Sebastian Lackner : wintrust: Create a dummy context to force creation of MachineGuid registry key.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: e5e05b971b64496d3967fc3f8b9cdf8d608d14a1
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=e5e05b971b64496d3967fc3f8b9cdf8d608d14a1

Author: Sebastian Lackner <sebastian at fds-team.de>
Date:   Fri Jul 31 08:07:33 2015 +0200

wintrust: Create a dummy context to force creation of MachineGuid registry key.

---

 dlls/wintrust/register.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/dlls/wintrust/register.c b/dlls/wintrust/register.c
index 9981fbc..303426c 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 +1079,11 @@ add_trust_providers:
      * a trust provider without a diagnostic policy).
      */
 
+    /* Create a dummy context to force creation of the MachineGuid registry key. */
+    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;