Interesting idea. If encryption is "overkill", then perhaps a simple
checksum such as used by cksum. Very easy to do if the OP has a C compiler
since there are so many examples on the Web.


On Tue, Feb 12, 2013 at 1:40 PM, Thomas Berg <[email protected]>wrote:

> You got a couple of answers from those with knowledge.  As they were not
> quite positive I may chirp in with the suggestion of obfuscation.
> E g encrypt a part or the whole of program X and let program Y decrypt
> that at execution time.  The decryption key and decryption routine may be
> arbitrarily obfuscated.
> (This of course assumes that program X can be changed in that way.)
>
>
>
> Regards
> Thomas Berg
> ________________________________________________________________
> Thomas Berg   Specialist   z/OS/IT Delivery   SWEDBANK AB (Publ)
>
> > -----Ursprungligt meddelande-----
> > Från: IBM Mainframe Discussion List [mailto:[email protected]]
> > För Charles Mills
> > Skickat: den 11 februari 2013 23:33
> > Till: [email protected]
> > Ämne: How do people lock down the compilers "inside" CA Endevor?
> >
> > This is a theoretical question. I am *not* an Endevor user. I am trying
> > to solve a *similar* problem and this is the best way to explain it.
> >
> > Here's the question: at shops that use Endevor for all compiles, how do
> > you "lock down" the compilers so that programmers can only run the
> > compilers under Endevor, not with plain old JCL? What about programmers
> > who might have "private copies" of the compiler load libraries?
> >
> > (More generically, if X is a load module, is it possible to set things
> > up such that program Y can run X, but PGM=X will never work? How? I
> > have thought about engineering a rename to a name that JCL will not
> > accept (but LINK will) but I would just as soon not get that weird;
> > rather do things in a more supported way.)
> >
> > Thanks,
> >
> > Charles
> >
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-- 
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Maranatha! <><
John McKown

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