<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">Ron, I don't believe the DESPlugin is part of VMMaker. It is part of our DES package and it is confused about it's superclass. Steps to get the DESPlugin into an image with VMMaker:<DIV><BR class="khtml-block-placeholder"></DIV><DIV>1) take 3.7 image, which has VMMaker loaded.</DIV><DIV>2) load Cryptography package from SqueakMap (no Monticello in 3.7)</DIV><DIV>3) respecify the superclass of DESPlugin to be InterpreterProxy.</DIV><DIV>4) run VMMaker and generate plugin</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>The 3.8/3.9 image has no VMMaker in it and the VMMaker on SqueakMap is in an inconsistent state.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>I hope this helps,</DIV><DIV>Robert</DIV><DIV><BR><DIV><DIV>On Oct 12, 2006, at 6:52 AM, Ron Teitelbaum wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"> <DIV class="Section1"><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial"><A href="http://bugs.impara.de/view.php?id=5228">http://bugs.impara.de/view.php?id=5228</A> : <O:P></O:P></SPAN></FONT></P><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial"><O:P> </O:P></SPAN></FONT></P><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial">Hans-Martin did some testing and as we expected the performance of pure squeak cryptography is disappointing: <O:P></O:P></SPAN></FONT></P><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial"><O:P> </O:P></SPAN></FONT></P><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial">Hans-Martin wrote:<O:P></O:P></SPAN></FONT></P><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial">"Ok, I did some measurements. Results are pretty disappointing.<O:P></O:P></SPAN></FONT></P><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial">Squeak on my AMD 3800+ processor encrypts 32 KBytes using 3DES CBC mode in about 8 seconds - unusable for anything but a proof-of-concept.<O:P></O:P></SPAN></FONT></P><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial">Therefore I think that DES (and maybe some other small cryptographic<O:P></O:P></SPAN></FONT></P><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial">primitives) should be part of the base VM."<O:P></O:P></SPAN></FONT></P><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial"><O:P> </O:P></SPAN></FONT></P><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial">The DESPlugin is already a part of the VMMaker, I am asking the VM group to please include the DESPlugin in the base VM that is distrubuted. We will be submitting more code and will follow the process of code -> VMMaker -> VM. If the VM team wants to wait before building a new VM's until other primitives are available, that is fine, but if a build is going to be done anyway for other issues, please include the DESPlugin.<O:P></O:P></SPAN></FONT></P><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial"><O:P> </O:P></SPAN></FONT></P><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial">Thank you for your help!<O:P></O:P></SPAN></FONT></P><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial">Ron Teitelbaum<O:P></O:P></SPAN></FONT></P><P class="MsoNormal"><FONT size="2" face="Arial"><SPAN style="font-size:10.0pt; font-family:Arial">Cryptography Team Leader<O:P></O:P></SPAN></FONT></P> </DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">_______________________________________________</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Cryptography mailing list</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="mailto:Cryptography@lists.squeakfoundation.org">Cryptography@lists.squeakfoundation.org</A></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/cryptography">http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/cryptography</A></DIV> </BLOCKQUOTE></DIV><BR></DIV></BODY></HTML>