Index: crypto/capi_util.h |
=================================================================== |
--- crypto/capi_util.h (revision 0) |
+++ crypto/capi_util.h (revision 0) |
@@ -0,0 +1,32 @@ |
+// Copyright (c) 2011 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef CRYPTO_CAPI_UTIL_H_ |
+#define CRYPTO_CAPI_UTIL_H_ |
+#pragma once |
+ |
+#include <windows.h> |
+#include <wincrypt.h> |
+ |
+namespace crypto { |
+ |
+// CryptAcquireContext when passed CRYPT_NEWKEYSET or CRYPT_DELETEKEYSET in |
+// flags is not thread-safe. For such calls, we create a global lock to |
+// synchronize it. |
+// |
+// From "Threading Issues with Cryptographic Service Providers", |
+// <http://msdn.microsoft.com/en-us/library/aa388149(v=VS.85).aspx>: |
+// |
+// "The CryptAcquireContext function is generally thread safe unless |
+// CRYPT_NEWKEYSET or CRYPT_DELETEKEYSET is specified in the dwFlags |
+// parameter." |
+BOOL CryptAcquireContextLocked(HCRYPTPROV* prov, |
+ LPCWSTR container, |
+ LPCWSTR provider, |
+ DWORD prov_type, |
+ DWORD flags); |
+ |
+} // namespace crypto |
+ |
+#endif // CRYPTO_CAPI_UTIL_H_ |
Property changes on: crypto\capi_util.h |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |