Can't find RNGCryptoServiceProvider

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1

I need to generate a random number in a byte array, and I would like to use the RNGCryptoServiceProvider.GetBytes method.

According to the Microsoft library documentation, this class is supposed to be here:

[quote]Namespace: System.Security.Cryptography
Assembly: Microsoft.SPOT.Security.PKCS11 (in microsoft.spot.security.pkcs11.dll)[/quote]

But when I add this reference and using statement, it is not there.
What am I doing wrong?

2

Thanks andre. I needed to add the System.Security reference.