<PackageReference Include="BouncyCastle.Cryptography" Version="2.6.1" />

CmsEnvelopedData

public class CmsEnvelopedData
public ContentInfo ContentInfo { get; }

public string EncryptionAlgOid { get; }

public EnvelopedData EnvelopedData { get; }

public CmsEnvelopedData(byte[] envelopedData)

public CmsEnvelopedData(Stream envelopedData)

public CmsEnvelopedData(ContentInfo contentInfo)

public byte[] GetEncoded()