[Bug 56305] New: CryptEnumProviders doesn't set pdwProvType when szProvName is NULL

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=56305

            Bug ID: 56305
           Summary: CryptEnumProviders doesn't set pdwProvType when
                    szProvName is NULL
           Product: Wine
           Version: 9.1
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: advapi32
          Assignee: wine-bugs(a)winehq.org
          Reporter: dm.klionsky(a)gmail.com
      Distribution: ---

The call like below doesn't changes dwType.

```
DWORD       dwIndex = 0;
DWORD       dwType = -1;
DWORD       cbName = -1;

CryptEnumProviders(dwIndex, NULL, 0, &dwType, NULL, &cbName);
```

At the same time the call like below does change dwType.

```
CryptEnumProviders(dwIndex, NULL, 0, &dwType, "Microsoft Base Cryptographic
Provider v1.0", &cbName);
```

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[Bug 56305] CryptEnumProviders doesn't set pdwProvType when szProvName is NULL

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=56305

--- Comment #1 from Dmitry Klionsky <dm.klionsky(a)gmail.com> ---
The whole point of this call 

```
CryptEnumProviders(dwIndex, NULL, 0, &dwType, NULL, &cbName);
```

is to iterate over all providers looking for a specific dwType.

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[Bug 56305] CryptEnumProviders doesn't set pdwProvType when szProvName is NULL

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=56305

--- Comment #2 from Dmitry Klionsky <dm.klionsky(a)gmail.com> ---
https://gitlab.winehq.org/wine/wine/-/merge_requests/5046

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