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 Deprecate superseded entry points with migration guidance and align branch code and tests with the library style.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/mincrypt-layout-tests.cpp

@@ -4,19 +4,49 @@
 
 #if NTDDI_VERSION >= NTDDI_WIN10
 C_ASSERT(sizeof(MINCRYPT_POLICY_INFO) == 48);
-C_ASSERT(FIELD_OFFSET(MINCRYPT_POLICY_INFO, VerificationStatus) == 4);
-C_ASSERT(FIELD_OFFSET(MINCRYPT_POLICY_INFO, ChainInfo) == 16);
-C_ASSERT(FIELD_OFFSET(MINCRYPT_POLICY_INFO, NotBefore) == 32);
+C_ASSERT(
+    FIELD_OFFSET(
+        MINCRYPT_POLICY_INFO,
+        VerificationStatus
+    ) == 4
+);
+C_ASSERT(
+    FIELD_OFFSET(
+        MINCRYPT_POLICY_INFO,
+        ChainInfo
+    ) == 16
+);
+C_ASSERT(
+    FIELD_OFFSET(
+        MINCRYPT_POLICY_INFO,
+        NotBefore
+    ) == 32
+);
 C_ASSERT(sizeof(MINCRYPT_CHAIN_INFO) == 72);
-C_ASSERT(FIELD_OFFSET(MINCRYPT_CHAIN_INFO, ChainElements) == 40);
-C_ASSERT(FIELD_OFFSET(MINCRYPT_CHAIN_INFO, AuthenticodeAttributes) == 56);
+C_ASSERT(
+    FIELD_OFFSET(
+        MINCRYPT_CHAIN_INFO,
+        ChainElements
+    ) == 40
+);
+C_ASSERT(
+    FIELD_OFFSET(
+        MINCRYPT_CHAIN_INFO,
+        AuthenticodeAttributes
+    ) == 56
+);
 #else
 C_ASSERT(sizeof(MINCRYPT_POLICY_INFO) == 32);
 C_ASSERT(sizeof(MINCRYPT_CHAIN_INFO) == 40);
 #endif
 C_ASSERT(sizeof(MINCRYPT_NAME_BLOB) == 16);
 C_ASSERT(sizeof(MINCRYPT_CHAIN_ELEMENT) == 120);
-C_ASSERT(FIELD_OFFSET(MINCRYPT_CHAIN_ELEMENT, Certificate) == 104);
+C_ASSERT(
+    FIELD_OFFSET(
+        MINCRYPT_CHAIN_ELEMENT,
+        Certificate
+    ) == 104
+);
 
 #if defined(_M_AMD64)
 // These opt-in declarations establish observations only for the named x64 build.