Samples should not use any of the following cryptography types: - [RC2](https://docs.microsoft.com/dotnet/api/system.security.cryptography.rc2) - [DES](https://docs.microsoft.com/dotnet/api/system.security.cryptography.des) - [TripleDES](https://docs.microsoft.com/dotnet/api/system.security.cryptography.tripledes) - [Rijndael](https://docs.microsoft.com/dotnet/api/system.security.cryptography.rijndael) As an alternative, they should reference [Aes](https://docs.microsoft.com/dotnet/api/system.security.cryptography.aes).