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I'm trying to test to see if FIPS-140-2 is correctly enabled with Windows Server 2016. Is there a Powershell command I could run to check if the feature is properly enabled, and not just set in the registry/group policy?

I don't want to check for the existence of the registry key or policy, I actually want to trigger a windows error that would lead me to believe its enabled vs a non-FIPS enabled server.

Thanks!


Thanks to @Eric Gibson's answer, I came up with:

$md5 = New-Object -TypeName System.Security.Cryptography.MD5CryptoServiceProvider

will result in

New-Object : Exception calling ".ctor" with "0" argument(s): "This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms."

Function Test-FipsEnabled {
    try {
        New-Object -TypeName System.Security.Cryptography.MD5CryptoServiceProvider
    } catch {
        return $true
    }

    return $false
}
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I'm pretty sure this is what you're looking for: https://technet.microsoft.com/en-us/library/cc750357.aspx#ID0EVE

Under the "System Integrators" portion is where Microsoft specifies where the "rubber meets the road" in FIPS compliance. If you're trying to automate some kind of auditing mechanism, that's a good place to start.

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