X-Git-Url: http://www.lcore.org/git/lcore.git/blobdiff_plain/9763940f8849e5c807566157829a1e6d2c9172ee..2ba734680253339d8b27208a1dfec5e2f220f3d8:/lcorernd.pas?ds=sidebyside

diff --git a/lcorernd.pas b/lcorernd.pas
index 7dbd7f1..6f1fe48 100644
--- a/lcorernd.pas
+++ b/lcorernd.pas
@@ -4,7 +4,9 @@
   ----------------------------------------------------------------------------- }
 
 unit lcorernd;
-
+{$ifdef fpc}
+  {$mode delphi}
+{$endif}
 interface
 
 {$include lcoreconfig.inc}
@@ -176,18 +178,35 @@ const
   halfhashsize=hashsize div 2;
   hashdwords=hashsize div wordsize;
   pooldwords=3*hashdwords;
-  seeddwords=32;
+  seeddwords=40;
   hashpasssize=48; {this number has to be small enough that hashing this size uses only one block transform}
 
 var
-  {the seed part of this buffer must be at least as big as the OS seed (windows: 104 bytes, unix: 36 bytes)}
+  //the seed part of this buffer must be at least as big as the OS seed (windows: 120 bytes for 32 bits, 160 bytes for 64 bits, unix: 36 bytes)
   pool:array[0..(pooldwords+seeddwords-1)] of wordtype;
   reseedcountdown:integer;
 
 {$ifdef mswindows}
+var
+  systemfunction036:function(var v; c:cardinal): boolean;  stdcall;
+  rtlgenrandominited:boolean;
+
+procedure initrtlgenrandom;
+var
+  h:thandle;
+begin
+  rtlgenrandominited := true;
+  systemfunction036 := nil;  
+  h := loadlibrary('advapi32.dll');
+  if (h <> 0) then begin
+    systemfunction036 := GetProcAddress(h,'SystemFunction036');
+  end;
+end;
+
 function collect_seeding(var output;const bufsize:integer):integer;
 var
   l:packed record
+    rtlgenrandom:array[0..3] of longint;
     guid:array[0..3] of longint;
     qpcbuf:array[0..1] of longint;
     rdtscbuf:array[0..1] of longint;
@@ -221,6 +240,10 @@ begin
   getcursorpos(l.cursor);
 
   l.hs := getheapstatus;
+
+  {rtlgenrandom}
+  if not rtlgenrandominited then initrtlgenrandom;
+  if assigned(@systemfunction036) then systemfunction036(l.rtlgenrandom,sizeof(l.rtlgenrandom));
 end;
 {$endif}