how about using ulimit to instruct the program to not core dump? 
$ ulimit -c 0
$ perl script.pl

[download]

but anyway, all this is useless, because somebody able to send signals to the process would also be able to attach a monitor (i.e., strace or truss) and inspect all the IO including the passwords.

In reply to Re: hiding passwords by salva
in thread hiding passwords by jfroebe

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