<PackageReference Include="BouncyCastle.Cryptography" Version="2.6.2" />

Org.BouncyCastle.Cms.Pkcs5Scheme2PbeKey

public class Pkcs5Scheme2PbeKey : CmsPbeKey
PKCS5 scheme-2 - password converted to bytes assuming ASCII.
namespace Org.BouncyCastle.Cms { public class Pkcs5Scheme2PbeKey : CmsPbeKey { public Pkcs5Scheme2PbeKey(char[] password, byte[] salt, int iterationCount); public Pkcs5Scheme2PbeKey(char[] password, AlgorithmIdentifier keyDerivationAlgorithm); } }