Talk:Symmetric-key algorithm: Difference between revisions

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Isn't a one-time pad a symmetric cipher? If so it isn't mentioned here. [[User:RichardAlexanderHall|RichardAlexanderHall]] ([[User talk:RichardAlexanderHall|talk]]) 16:49, 4 August 2017 (UTC)

:Technically it is -- the keys on both sides are the same, however it is not really a practical example, since the shared secret is very large. Do you think it makes sense to use it as an example? [[User:Namnatulco|Namnatulco]] ([[User talk:Namnatulco|talk]]) 14:08, 9 August 2017 (UTC)

:: I agree that the one-time pad is a kind of symmetric cipher, and should be mentioned here. I see that it's currently very briefly mentioned. Perhaps a few more words may be useful.

:: I fail to see why [[User:Namnatulco|Namnatulco]] feels one-time pad is "not really practical", since the [[one-time pad]] article has a long list of examples of its use in practice -- clearly those users feel it is practical. --[[User:DavidCary|DavidCary]] ([[User talk:DavidCary|talk]]) 19:37, 30 July 2025 (UTC)

== About history and differences between algorithm and cryptography ==