Re: Protecting the Operating System

In Message-ID:<Xns984E5F28F26ACabcxyzcom@xxxxxxxxxxxxxxx>,
"nemo_outis" <abc@xxxxxxx> wrote (with some unmarked snippage):

Arthur T. <arthur@xxxxxxxxxxxxxx> wrote in
news:3dush2l2sf2uulm9419ssju1p6qeqhlb46@xxxxxxx:

In the case of Free Compusec, the password *has* to be weaker
than AES-128. According to its documentation, the password is up
to 16 bytes and alphanumeric. Even if it's totally random, I get
it to be the equivalent of only about 95 bits (83 if case is
ignored).


I haven't checked whether the password/phrase is limited to 16 bytes or
whether only alphanumeric characters can be entered. Have you confirmed
this or are you going by some documentation?

I haven't yet installed it. All I know is what I read in
TFM. This is from their readme.htm file:

The initial password after the installation of CompuSec is
"start123".
The user ID must be 1 to 16 characters long. Characters can be
alphanumeric.
The password must be 6 to 16 characters long. Characters can be
alphanumeric.

The same file says: "The security file, SecurityInfo.dat, is
unique to a computer. It can only be used for the machine where it
was initially created." That leads me to believe that if your
computer dies, but your HD is still okay, it doesn't matter.
You're SOL unless you've taken traditional backups (which I do,
anyway).

Neither of the above will necessarily keep me from installing
and using Compusec. But I thought it worth pointing out since the
OP said that Compusec supports "only" 128 bits of AES key. And,
BTW, TFM says:
Fast AES Algorithm with 128 or 256 bit key length.

Again, I haven't yet installed it, so all my information
comes from its documentation, not from its actual capabilities.
The version I downloade is 4.21.


--
Arthur T. - ar23hur "at" intergate "dot" com
Looking for a good MVS systems programmer position
.

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