Use alternative approach to create MachineGuid registry key during wineprefix startup.

patches/wintrust-MachineGuid/0001-wintrust-Create-a-dummy-context-to-force-creation-of.patch

@@ -0,0 +1,39 @@
+From 8c028847d81f5dbd4ffc7f56e21b9a4141eef89e Mon Sep 17 00:00:00 2001
+From: Sebastian Lackner <sebastian@fds-team.de>
+Date: Fri, 31 Jul 2015 05:43:45 +0200
+Subject: wintrust: Create a dummy context to force creation of MachineGuid
+ registry key.
+
+---
+ dlls/wintrust/register.c | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/dlls/wintrust/register.c b/dlls/wintrust/register.c
+index 9981fbc..0dbb99c 100644
+--- a/dlls/wintrust/register.c
++++ b/dlls/wintrust/register.c
+@@ -960,6 +960,8 @@ HRESULT WINAPI DllRegisterServer(void)
+     HRESULT CryptRegisterRes = S_OK;
+     HRESULT TrustProviderRes = S_OK;
+     HRESULT SIPAddProviderRes = S_OK;
++    HCRYPTPROV crypt_provider;
++    BOOL ret;
+ 
+     TRACE("\n");
+ 
+@@ -1077,6 +1079,12 @@ add_trust_providers:
+      * a trust provider without a diagnostic policy).
+      */
+ 
++    /* Acquire a dummy context to ensure that the MachineGuid registry key
++     * is created immediately after the creation of a new Wineprefix. */
++    ret = CryptAcquireContextW(&crypt_provider, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT);
++    if (ret) CryptReleaseContext(crypt_provider, 0);
++    else ERR("Failed to acquire cryptographic context: %u\n", GetLastError());
++
+     /* If CryptRegisterRes is not S_OK it will always overrule the return value. */
+     if (CryptRegisterRes != S_OK)
+         return CryptRegisterRes;
+-- 
+2.5.0
+

patches/wintrust-MachineGuid/definition

@@ -0,0 +1 @@
+Fixes: [38508] Create HKLM\Software\Microsoft\Cryptography\MachineGuid registry key