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key authentication

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  • Key authentication — is a problem that arises when using public key cryptography. It is the process of assuring that the public key of person A held by person B does in fact belong to person A .In traditional symmetric key cryptography, this problem wasn t an issue… …   Wikipedia

  • Key (cryptography) — In cryptography, a key is a piece of information (a parameter) that determines the functional output of a cryptographic algorithm or cipher. Without a key, the algorithm would produce no useful result. In encryption, a key specifies the… …   Wikipedia

  • Authentication — (from Greek αυθεντικός; real or genuine, from authentes; author) is the act of establishing or confirming something (or someone) as authentic , that is, that claims made by or about the thing are true. This might involve confirming the identity… …   Wikipedia

  • Key exchange — is any method in cryptography by which cryptographic keys are exchanged between users, allowing use of a cryptographic algorithm. If Alice and Bob wish to exchange encrypted messages, each must be equipped to decrypt received messages and to… …   Wikipedia

  • Authentication server — Authentication servers are servers that provide authentication services to users or other systems. Users and other servers authenticate to such a server, and receive cryptographic tickets. These tickets are then exchanged with one another to… …   Wikipedia

  • Key Wrap — constructions are a class of symmetric encryption algorithms designed to encapsulate (encrypt) cryptographic key material. The Key Wrap algorithms are intended for applications such as (a) protecting keys while in untrusted storage, or (b)… …   Wikipedia

  • Authentication Header — IPsec im TCP/IP‑Protokollstapel: Anwendung HTTP IMAP SMTP DNS … Transport TCP UDP …   Deutsch Wikipedia

  • Key-agreement protocol — In cryptography, a key agreement protocol is a protocol whereby two or more parties can agree on a key in such a way that both influence the outcome. If properly done, this precludes undesired third parties from forcing a key choice on the… …   Wikipedia

  • Key selection vector — The Key Selection Vector means the numerical associated with a Device Key Set and distributed by Licensor or its designee to Adopters and used to support authentication of Licensed Products and Revocation. It is considered a confidential set of… …   Wikipedia

  • Authentication key identifier —   An ISO term.   ISO Message Authentication term. ISO Key Management term. The identification of the cryptographic key to be used for authentication.   ISO Key Management term. The key identifier of a key to be used in the authentication of a… …   International financial encyclopaedia

  • Authentication key —   An ISO term. A cryptographic key used for authentication. When this key and the elements to be authenticated (authentication elements) are applied to the authentication algorithm, the result will be the message authentication code (MAC) or the… …   International financial encyclopaedia

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