<PackageReference Include="NETStandard.Library" Version="2.0.0-preview2-25401-01" />

System.Security.Cryptography.AsymmetricSignatureFormatter

public abstract class AsymmetricSignatureFormatter
namespace System.Security.Cryptography { public abstract class AsymmetricSignatureFormatter { protected AsymmetricSignatureFormatter(); public abstract byte[] CreateSignature(byte[] rgbHash); public virtual byte[] CreateSignature(HashAlgorithm hash); public abstract void SetHashAlgorithm(string strName); public abstract void SetKey(AsymmetricAlgorithm key); } }