Authentication
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== Examples == | == Examples == | ||
- | * Authentication is important in connection with [http://en.wikipedia.org/wiki/Banknote | + | * 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.