weird things can go wrong with asp.net core configuration



Been working on .net core configuration lately and take me a bit longer to wire up this up.

When you create the configuration, create a configuration that matches the entire appsettings.json file. For example,

We have a configuration called AppConfig which contains a property called BlommbergAimConfiguration.(highlighted in orange) Under this, we have some other tokens settings (highlighted in green)




Once you have this, as long as you call Configure(Configuration), any configuration will be populated accordingly.


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The specified initialization vector (IV) does not match the block size for this algorithm

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If you're getting  exception when trying to assigned key to a symmetric key and getting error message below :- The specified initialization vector (IV) does not match the block size for this algorithm And your code probably look like something below :- Then you need to go into debug mode and start looking into the supported size for IV as shown in diagram below :- As you can see, IV is 16 bytes, so you need to provide 16 bytes. The same goes for Key field too, if you're adding anything to it. As long as you provide a valid key size, then we're good and you're code will be ready.
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