# System.Security.Cryptography.Pkcs

```diff
  namespace System.Security.Cryptography.Pkcs
  {
      public sealed class CmsSigner
      {
+         [System.Diagnostics.CodeAnalysis.ExperimentalAttribute("SYSLIB5006", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")]
+         public CmsSigner(System.Security.Cryptography.Pkcs.SubjectIdentifierType signerIdentifierType, System.Security.Cryptography.X509Certificates.X509Certificate2? certificate, System.Security.Cryptography.CompositeMLDsa? privateKey);
+         [System.Diagnostics.CodeAnalysis.ExperimentalAttribute("SYSLIB5006", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")]
+         public CmsSigner(System.Security.Cryptography.Pkcs.SubjectIdentifierType signerIdentifierType, System.Security.Cryptography.X509Certificates.X509Certificate2? certificate, System.Security.Cryptography.MLDsa? privateKey);
+         [System.Diagnostics.CodeAnalysis.ExperimentalAttribute("SYSLIB5006", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")]
+         public CmsSigner(System.Security.Cryptography.Pkcs.SubjectIdentifierType signerIdentifierType, System.Security.Cryptography.X509Certificates.X509Certificate2? certificate, System.Security.Cryptography.SlhDsa? privateKey);
      }
      public sealed class Pkcs12CertBag : System.Security.Cryptography.Pkcs.Pkcs12SafeBag
      {
+         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser")]
  
          public System.Security.Cryptography.X509Certificates.X509Certificate2 GetCertificate();
      }
  }
```