diff --git a/include/mscat.h b/include/mscat.h
index 7c5c86b71b0..6a718ef3d04 100644
--- a/include/mscat.h
+++ b/include/mscat.h
@@ -103,8 +103,10 @@ typedef struct CRYPTCATCDF_
 typedef void (WINAPI *PFN_CDF_PARSE_ERROR_CALLBACK)(DWORD, DWORD, WCHAR *);
 
 BOOL      WINAPI CryptCATAdminAcquireContext(HCATADMIN*,const GUID*,DWORD);
+BOOL      WINAPI CryptCATAdminAcquireContext2(HCATADMIN*,const GUID*,const WCHAR*,const CERT_STRONG_SIGN_PARA*,DWORD);
 HCATINFO  WINAPI CryptCATAdminAddCatalog(HCATADMIN,PWSTR,PWSTR,DWORD);
 BOOL      WINAPI CryptCATAdminCalcHashFromFileHandle(HANDLE,DWORD*,BYTE*,DWORD);
+BOOL      WINAPI CryptCATAdminCalcHashFromFileHandle2(HCATADMIN,HANDLE,DWORD*,BYTE*,DWORD);
 HCATINFO  WINAPI CryptCATAdminEnumCatalogFromHash(HCATADMIN,BYTE*,DWORD,DWORD,HCATINFO*);
 BOOL      WINAPI CryptCATAdminReleaseCatalogContext(HCATADMIN,HCATINFO,DWORD);
 BOOL      WINAPI CryptCATAdminReleaseContext(HCATADMIN,DWORD);