rsaenh: Fix the case when CPGetHashParam should return the size of the HASHVAL.

dd6598b8 · Karsten Elfenbein · Alexandre Julliard · bf1ad6c3 · dd6598b8
Commit dd6598b8 authored Jul 25, 2006 by Karsten Elfenbein Committed by Alexandre Julliard Jul 26, 2006
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rsaenh.c dlls/rsaenh/rsaenh.c +5 -0

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--- a/dlls/rsaenh/rsaenh.c
+++ b/dlls/rsaenh/rsaenh.c
@@ -2568,6 +2568,11 @@ BOOL WINAPI RSAENH_CPGetHashParam(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwPa
                                &pCryptHash->tpPRFParams.blobSeed, pbData, *pdwDataLen);
            }

+            if ( pbData == NULL ) {
+                *pdwDataLen = pCryptHash->dwHashSize;
+                return TRUE;
+            }
+
            if (pCryptHash->dwState == RSAENH_HASHSTATE_IDLE) {
                SetLastError(NTE_BAD_HASH_STATE);
                return FALSE;