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kotlinlang

Hi, I'm confused when trying to use Digest authentication with UserHashedTableAuth, I have a few questions <https://ktor.io/docs/basic.html#validate-user-hash|from the example> :
• What type of string should I return inside the `getDigestFunction` lambda ? Is it a private environment variable or just a random pre-defined word ?
• How should I use the `digestFunction` function, should I only use it with a `password` argument ?
• How can I use the `UserHashedTableAuth` with a database ? Should I get all current users mapped as `"username" to digestFunction(userPassword)` ? But how can I make this efficient with large scale ?

&gt; What type of string should I return inside the `getDigestFunction` lambda ? Is it a private environment variable or just a random pre-defined word?
A <https://en.wikipedia.org/wiki/Salt_(cryptography)|random pre-defined data>.
&gt; How should I use the `digestFunction` function, should I only use it with a `password` argument ?
You can use this function to get the hash of a password
&gt; How can I use the `UserHashedTableAuth` with a database ? Should I get all current users mapped as `"username" to digestFunction(userPassword)` ? But how can I make this efficient with large scale ?
I don't think you should use `UserHashedTableAuth` if the hashes of passwords are stored in a database.