X-Git-Url: http://www.lcore.org/git/lcore.git/blobdiff_plain/6dc5aa808483fdb8531afc990f26f1138bf2ddac..a77cd534c22418ec9a8a22ae42efef1a9500b193:/fastmd5.pas

diff --git a/fastmd5.pas b/fastmd5.pas
index 6f2d66f..ad19876 100644
--- a/fastmd5.pas
+++ b/fastmd5.pas
@@ -57,6 +57,8 @@ procedure getmd5(const data;len:longint;var result);
 
 function md5tostr(const md5:tmd5):ansistring;
 
+function md5selftest:boolean;
+
 implementation
 
 function inttohex(val,bits:integer):ansistring;
@@ -211,7 +213,7 @@ begin
   b := state.msglen and 63;
 
   inc(state.msglen,len);
-  while (state.msglen > $20000000) do begin
+  while (state.msglen >= $20000000) do begin
     dec(state.msglen,$20000000);
     inc(state.msglenhi);
   end;
@@ -294,4 +296,18 @@ begin
   md5tostr := s;
 end;
 
+function md5selftest;
+const
+  teststring:ansistring='The quick brown fox jumps over the lazy dog';
+  testresult:array[0..15] of byte=($9e,$10,$7d,$9d,$37,$2b,$b6,$82,$6b,$d8,$1d,$35,$42,$a4,$19,$d6);
+var
+  h:tmd5;
+  a:integer;
+begin
+  getmd5(teststring[1],length(teststring),h);
+  result := true;
+  for a := 0 to 15 do if h[a] <> ord(testresult[a]) then result := false;
+end;
+
+
 end.