Make crypt functions more robust in case of incorrect api usage.

44cb0906 · Michael Jung · Alexandre Julliard · 962a5e77 · 44cb0906 · 44cb0906
Commit 44cb0906 authored Apr 11, 2005 by Michael Jung Committed by Alexandre Julliard Apr 11, 2005
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Showing with 66 additions and 19 deletions

crypt.c dlls/advapi32/crypt.c +63 -19

crypt.h dlls/advapi32/crypt.h +3 -0

crypt.c dlls/advapi32/tests/crypt.c +0 -0

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--- a/dlls/advapi32/crypt.c
+++ b/dlls/advapi32/crypt.c
--- a/dlls/advapi32/crypt.h
+++ b/dlls/advapi32/crypt.h
@@ -56,8 +56,11 @@ typedef struct tagPROVFUNCS
 	BOOL (WINAPI *pCPVerifySignature)(HCRYPTPROV hProv, HCRYPTHASH hHash, CONST BYTE *pbSignature, DWORD dwSigLen, HCRYPTKEY hPubKey, LPCWSTR sDescription, DWORD dwFlags);
 } PROVFUNCS, *PPROVFUNCS;

+#define MAGIC_CRYPTPROV 0xA39E741F
+
 typedef struct tagCRYPTPROV
 {
+	DWORD dwMagic;
 	UINT refcount;
 	HMODULE hModule;
 	PPROVFUNCS pFuncs;

--- a/dlls/advapi32/tests/crypt.c
+++ b/dlls/advapi32/tests/crypt.c