certificate bearing the manual or facsimile signature of individuals who were at any time officers of Xxxxxx Mae shall bind Xxxxxx Xxx, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Certificate or did not hold such offices at the date of such Certificate. At any time and from time to time after the execution and delivery of this Trust Agreement, Xxxxxx Mae may deliver Residual Certificates executed by Xxxxxx Xxx to the Certificate Registrar for authentication and the Certificate Registrar shall authenticate and make available such Certificates as provided in this Trust Agreement and not otherwise. No Residual Certificate shall be entitled to any benefit under this Trust Agreement or be valid for any purpose, unless there appears on such Residual Certificate a certificate of authentication substantially in the form provided for herein, executed by the Certificate Registrar by the manual or facsimile signature of one of its authorized signatories, and such certificate upon any Residual Certificate shall be conclusive evidence, and the only evidence, that such Residual Certificate has been duly authenticated and made available hereunder. Each Residual Certificate shall be dated the date of its authentication.

  • The Trustee The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Guaranteeing Subsidiary and the Company.

  • Exchange of Book Entry Notes for Definitive Notes (a) The Notes will initially be issued as Book-Entry Notes. Interests in a Book-Entry Note may be exchanged for Definitive Notes only if such exchange is permitted by applicable law and (i) in the case of a DTC Note, DTC notifies the Global Agent that it is no longer willing, qualified or able to discharge properly its responsibilities as nominee and depositary with respect to the Book-Entry Notes and in each case the Issuer is unable to locate a successor within 90 calendar days of receiving notice of such ineligibility on the part of DTC, (ii) in the case of any Common Depository Note, if all of the systems through which it is cleared or settled are closed for business for a continuous period of 14 calendar days (other than by reason of holidays, statutory or otherwise) or are permanently closed for business or have announced an intention to permanently cease business and in each such situation the Issuer is unable to locate a single successor within 90 calendar days of such closure, or (iii) an Event of Default occurs under the Debt Agreement and a majority of the Holders of DTC Notes advise the Global Agent and DTC through the Financial Intermediaries in writing that the continuation of a book-entry system through DTC is no longer in the best interests of such Holders. A Person having an interest in a DTC Note or Common Depository Note issued in global form shall provide the Issuer or the Global Agent with a written order containing instructions and such other information as the Issuer or the Global Agent may require to complete, execute and deliver such Definitive Notes in authorized denominations. In such circumstances, the Issuer shall cause sufficient Definitive Notes to be executed and delivered as soon as practicable (and in any event within 45 calendar days of the Issuer receiving notice of the occurrence of such circumstances) to the Global Agent or its agent for completion, authentication and delivery to the relevant registered Holders of such Definitive Notes. The Issuer shall, from time to time, deliver to the Global Agent adequate supplies of Definitive Note certificates substantially in the form of Exhibit D hereto, executed by the manual or facsimile signature of an Authorized Officer of the Issuer. The Global Agent shall acknowledge receipt of any Definitive Notes received from the Issuer and shall hold the Definitive Notes in safekeeping for the Issuer.

  • Temporary Notes Pending the preparation of Definitive Notes, the Issuer may execute, and upon receipt of an Issuer Order the Indenture Trustee shall authenticate and deliver, temporary Notes that are printed, lithographed, typewritten, mimeographed or otherwise produced, of the tenor of the Definitive Notes in lieu of which they are issued and with such variations not inconsistent with the terms of this Indenture as the officers executing such Notes may determine, as evidenced by their execution of such Notes. If temporary Notes are issued, the Issuer will cause Definitive Notes to be prepared without unreasonable delay. After the preparation of Definitive Notes, the temporary Notes shall be exchangeable for Definitive Notes upon surrender of the temporary Notes at the office or agency of the Issuer to be maintained as provided in Section 3.02, without charge to the Holder. Upon surrender for cancellation of any one or more temporary Notes, the Issuer shall execute, and the Indenture Trustee shall authenticate and deliver in exchange therefor, a like principal amount of Definitive Notes of authorized denominations. Until so exchanged, the temporary Notes shall in all respects be entitled to the same benefits under this Indenture as Definitive Notes.

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