<PackageReference Include="BouncyCastle.Cryptography" Version="2.4.0" />

Org.BouncyCastle.Asn1.Esf.OtherSigningCertificate

public static OtherSigningCertificate GetInstance(object obj)

public static OtherSigningCertificate GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)

public OtherCertID[] GetCerts()