vendor: import KillerPDF 1.7.5 source (GPL-3.0) as the base for MMD PDF

2026-08-27 06:58:22 +02:00
commit 532485a830
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+using System.IO;
+using System.Security.Cryptography.X509Certificates;
+
+namespace KillerPDF.Services.Signing
+{
+    /// <summary>
+    /// Loads a signing certificate from a .pfx / .p12 file plus its password. Fully cross-platform,
+    /// so this is the default certificate source on every OS.
+    /// </summary>
+    internal sealed class PfxFileCertificateProvider(string path, string password) : ICertificateProvider
+    {
+        public string DisplayName => Path.GetFileName(path);
+
+        public X509Certificate2 GetCertificate()
+            // Exportable so a Bouncy Castle signer can later pull the private key to build the CMS.
+            // (EphemeralKeySet is intentionally not used - it does not exist on .NET Framework.)
+            => new(path, password,
+                   X509KeyStorageFlags.Exportable | X509KeyStorageFlags.PersistKeySet);
+    }
+}