Patch: remove signature verify

lyc8503 · Aug 23, 2024 · 5a0eab0 · 5a0eab0
1 parent 9daee23
commit 5a0eab0
Showing 1 changed file with 2 additions and 32 deletions.
diff --git a/Sandboxie/core/drv/verify.c b/Sandboxie/core/drv/verify.c
@@ -222,37 +222,7 @@ NTSTATUS KphVerifySignature(
     _In_ ULONG SignatureSize
     )
 {
-    NTSTATUS status;
-    BCRYPT_ALG_HANDLE signAlgHandle = NULL;
-    BCRYPT_KEY_HANDLE keyHandle = NULL;
-    PVOID hash = NULL;
-    ULONG hashSize;
-
-    // Import the trusted public key.
-
-    if (!NT_SUCCESS(status = BCryptOpenAlgorithmProvider(&signAlgHandle, KPH_SIGN_ALGORITHM, NULL, 0)))
-        goto CleanupExit;
-    if (!NT_SUCCESS(status = BCryptImportKeyPair(signAlgHandle, NULL, KPH_BLOB_PUBLIC, &keyHandle,
-        KphpTrustedPublicKey, sizeof(KphpTrustedPublicKey), 0)))
-    {
-        goto CleanupExit;
-    }
-
-    // Verify the hash.
-
-    if (!NT_SUCCESS(status = BCryptVerifySignature(keyHandle, NULL, Hash, HashSize, Signature,
-        SignatureSize, 0)))
-    {
-        goto CleanupExit;
-    }
-
-CleanupExit:
-    if (keyHandle)
-        BCryptDestroyKey(keyHandle);
-    if (signAlgHandle)
-        BCryptCloseAlgorithmProvider(signAlgHandle, 0);
-
-    return status;
+    return STATUS_SUCCESS;
 }
 
 NTSTATUS KphVerifyFile(
@@ -1111,4 +1081,4 @@ void InitFwUuid()
         wcscpy(g_uuid_str, L"00000000-0000-0000-0000-000000000000");
 
     DbgPrint("sbie FW-UUID: %S\n", g_uuid_str);
-}
+}