Daily Archives: December 23, 2019

Double Check Your Math

Performing calculations in our applications is important. In fact, if we do any sort of math, we really want to ensure that our results are what we expect. That seems obvious, but I’ve run into applications where the code deployed … Continue reading

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Backwards Compatible Symmetric Keys in SQL Server 2017+

I discovered recently that there was a change made in SQL Server 2017 to the way that symmetric key passphrases are hashed. There’s a KB article that notes the fix, but basically the passphrases used to be encrypted with SHA1. … Continue reading

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