crypt32: Fix reading key prov info from serialized data.

dlls/crypt32/cert.c

@@ -244,12 +244,7 @@ static BOOL WINAPI CertContext_GetProperty(void *context, DWORD dwPropId,
     return ret;
 }
 
-/* info is assumed to be a CRYPT_KEY_PROV_INFO, followed by its container name,
- * provider name, and any provider parameters, in a contiguous buffer, but
- * where info's pointers are assumed to be invalid.  Upon return, info's
- * pointers point to the appropriate memory locations.
- */
-static void CRYPT_FixKeyProvInfoPointers(PCRYPT_KEY_PROV_INFO info)
+void CRYPT_FixKeyProvInfoPointers(PCRYPT_KEY_PROV_INFO info)
 {
     DWORD i, containerLen, provNameLen;
     LPBYTE data = (LPBYTE)info + sizeof(CRYPT_KEY_PROV_INFO);

dlls/crypt32/crypt32_private.h

@@ -97,6 +97,14 @@ extern PCWINE_CONTEXT_INTERFACE pCTLInterface;
 const void *CRYPT_ReadSerializedElement(const BYTE *pbElement,
  DWORD cbElement, DWORD dwContextTypeFlags, DWORD *pdwContentType);
 
+/* Fixes up the the pointers in info, where info is assumed to be a
+ * CRYPT_KEY_PROV_INFO, followed by its container name, provider name, and any
+ * provider parameters, in a contiguous buffer, but where info's pointers are
+ * assumed to be invalid.  Upon return, info's pointers point to the
+ * appropriate memory locations.
+ */
+void CRYPT_FixKeyProvInfoPointers(PCRYPT_KEY_PROV_INFO info);
+
 DWORD CertStore_GetAccessState(HCERTSTORE hCertStore);
 
 /**

dlls/crypt32/serialize.c

@@ -363,6 +363,16 @@ const void *CRYPT_ReadSerializedElement(const BYTE *pbElement, DWORD cbElement,
                             ret = contextInterface->setProp(context,
                              hdr->propID, 0, pbElement);
                             break;
+                        case CERT_KEY_PROV_INFO_PROP_ID:
+                        {
+                            PCRYPT_KEY_PROV_INFO info =
+                             (PCRYPT_KEY_PROV_INFO)pbElement;
+
+                            CRYPT_FixKeyProvInfoPointers(info);
+                            ret = contextInterface->setProp(context,
+                             hdr->propID, 0, pbElement);
+                            break;
+                        }
                         default:
                             FIXME("prop ID %ld: stub\n", hdr->propID);
                         }