<PackageReference Include="BouncyCastle.Cryptography" Version="2.8.0-beta.349" />

Org.BouncyCastle.X509.X509AttrCertParser

public class X509AttrCertParser
namespace Org.BouncyCastle.X509 { public class X509AttrCertParser { public X509V2AttributeCertificate ReadAttrCert(byte[] input); public IList<X509V2AttributeCertificate> ReadAttrCerts(byte[] input); public X509V2AttributeCertificate ReadAttrCert(Stream inStream); public IList<X509V2AttributeCertificate> ReadAttrCerts(Stream inStream); public IEnumerable<X509V2AttributeCertificate> ParseAttrCerts(Stream inStream); public X509AttrCertParser(); } }