Authentication

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== Examples ==
== Examples ==
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* Authentication is important in connection with [http://en.wikipedia.org/wiki/Banknote Banknotes]. Paper money is useful only if it is not easily forgeable. In ideal case, it should be issued by a single trusted principal. The authentication can determine that this is the case.
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* Authentication is important in connection with [http://en.wikipedia.org/wiki/Banknote banknotes]. Paper money is useful only if it is not easily forgeable. In ideal case, it should be issued by a single trusted principal. The authentication can determine that this is the case.
* Authentication enables us to determine that a given principal probably issued a given document.
* Authentication enables us to determine that a given principal probably issued a given document.
* Authentication enables us to determine that a given principal probably published a given program.
* Authentication enables us to determine that a given principal probably published a given program.

Revision as of 09:15, 26 July 2009

Definition

Given one end of a communication channel, authentication procedure establishes which principal is probably at the other end.

Examples

  • Authentication is important in connection with banknotes. Paper money is useful only if it is not easily forgeable. In ideal case, it should be issued by a single trusted principal. The authentication can determine that this is the case.
  • Authentication enables us to determine that a given principal probably issued a given document.
  • Authentication enables us to determine that a given principal probably published a given program.
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