Upgrading Netscape 4.5 to full-strength crypto

Robert O'Callahan (roc+@cs.cmu.edu)
Sun, 25 Oct 1998 10:32:53 -0500

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I haven't seen this mentioned anywhere, but the old perl script for Netscape 4.0x
that upgrades an export binary to use full-strength crypto doesn't work on 4.5.
They added some extra binary cruft that also needs to be patched. A working script
is in my sig. Enjoy.

Rob

--
[Robert O'Callahan, http://www.cs.cmu.edu/~roc, 5th year CMU CS PhD student
Upgrade your export version Communicator 4.5 to full-strength crypto:]
#!/usr/bin/perl5 -0777pi           # Run on your "netscape" binary
s/KEY-BITS:.*?\0/$_=$&;y,a-z, ,;s, 512,2048,;s, {4}$,true,gm;$_/es;
s!\*:Q\xbf/q.{46}(.).{33}!substr($t=$&,54,ord$1)=~y,,\1,c;$t!egs

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