diff --git a/visualc/_build_all.dsp b/visualc/_build_all.dsp
deleted file mode 100644
index 15663bf..0000000
--- a/visualc/_build_all.dsp
+++ /dev/null
@@ -1,63 +0,0 @@
-# Microsoft Developer Studio Project File - Name="_build_all" - Package Owner=<4>
-# Microsoft Developer Studio Generated Build File, Format Version 6.00
-# ** DO NOT EDIT **
-
-# TARGTYPE "Win32 (x86) Generic Project" 0x010a
-
-CFG=_build_all - Win32 Debug
-!MESSAGE This is not a valid makefile. To build this project using NMAKE,
-!MESSAGE use the Export Makefile command and run
-!MESSAGE 
-!MESSAGE NMAKE /f "_build_all.mak".
-!MESSAGE 
-!MESSAGE You can specify a configuration when running NMAKE
-!MESSAGE by defining the macro CFG on the command line. For example:
-!MESSAGE 
-!MESSAGE NMAKE /f "_build_all.mak" CFG="_build_all - Win32 Debug"
-!MESSAGE 
-!MESSAGE Possible choices for configuration are:
-!MESSAGE 
-!MESSAGE "_build_all - Win32 Release" (based on "Win32 (x86) Generic Project")
-!MESSAGE "_build_all - Win32 Debug" (based on "Win32 (x86) Generic Project")
-!MESSAGE 
-
-# Begin Project
-# PROP AllowPerConfigDependencies 0
-# PROP Scc_ProjName ""
-# PROP Scc_LocalPath ""
-MTL=midl.exe
-
-!IF  "$(CFG)" == "_build_all - Win32 Release"
-
-# PROP BASE Use_MFC 0
-# PROP BASE Use_Debug_Libraries 0
-# PROP BASE Output_Dir ""
-# PROP BASE Intermediate_Dir "temp"
-# PROP BASE Target_Dir ""
-# PROP Use_MFC 0
-# PROP Use_Debug_Libraries 0
-# PROP Output_Dir ""
-# PROP Intermediate_Dir "temp"
-# PROP Target_Dir ""
-
-!ELSEIF  "$(CFG)" == "_build_all - Win32 Debug"
-
-# PROP BASE Use_MFC 0
-# PROP BASE Use_Debug_Libraries 1
-# PROP BASE Output_Dir ""
-# PROP BASE Intermediate_Dir "temp"
-# PROP BASE Target_Dir ""
-# PROP Use_MFC 0
-# PROP Use_Debug_Libraries 1
-# PROP Output_Dir ""
-# PROP Intermediate_Dir "temp"
-# PROP Target_Dir ""
-
-!ENDIF 
-
-# Begin Target
-
-# Name "_build_all - Win32 Release"
-# Name "_build_all - Win32 Debug"
-# End Target
-# End Project
diff --git a/visualc/polarssl.dsp b/visualc/polarssl.dsp
index 70b6a28..0c2e7f8 100644
--- a/visualc/polarssl.dsp
+++ b/visualc/polarssl.dsp
@@ -63,8 +63,8 @@
 # PROP Output_Dir ""
 # PROP Intermediate_Dir "temp"
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /W3 /Gm /GX /Z7 /Od /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB" /YX /FD /GZ /c
-# ADD CPP /nologo /W3 /Gm /GX /Z7 /Od /I "../include" /D "_DEBUG" /D "WIN32" /D "_MBCS" /D "_LIB" /YX /FD /GZ /c
+# ADD BASE CPP /nologo /W3 /GX /Z7 /Od /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB" /YX /FD /GZ /c
+# ADD CPP /nologo /W3 /GX /Z7 /Od /I "../include" /D "_DEBUG" /D "WIN32" /D "_MBCS" /D "_LIB" /YX /FD /GZ /c
 # ADD BASE RSC /l 0x40c /d "_DEBUG"
 # ADD RSC /l 0x40c /d "_DEBUG"
 BSC32=bscmake.exe
@@ -89,10 +89,6 @@
 # End Source File
 # Begin Source File
 
-SOURCE=..\library\camellia.c
-# End Source File
-# Begin Source File
-
 SOURCE=..\library\arc4.c
 # End Source File
 # Begin Source File
@@ -105,6 +101,10 @@
 # End Source File
 # Begin Source File
 
+SOURCE=..\library\camellia.c
+# End Source File
+# Begin Source File
+
 SOURCE=..\library\certs.c
 # End Source File
 # Begin Source File
@@ -179,6 +179,10 @@
 
 SOURCE=..\library\x509parse.c
 # End Source File
+# Begin Source File
+
+SOURCE=..\library\xtea.c
+# End Source File
 # End Group
 # Begin Group "Header Files"
 
@@ -189,10 +193,6 @@
 # End Source File
 # Begin Source File
 
-SOURCE=..\include\polarssl\camellia.h
-# End Source File
-# Begin Source File
-
 SOURCE=..\include\polarssl\arc4.h
 # End Source File
 # Begin Source File
@@ -209,6 +209,10 @@
 # End Source File
 # Begin Source File
 
+SOURCE=..\include\polarssl\camellia.h
+# End Source File
+# Begin Source File
+
 SOURCE=..\include\polarssl\certs.h
 # End Source File
 # Begin Source File
@@ -279,6 +283,10 @@
 
 SOURCE=..\include\polarssl\x509.h
 # End Source File
+# Begin Source File
+
+SOURCE=..\include\polarssl\xtea.h
+# End Source File
 # End Group
 # End Target
 # End Project
diff --git a/visualc/polarssl.dsw b/visualc/polarssl.dsw
new file mode 100755
index 0000000..8d3694a
--- /dev/null
+++ b/visualc/polarssl.dsw
@@ -0,0 +1,296 @@
+Microsoft Developer Studio Workspace File, Format Version 6.00
+# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE!
+
+###############################################################################
+
+Project: "aescrypt2"=.\aescrypt2.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+    Begin Project Dependency
+    Project_Dep_Name polarssl
+    End Project Dependency
+}}}
+
+###############################################################################
+
+Project: "benchmark"=.\benchmark.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+    Begin Project Dependency
+    Project_Dep_Name polarssl
+    End Project Dependency
+}}}
+
+###############################################################################
+
+Project: "dh_client"=.\dh_client.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+    Begin Project Dependency
+    Project_Dep_Name polarssl
+    End Project Dependency
+}}}
+
+###############################################################################
+
+Project: "dh_genprime"=.\dh_genprime.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+    Begin Project Dependency
+    Project_Dep_Name polarssl
+    End Project Dependency
+}}}
+
+###############################################################################
+
+Project: "dh_server"=.\dh_server.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+    Begin Project Dependency
+    Project_Dep_Name polarssl
+    End Project Dependency
+}}}
+
+###############################################################################
+
+Project: "hello"=.\hello.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+}}}
+
+###############################################################################
+
+Project: "md5sum"=.\md5sum.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+    Begin Project Dependency
+    Project_Dep_Name polarssl
+    End Project Dependency
+}}}
+
+###############################################################################
+
+Project: "mpi_demo"=.\mpi_demo.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+    Begin Project Dependency
+    Project_Dep_Name polarssl
+    End Project Dependency
+}}}
+
+###############################################################################
+
+Project: "polarssl"=.\polarssl.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+}}}
+
+###############################################################################
+
+Project: "rsa_genkey"=.\rsa_genkey.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+    Begin Project Dependency
+    Project_Dep_Name polarssl
+    End Project Dependency
+}}}
+
+###############################################################################
+
+Project: "rsa_sign"=.\rsa_sign.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+    Begin Project Dependency
+    Project_Dep_Name polarssl
+    End Project Dependency
+}}}
+
+###############################################################################
+
+Project: "rsa_verify"=.\rsa_verify.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+    Begin Project Dependency
+    Project_Dep_Name polarssl
+    End Project Dependency
+}}}
+
+###############################################################################
+
+Project: "selftest"=.\selftest.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+    Begin Project Dependency
+    Project_Dep_Name polarssl
+    End Project Dependency
+}}}
+
+###############################################################################
+
+Project: "sha1sum"=.\sha1sum.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+    Begin Project Dependency
+    Project_Dep_Name polarssl
+    End Project Dependency
+}}}
+
+###############################################################################
+
+Project: "sha2sum"=.\sha2sum.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+    Begin Project Dependency
+    Project_Dep_Name polarssl
+    End Project Dependency
+}}}
+
+###############################################################################
+
+Project: "ssl_cert_test"=.\ssl_cert_test.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+    Begin Project Dependency
+    Project_Dep_Name polarssl
+    End Project Dependency
+}}}
+
+###############################################################################
+
+Project: "ssl_client1"=.\ssl_client1.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+    Begin Project Dependency
+    Project_Dep_Name polarssl
+    End Project Dependency
+}}}
+
+###############################################################################
+
+Project: "ssl_client2"=.\ssl_client2.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+    Begin Project Dependency
+    Project_Dep_Name polarssl
+    End Project Dependency
+}}}
+
+###############################################################################
+
+Project: "ssl_server"=.\ssl_server.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+    Begin Project Dependency
+    Project_Dep_Name polarssl
+    End Project Dependency
+}}}
+
+###############################################################################
+
+Global:
+
+Package=<5>
+{{{
+}}}
+
+Package=<3>
+{{{
+}}}
+
+###############################################################################
+
diff --git a/visualc/selftest.dsp b/visualc/selftest.dsp
index 05217b7..ae20dbf 100644
--- a/visualc/selftest.dsp
+++ b/visualc/selftest.dsp
@@ -48,8 +48,8 @@
 # ADD BASE BSC32 /nologo
 # ADD BSC32 /nologo
 LINK32=link.exe
-# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib  kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386
-# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib  kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386
 
 !ELSEIF  "$(CFG)" == "selftest - Win32 Debug"
 
@@ -62,17 +62,18 @@
 # PROP Use_Debug_Libraries 1
 # PROP Output_Dir ""
 # PROP Intermediate_Dir "temp"
+# PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /W3 /Gm /GX /Z7 /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ  /c
-# ADD CPP /nologo /W3 /Gm /GX /Z7 /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ  /c
+# ADD BASE CPP /nologo /W3 /GX /Z7 /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c
+# ADD CPP /nologo /W3 /GX /Z7 /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c
 # ADD BASE RSC /l 0x40c /d "_DEBUG"
 # ADD RSC /l 0x40c /d "_DEBUG"
 BSC32=bscmake.exe
 # ADD BASE BSC32 /nologo
 # ADD BSC32 /nologo
 LINK32=link.exe
-# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib  kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
-# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib  kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
 
 !ENDIF 
 
diff --git a/visualc/ssl_cert_test.dsp b/visualc/ssl_cert_test.dsp
new file mode 100755
index 0000000..987681f
--- /dev/null
+++ b/visualc/ssl_cert_test.dsp
@@ -0,0 +1,102 @@
+# Microsoft Developer Studio Project File - Name="ssl_cert_test" - Package Owner=<4>
+# Microsoft Developer Studio Generated Build File, Format Version 6.00
+# ** DO NOT EDIT **
+
+# TARGTYPE "Win32 (x86) Console Application" 0x0103
+
+CFG=ssl_cert_test - Win32 Debug
+!MESSAGE This is not a valid makefile. To build this project using NMAKE,
+!MESSAGE use the Export Makefile command and run
+!MESSAGE 
+!MESSAGE NMAKE /f "ssl_cert_test.mak".
+!MESSAGE 
+!MESSAGE You can specify a configuration when running NMAKE
+!MESSAGE by defining the macro CFG on the command line. For example:
+!MESSAGE 
+!MESSAGE NMAKE /f "ssl_cert_test.mak" CFG="ssl_cert_test - Win32 Debug"
+!MESSAGE 
+!MESSAGE Possible choices for configuration are:
+!MESSAGE 
+!MESSAGE "ssl_cert_test - Win32 Release" (based on "Win32 (x86) Console Application")
+!MESSAGE "ssl_cert_test - Win32 Debug" (based on "Win32 (x86) Console Application")
+!MESSAGE 
+
+# Begin Project
+# PROP AllowPerConfigDependencies 0
+# PROP Scc_ProjName ""
+# PROP Scc_LocalPath ""
+CPP=cl.exe
+RSC=rc.exe
+
+!IF  "$(CFG)" == "ssl_cert_test - Win32 Release"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 0
+# PROP BASE Output_Dir ""
+# PROP BASE Intermediate_Dir "temp"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 0
+# PROP Output_Dir ""
+# PROP Intermediate_Dir "temp"
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
+# ADD CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
+# ADD BASE RSC /l 0x40c /d "NDEBUG"
+# ADD RSC /l 0x40c /d "NDEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386
+
+!ELSEIF  "$(CFG)" == "ssl_cert_test - Win32 Debug"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 1
+# PROP BASE Output_Dir ""
+# PROP BASE Intermediate_Dir "temp"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 1
+# PROP Output_Dir ""
+# PROP Intermediate_Dir "temp"
+# PROP Ignore_Export_Lib 0
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /W3 /GX /Z7 /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c
+# ADD CPP /nologo /W3 /GX /Z7 /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c
+# ADD BASE RSC /l 0x40c /d "_DEBUG"
+# ADD RSC /l 0x40c /d "_DEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
+
+!ENDIF 
+
+# Begin Target
+
+# Name "ssl_cert_test - Win32 Release"
+# Name "ssl_cert_test - Win32 Debug"
+# Begin Group "Source Files"
+
+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
+# Begin Source File
+
+SOURCE=..\programs\test\ssl_cert_test.c
+# ADD CPP /I "../include"
+# End Source File
+# End Group
+# Begin Group "Header Files"
+
+# PROP Default_Filter "h;hpp;hxx;hm;inl"
+# End Group
+# Begin Group "Resource Files"
+
+# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"
+# End Group
+# End Target
+# End Project