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

2006-07-25 20:59:12 +02:00 · 2006-07-25 20:59:12 +02:00 · dd6598b834
parent bf1ad6c324
commit dd6598b834
1 changed files with 6 additions and 1 deletions
--- a/dlls/rsaenh/rsaenh.c
+++ b/dlls/rsaenh/rsaenh.c
@ -2567,7 +2567,12 @@ BOOL WINAPI RSAENH_CPGetHashParam(HCRYPTPROV hProv, HCRYPTHASH hHash, DWORD dwPa
                return tls1_prf(hProv, pCryptHash->hKey, &pCryptHash->tpPRFParams.blobLabel,
                                &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;