Changeset 21369 for trunk/src

Timestamp:

Apr 5, 2010, 8:58:35 PM (15 years ago)

Author:

vladest

Message:

Random function, required for security implemented

File:

• trunk/src/advapi32/crypt.c (modified) (2 diffs)

trunk/src/advapi32/crypt.c

@@ -1146 +1146 @@
 
         if (RegOpenKeyW(HKEY_LOCAL_MACHINE, providerW, &hKey))
-        {
-                SetLastError(NTE_FAIL);
-                return FALSE;
+        {
+            dprintf(("CryptEnumProvidersW error. cannot open key"));
+            SetLastError(NTE_FAIL);
+            return FALSE;
         }
 
@@ -2288 +2289 @@
 BOOL WINAPI SystemFunction036(PVOID pbBuffer, ULONG dwLen)
 {
-    int dev_random;
-#if 0
-    dev_random = open("/dev/urandom", O_RDONLY);
-    if (dev_random != -1)
+    char *rand_buf = (char*)pbBuffer;
+    int i;
+
+    if (!pbBuffer || dwLen <= 0)
     {
-        if (read(dev_random, pbBuffer, dwLen) == dwLen)
-        {
-            close(dev_random);
-            return TRUE;
-        }
-        close(dev_random);
+        dprintf(("SystemFunction036 error. cannot get random number length %d", dwLen));
+        SetLastError(NTE_FAIL);
+        return FALSE;
     }
-    else
-        FIXME("couldn't open /dev/urandom\n");
-#endif
-    SetLastError(NTE_FAIL);
-    return FALSE;
-}    
-    
+
+    for (i=0; i<dwLen; i++)
+    {
+        rand_buf[i] = (char)rand();
+    }
+    return TRUE;
+}
+
 /*
    These functions have nearly identical prototypes to CryptProtectMemory and CryptUnprotectMemory,