Add post-quantum cryptography support with PqSoftCryptoProvider

- Implemented PqSoftCryptoProvider for software-only post-quantum algorithms (Dilithium3, Falcon512) using BouncyCastle.
- Added PqSoftProviderOptions and PqSoftKeyOptions for configuration.
- Created unit tests for Dilithium3 and Falcon512 signing and verification.
- Introduced EcdsaPolicyCryptoProvider for compliance profiles (FIPS/eIDAS) with explicit allow-lists.
- Added KcmvpHashOnlyProvider for KCMVP baseline compliance.
- Updated project files and dependencies for new libraries and testing frameworks.

src/Scanner/__Libraries/StellaOps.Scanner.Analyzers.Lang.Python/Internal/PythonContainerAdapter.cs

@@ -147,7 +147,7 @@ internal static class PythonContainerAdapter
 
         foreach (var sitePackages in DiscoverLayerSitePackages(rootPath))
         {
-            foreach (var distInfo in EnumerateDistInfoDirectories(sitePackages))
+            foreach (var distInfo in EnumerateMetadataDirectories(sitePackages))
             {
                 discovered.Add(distInfo);
             }
@@ -156,7 +156,7 @@ internal static class PythonContainerAdapter
         // Also check root-level site-packages
         foreach (var sitePackages in DiscoverSitePackagesInDirectory(rootPath))
         {
-            foreach (var distInfo in EnumerateDistInfoDirectories(sitePackages))
+            foreach (var distInfo in EnumerateMetadataDirectories(sitePackages))
             {
                 discovered.Add(distInfo);
             }
@@ -167,30 +167,33 @@ internal static class PythonContainerAdapter
             .ToArray();
     }
 
-    private static IEnumerable<string> EnumerateDistInfoDirectories(string sitePackages)
+    private static IEnumerable<string> EnumerateMetadataDirectories(string sitePackages)
     {
         if (!Directory.Exists(sitePackages))
         {
             yield break;
         }
 
-        IEnumerable<string>? directories = null;
-        try
+        foreach (var pattern in new[] { "*.dist-info", "*.egg-info" })
         {
-            directories = Directory.EnumerateDirectories(sitePackages, "*.dist-info");
-        }
-        catch (IOException)
-        {
-            yield break;
-        }
-        catch (UnauthorizedAccessException)
-        {
-            yield break;
-        }
+            IEnumerable<string>? directories = null;
+            try
+            {
+                directories = Directory.EnumerateDirectories(sitePackages, pattern);
+            }
+            catch (IOException)
+            {
+                continue;
+            }
+            catch (UnauthorizedAccessException)
+            {
+                continue;
+            }
 
-        foreach (var directory in directories)
-        {
-            yield return directory;
+            foreach (var directory in directories)
+            {
+                yield return directory;
+            }
         }
     }
 

src/Scanner/__Libraries/StellaOps.Scanner.Analyzers.Lang.Python/PythonLanguageAnalyzer.cs

@@ -291,22 +291,8 @@ public sealed class PythonLanguageAnalyzer : ILanguageAnalyzer
     {
         var directories = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
 
-        // Collect from root path recursively
-        try
-        {
-            foreach (var dir in Directory.EnumerateDirectories(rootPath, "*.dist-info", Enumeration))
-            {
-                directories.Add(dir);
-            }
-        }
-        catch (IOException)
-        {
-            // Ignore enumeration errors
-        }
-        catch (UnauthorizedAccessException)
-        {
-            // Ignore access errors
-        }
+        AddMetadataDirectories(rootPath, "*.dist-info", directories);
+        AddMetadataDirectories(rootPath, "*.egg-info", directories);
 
         // Also collect from OCI container layers
         foreach (var dir in PythonContainerAdapter.DiscoverDistInfoDirectories(rootPath))
@@ -317,5 +303,24 @@ public sealed class PythonLanguageAnalyzer : ILanguageAnalyzer
         return directories
             .OrderBy(static path => path, StringComparer.Ordinal)
             .ToArray();
+
+        static void AddMetadataDirectories(string basePath, string pattern, ISet<string> accumulator)
+        {
+            try
+            {
+                foreach (var dir in Directory.EnumerateDirectories(basePath, pattern, Enumeration))
+                {
+                    accumulator.Add(dir);
+                }
+            }
+            catch (IOException)
+            {
+                // Ignore enumeration errors
+            }
+            catch (UnauthorizedAccessException)
+            {
+                // Ignore access errors
+            }
+        }
     }
 }