1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef NET_CERT_SHA256_LEGACY_SUPPORT_WIN_H_
6#define NET_CERT_SHA256_LEGACY_SUPPORT_WIN_H_
7
8#include <windows.h>
9#include <wincrypt.h>
10
11#include "net/base/net_export.h"
12
13namespace net {
14
15namespace sha256_interception {
16
17typedef BOOL (WINAPI* CryptVerifyCertificateSignatureExFunc)(
18    HCRYPTPROV_LEGACY provider,
19    DWORD encoding_type,
20    DWORD subject_type,
21    void* subject_data,
22    DWORD issuer_type,
23    void* issuer_data,
24    DWORD flags,
25    void* extra);
26
27// Interception function meant to be called whenever
28// CryptVerifyCertificateSignatureEx is called. Note that the calling
29// conventions do not match, as the caller is expected to ensure that their
30// interposed function handles the calling conventions and provides a pointer
31// to the original CryptVerifyCertificateSignatureEx (e.g. to handle parameters
32// and keys that are not supported).
33NET_EXPORT BOOL CryptVerifyCertificateSignatureExHook(
34    CryptVerifyCertificateSignatureExFunc original_func,
35    HCRYPTPROV_LEGACY provider,
36    DWORD encoding_type,
37    DWORD subject_type,
38    void* subject_data,
39    DWORD issuer_type,
40    void* issuer_data,
41    DWORD flags,
42    void* extra);
43
44}  // namespace sha256_interception
45
46}  // namespace net
47
48#endif  // NET_CERT_SHA256_LEGACY_SUPPORT_WIN_H_