Add reusable certificate and file validation helpers

Fix process-name ownership and module lookup outputs, add explicit SPKI hashing and bounded chain access, and improve WDM integration. Deprecate superseded entry points with migration guidance and align branch code and tests with the library style.

tests/run-common-tests.py

@@ -1,18 +1,35 @@
 """Run production export and file-read helpers with deterministic user-mode doubles."""
+
 from pathlib import Path
 import subprocess
 import tempfile
+
 root = Path(__file__).resolve().parents[1]
-source = (root / 'src/Domito.cpp').read_text(encoding='utf-8-sig')
-export_start = source.index('// This helper handles directory RVAs')
-export_end = source.index('_Success_', source.index('DomitoFindExportedFunctionAddress(') + 1)
-read_start = source.rfind('_Success_', 0, source.index('DomitoReadFileAt('))
-read_end = source.index('_Success_', source.index('DomitoReadFile(') + 1)
-with tempfile.TemporaryDirectory(prefix='domito-common-tests-') as temp:
+source = (root / "src/Domito.cpp").read_text(encoding="utf-8-sig")
+export_start = source.index("// This helper handles directory RVAs")
+export_end = source.index("_Success_", source.index("DomitoFindExportedFunctionAddress(") + 1)
+read_start = source.rfind("_Success_", 0, source.index("DomitoReadFileAt("))
+read_end = source.index("_Success_", source.index("DomitoReadFile(") + 1)
+with tempfile.TemporaryDirectory(prefix="domito-common-tests-") as temp:
     build = Path(temp)
-    (build / 'common-under-test.inc').write_text(source[export_start:export_end] + '\n' + source[read_start:read_end], encoding='utf-8')
-    exe = build / 'common-tests.exe'
-    subprocess.run(['cl', '/nologo', '/EHsc', '/W4', '/WX', '/std:c++17', '/I' + str(build),
-                    str(root / 'tests/common-tests.cpp'), '/Fe' + str(exe),
-                    '/Fo' + str(build / 'common-tests.obj')], cwd=build, check=True)
+    (build / "common-under-test.inc").write_text(
+        source[export_start:export_end] + "\n" + source[read_start:read_end], encoding="utf-8"
+    )
+    exe = build / "common-tests.exe"
+    subprocess.run(
+        [
+            "cl",
+            "/nologo",
+            "/EHsc",
+            "/W4",
+            "/WX",
+            "/std:c++17",
+            "/I" + str(build),
+            str(root / "tests/common-tests.cpp"),
+            "/Fe" + str(exe),
+            "/Fo" + str(build / "common-tests.obj"),
+        ],
+        cwd=build,
+        check=True,
+    )
     subprocess.run([str(exe)], cwd=build, check=True)