Mutual Authentication Phase Sample Clauses

Mutual Authentication Phase. In this phase, GNi first sends a message to its right neighbor GNi+1, and GNi+1 will authenticate GNi. At the same time, GNi will also receive a message from its left neighbor GNi−1, and it needs to authenticate GNi−1. Figure 3 shows the mutual authentication phase and the group key generation phase of our protocol. XXx performs the following operations.
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Mutual Authentication Phase. As a precondition, HA needs to pre-share a distinct sym- metric key kF H with each FA. When a user MN visits a new foreign network, the following steps are performed:
Sample 1
Mutual Authentication Phase. In this phase, the user Xx uses his/her two devices to Thus, we can get the following: σ = Decsk(C2) mod q IDi = r1 · r2 · r−1
Sample 1
Mutual Authentication Phase. By our design, a set of leaders are included among members to represent the group to the core network. In order to avoid collisions as a result of multiple initiations at the same time, leaders are instructed to wait for a random amount of time before they can send the first message. If any leaders hears the first message sent by another leader the hearing leader postpones sending until the current procedure is complete with success. The chosen leader and the HSS authenticate mutually as shown in Fig. 2. The leader sends the second message including their own identity, members’ identity [𝐼𝑀𝑆𝐼]𝑖 and group identity 𝐼𝑀𝐺𝐼 to the Mobility Management Entity (MME), where 1≤ 𝑖 ≤ 𝑛. The MME adds its own identity 𝑆𝑁 − 𝐼𝐷 and passes to the HSS. The HSS checks the third message first. Next, it generates a random number 𝑅𝐴𝑁𝐷 and sequence number 𝑆𝑄𝑁 and computes three parameters: authentication vector 𝐴𝑉, group information 𝐺𝐼𝑛𝑓𝑜 and group leader key 𝐺𝐿𝐾 . Then, it includes three parameters in the fourth message and sends to the MME. The MME sends the fifth message to the MTC devices via a broadcast channel in the LTE downlink channel. EPS-AKA Proposed protocol Total authentication overhead (sec) 35 30 25 20 15 10 5 0 0 20 40 60 80 100 The number of the MTC devices
Sample 1
Mutual Authentication Phase. In this phase, the user Ui uses his/her two devices to Thus, we can get the following: σ = Decsk(C2) mod q IDi = r1 · r2 · r−1
Sample 1

Related to Mutual Authentication Phase

  • Certificate of Authentication Only such Securities as shall bear thereon a certificate of authentication substantially in the form hereinbefore recited, executed by the Trustee by the manual signature of one of its authorized officers, shall be entitled to the benefits of this Indenture or be valid or obligatory for any purpose. The execution of such certificate by the Trustee upon any Security executed by the Issuer shall be conclusive evidence that the Security so authenticated has been duly authenticated and delivered hereunder and that the Holder is entitled to the benefits of this Indenture.

  • Authentication Date The Notes of this Series shall be dated the date of their authentication.

  • Form of Certificate of Authentication The Property Trustee’s certificate of authentication shall be in substantially the following form: This represents Preferred Securities referred to in the within-mentioned Trust Agreement. Dated: WILMINGTON TRUST COMPANY, not in its individual capacity, but solely as Property Trustee By: Authorized officer

  • Appointment of Authenticating Agents (a) The Certificate Administrator may appoint at its expense an Authenticating Agent, which shall be authorized to act on behalf of the Certificate Administrator in authenticating Certificates. The Certificate Administrator shall cause any such Authenticating Agent to execute and deliver to the Certificate Administrator an instrument in which such Authenticating Agent shall agree to act in such capacity, with the obligations and responsibilities herein. Each Authenticating Agent must be organized and doing business under the laws of the United States of America or of any State, authorized under such laws to carry on a trust business, have a combined capital and surplus of at least $15,000,000, and be subject to supervision or examination by federal or state authorities. Each Authenticating Agent shall be subject to the same obligations, standard of care, protection and indemnities as would be imposed on, or would protect, the Certificate Administrator hereunder. The appointment of an Authenticating Agent shall not relieve the Certificate Administrator from any of its obligations hereunder, and the Certificate Administrator shall remain responsible for all acts and omissions of the Authenticating Agent. In the absence of any other Person appointed in accordance herewith acting as Authenticating Agent, the Certificate Administrator hereby agrees to act in such capacity in accordance with the terms hereof. Notwithstanding anything herein to the contrary, if the Certificate Administrator is no longer the Authenticating Agent, any provision or requirement herein requiring notice or any information or documentation to be provided to the Authenticating Agent shall be construed to require that such notice, information or documentation also be provided to the Certificate Administrator.

  • TRUSTEE’S CERTIFICATE OF AUTHENTICATION This is one of the Securities of the series designated herein referred to in the within-mentioned Indenture. The Bank of New York Mellon Trust Company, N.A., as Trustee By Name: Title: Reverse of Security This Security is one of a duly authorized issue of securities of the Company (herein called the “Securities”), issued and to be issued in one or more series under an Indenture, dated as of March 8, 2002 (herein called the “Base Indenture”), among the Company, as Issuer, BP p.l.c., as Guarantor (herein called the “Guarantor”), and The Bank of New York Mellon Trust Company, N.A. (as successor to JPMorgan Chase Bank), as Trustee (herein called the “Trustee”, which term includes any successor trustee under the Indenture) (such Base Indenture as supplemented by the Thirty-First Supplemental Indenture, dated as of June 22, 2020 (the “Indenture”)) to which Indenture and all indentures supplemental thereto reference is hereby made for a statement of the respective rights, limitation of rights, duties and immunities thereunder of the Company, the Guarantor, the Trustee and the Holders of the Securities and of the terms upon which the Securities are, and are to be, authenticated and delivered. This Security is one of the series designated on the face hereof, initially limited to $2,500,000,000 in aggregate principal amount. The rate at which interest shall accrue on the unpaid principal amount of this Security for each Interest Period shall be the relevant Interest Rate (as defined below) for that Interest Period and payments of interest on this Security will include interest accrued to but excluding the respective Interest Payment Dates. Where it is necessary to calculate an amount of interest in respect of any Note for a period which is less than or equal to a complete Interest Period, such interest shall be calculated on the basis of a 360-day year consisting of 12 months of 30 days each and, in the case of an incomplete month, the number of days elapsed. This Security will accrue interest for each Interest Period at the rate of interest (i) for the period from, and including, the Issuance Date to, but excluding, the First Reset Date equal to 4.375% per annum; and (ii) from, and including, the First Reset Date, equal to the Five-Year Treasury Rate (as defined herein) in relation to that Reset Period (as defined herein) plus the Margin (as defined herein) applicable to that Reset Period (the “Interest Rate”).

  • Appointment of Authenticating Agent The Trustee may appoint an Authenticating Agent or Agents with respect to any series of Securities which shall be authorized to act on behalf of the Trustee to authenticate the Securities of such Series issued upon original issue and upon exchange, registration of transfer, partial conversion or partial redemption or pursuant to Section 3.06, and Securities of such series so authenticated shall be entitled to the benefits of this Indenture and shall be valid and obligatory for all purposes as if authenticated by the Trustee hereunder. Wherever reference is made in this Indenture to the authentication and delivery of Securities of such series by the Trustee or the Trustee’s certificate of authentication, such reference shall be deemed to include authentication and delivery on behalf of the Trustee by an Authenticating Agent so appointed with respect to such series and a certificate of authentication executed on behalf of the Trustee by an Authenticating Agent so appointed with respect to such series. Each Authenticating Agent shall be acceptable to the Company and shall at all times be a corporation organized and doing business under the laws of the United States of America, any State thereof or the District of Columbia, authorized under such laws to act as Authenticating Agent, having a combined capital and surplus of not less than $50,000,000 and subject to supervision or examination by Federal or State authority. If such Authenticating Agent publishes reports of condition at least annually pursuant to law or to the requirements of said supervising or examining authority, then for the purposes of this Section, the combined capital and surplus of such Authenticating Agent shall be deemed to be its combined capital and surplus as set forth in its most recent report of condition so published. If at any time an Authenticating Agent shall cease to be eligible in accordance with the provisions of this Section, such Authenticating Agent shall resign immediately in the manner and with the effect specified in this Section. Any corporation into which an Authenticating Agent may be merged or converted or with which it may be consolidated, or any corporation resulting from any merger, conversion or consolidation to which such Authenticating Agent shall be a party, or any corporation succeeding to the corporate agency or corporate trust business of an Authenticating Agent, shall continue to be an Authenticating Agent, provided such corporation shall be otherwise eligible under this Section, without the execution or filing of any paper or any further act on the part of the Trustee, the Company, the Authenticating Agent or such successor corporation. An Authenticating Agent may resign at any time by giving written notice thereof to the Trustee and to the Company. The Trustee may at any time terminate the agency of an Authenticating Agent by giving written notice thereof to such Authenticating Agent and to the Company. Upon receiving such a notice of resignation or upon such a termination, or in case at any time such Authenticating Agent shall cease to be eligible in accordance with the provisions of this Section, the Trustee may appoint a successor Authenticating Agent with respect to any series of Securities which shall be acceptable to the Company and shall give notice of such appointment to all Holders of Securities of such series in the manner provided in Section 1.06. Any successor Authenticating Agent upon acceptance of its appointment hereunder shall become vested with all rights, powers and duties of its predecessor hereunder, with like effect as if originally named as an Authenticating Agent. No successor Authenticating Agent shall be appointed unless eligible under the provisions of this Section. The Trustee agrees to pay to each Authenticating Agent from time to time reasonable compensation for its services under this Section, and the Trustee shall be entitled to be reimbursed by the Company for such payments, subject to the provisions of Section 6.07. If an appointment is made pursuant to this Section with respect to Securities of any series, the Securities of such series may have endorsed thereon, in addition to the Trustee’s certificate of authentication, an alternate certificate of authentication in the following form: This is one of the Securities of the series designated herein and referred to in the within-mentioned Indenture. [ ], AS TRUSTEE By: Authorized Signatory ARTICLE VII

  • Form of Trustee’s Certificate of Authentication The Trustee’s certificates of authentication shall be in substantially the following form: This is one of the Securities of the series designated herein referred to in the within-mentioned Indenture. [Trustee], as Trustee By: Authorized Officer

  • An Authenticating Agent may resign at any time by giving written notice thereof to the Trustee and the Company. The Trustee may at any time terminate the agency of an Authenticating Agent by giving written notice thereof to such Authenticating Agent and the Company. Upon receiving such a notice of resignation or upon such a termination, or in case at any time such Authenticating Agent shall cease to be eligible in accordance with the provisions of this Section, the Trustee may appoint a successor Authenticating Agent which shall be acceptable to the Company and shall mail written notice of such appointment by first-class mail, postage prepaid, to all Holders of Securities of the series with respect to which such Authenticating Agent will serve, as their names and addresses appear in the Security Register. Any successor Authenticating Agent upon acceptance of its appointment hereunder shall become vested with all the rights, powers and duties of its predecessor hereunder, with like effect as if originally named as an Authenticating Agent. No successor Authenticating Agent shall be appointed unless eligible under the provisions of this Section. The Company agrees to pay to each Authenticating Agent from time to time reasonable compensation for its services under this Section. If an appointment with respect to one or more series is made pursuant to this Section, the Securities of such series may have endorsed thereon, in addition to the Trustee's certificate of authentication, an alternate certificate of authentication in the following form: This is one of the Securities of the series designated therein referred to in the within-mentioned Indenture. By ------------------------------------------- The Bank of New York, as Trustee By ---------------------------------------------- As Authenticating Agent By ---------------------------------------------- Authorized Signatory ARTICLE SEVEN Holders' Lists and Reports by Trustee and Company Section 701. Company to Furnish Trustee Names and Addresses of Holders. The Company will furnish or cause to be furnished to the Trustee

  • Execution and Authentications The Securities shall be signed on behalf of the Company by one of its Officers. Signatures may be in the form of a manual or facsimile signature. The Company may use the facsimile signature of any Person who shall have been an Officer (at the time of execution), notwithstanding the fact that at the time the Securities shall be authenticated and delivered or disposed of such Person shall have ceased to be such an officer of the Company. The Securities may contain such notations, legends or endorsements required by law, stock exchange rule or usage. Each Security shall be dated the date of its authentication by the Trustee. A Security shall not be valid until authenticated manually by an authorized signatory of the Trustee, or by an Authenticating Agent. Such signature shall be conclusive evidence that the Security so authenticated has been duly authenticated and delivered hereunder and that the holder is entitled to the benefits of this Indenture. At any time and from time to time after the execution and delivery of this Indenture, the Company may deliver Securities of any series executed by the Company to the Trustee for authentication, together with a written order of the Company for the authentication and delivery of such Securities, signed by an Officer, and the Trustee in accordance with such written order shall authenticate and deliver such Securities. Upon the Company’s delivery of any such authentication order to the Trustee at any time after the initial issuance of Securities under this Indenture, the Trustee shall be provided with, and (subject to Sections 315(a) through 315(d) of the Trust Indenture Act) shall be fully protected in relying upon, (1) an Opinion of Counsel or reliance letter and (2) an Officer’s Certificate stating that all conditions precedent to the execution, authentication and delivery of such Securities are in conformity with the provisions of this Indenture. The Trustee shall not be required to authenticate such Securities if the issue of such Securities pursuant to this Indenture will affect the Trustee’s own rights, duties or immunities under the Securities and this Indenture or otherwise in a manner that is not reasonably acceptable to the Trustee.

  • Execution and Authentication of Certificates The Trustee acknowledges the assignment to it of the Mortgage Loans and the delivery of the Mortgage Files to it, or any Custodian on its behalf, subject to any exceptions noted, together with the assignment to it of all other assets included in the Trust Fund, receipt of which is hereby acknowledged. Concurrently with such delivery and in exchange therefor, the Trustee, pursuant to the written request of the Company executed by an officer of the Company has executed and caused to be authenticated and delivered to or upon the order of the Company the Certificates in authorized denominations which evidence ownership of the entire Trust Fund.

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