Software needed

Sorry for bad english:

i need a program that:

1. Protect a executable with a password (ask the password
before launch)

2. Can launch the password-protect executable from DOS prompt
by giving the password as a parameter. (important)

3. Don't write on the disk the copy unprotected of the original executable.

4. Dont'need of high-level of protection.

Thanks in advance

Venerdì

On Sun, 03 Oct 2004 23:12:46 GMT, "Venerdì"
<> wrote:

>Sorry for bad english:
>
>i need a program that:
>
>1. Protect a executable with a password (ask the password
>before launch)
>
>2. Can launch the password-protect executable from DOS prompt
>by giving the password as a parameter. (important)
>
>3. Don't write on the disk the copy unprotected of the original executable.
>
>4. Dont'need of high-level of protection.
>
>Thanks in advance
>
####################
Can't you just use windows user and group permissions to determine who
can run the program? In other words, create a group and only add the
users who have permission to run the application. Look at the secuity
tab in properties of the application to see what I'm saying.

donnie

"Venerdì" <> wrote:

>Sorry for bad english:
>
>i need a program that:
>
>1. Protect a executable with a password (ask the password
>before launch)
>
>2. Can launch the password-protect executable from DOS prompt
>by giving the password as a parameter. (important)
>
>3. Don't write on the disk the copy unprotected of the original executable.
>
>4. Dont'need of high-level of protection.
>
>Thanks in advance
>

Let me ask a question before just supplying answers where there may
not be a question...You are asking for an executable to be encrypted.
Is this so no one can reverse engineer it?

If what you want is to limit a users ability to run your program,
password protecting a program is easily done with internal code...no
need to encrypt the executable if this is all you need. And, a
password can be passed to the starting program via command line
parameters.

For a program executable to be encrypted, eventually the code will be
opened up into machine readable format...either in memory or on
disk...once that is accomplished, it can be reverse engineered.

The only other way to achieve this goal (launching an encrypted
executable) is to write your own Operating System that reads the
encrypted .exe and runs it, instruction by instruction, by internally
decrypting each line of code...with that kind of OS you could also
have the data contained in each register encrypted. You should also
think about randomly scrambling the screen, as there are devices that
can see what is being displayed on a monitor from over 200 yards away
(even through brick walls).

Celtic Leroy

"Celtic Leroy" <> ha scritto nel
messaggio news:...
> "Venerdì" <> wrote:
>
>>Sorry for bad english:
>>
>>i need a program that:
>>
>>1. Protect a executable with a password (ask the password
>>before launch)
>>
>>2. Can launch the password-protect executable from DOS prompt
>>by giving the password as a parameter. (important)
>>
>>3. Don't write on the disk the copy unprotected of the original
>>executable.
>>
>>4. Dont'need of high-level of protection.
>>
>>Thanks in advance
>>
>
> Let me ask a question before just supplying answers where there may
> not be a question...You are asking for an executable to be encrypted.
> Is this so no one can reverse engineer it?
No.

>
> If what you want is to limit a users ability to run your program,
Yes. But i dont have access to code of that programs. I need to restrict
access to a lot of programs (writed by others) on a lot of pc.
I do that with a other program that handle users & passwords in a
database. When the specific user has the rights to launch a specific
program (by giving correct pw e id) the 'other program' log that and launch
the requested program
by calling it by a command line. I need to give the password (thar nobody
see and nobody know, except the 'other program') to permit the launch.

Sorry for terrible language. I hope you understand.

Bye
Venerdì

> password protecting a program is easily done with internal code...no
> need to encrypt the executable if this is all you need. And, a
> password can be passed to the starting program via command line
> parameters.

>
> For a program executable to be encrypted, eventually the code will be
> opened up into machine readable format...either in memory or on
> disk...once that is accomplished, it can be reverse engineered.
>
> The only other way to achieve this goal (launching an encrypted
> executable) is to write your own Operating System that reads the
> encrypted .exe and runs it, instruction by instruction, by internally
> decrypting each line of code...with that kind of OS you could also
> have the data contained in each register encrypted. You should also
> think about randomly scrambling the screen, as there are devices that
> can see what is being displayed on a monitor from over 200 yards away
> (even through brick walls).
>

Venerdì

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Hash: SHA1

On mandag 4. oktober 2004, 01:12 Venerdì tried to express an opinion:

> i need a program that:
>
> 1. Protect a executable with a password (ask the password
> before launch)
>
> 2. Can launch the password-protect executable from DOS prompt
> by giving the password as a parameter. (important)

I had such a program once, but I forgot about it.
I can't find it, so I did a search to locate any alternatives for you.

And wouldn't you know.. I really did find the werry same program I once had.
http://www.angelfire.com/biz7/ppsplus/


I also found this one.
http://filepadlock.techmedia-software.com.br/
filepadlock can have usernames + passwords in the file.
Enabeling you to have multiple users, each with their own password.



- --
Solbu - http://www.solbu.net
Remove 'ugyldig' for email
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Solbu

"Venerdì" <> wrote:

>
>"Celtic Leroy" <> ha scritto nel
>messaggio news:...
>> "Venerdì" <> wrote:
>> If what you want is to limit a users ability to run your program,
>Yes. But i dont have access to code of that programs. I need to restrict
>access to a lot of programs (writed by others) on a lot of pc.
>I do that with a other program that handle users & passwords in a
>database. When the specific user has the rights to launch a specific
>program (by giving correct pw e id) the 'other program' log that and launch
>the requested program
>by calling it by a command line. I need to give the password (thar nobody
>see and nobody know, except the 'other program') to permit the launch.
>
>Sorry for terrible language. I hope you understand.
>
>Bye
>Venerdì

Understood. You need to do what was suggested by the previous poster
(donnie) and use the Windows group/permissions settings. You can give
each person, according to their login account, permission to run
specific programs and access to specific files. This will limit each
individual to only access the programs you want them to.

Good luck,

Celtic Leroy

Try Password Door.....
http://www.xstudio.ca/pcsupport/secu...rotection.html


<Venerd? <>> wrote in message
news:OH%7d.23377$...
> Sorry for bad english:
>
> i need a program that:
>
> 1. Protect a executable with a password (ask the password
> before launch)
>
> 2. Can launch the password-protect executable from DOS prompt
> by giving the password as a parameter. (important)
>
> 3. Don't write on the disk the copy unprotected of the original
executable.
>
> 4. Dont'need of high-level of protection.
>
> Thanks in advance
>
>

Eric

> I had such a program once, but I forgot about it.
> I can't find it, so I did a search to locate any alternatives for you.
>
> And wouldn't you know.. I really did find the werry same program I once
> had.
> http://www.angelfire.com/biz7/ppsplus/

Great, Solbu! This one works! Thank you!

Only a little problem, but not so important.
A copy of unprotected program was writted on the same
directory of the protected program before the running.
It have the "hidden" attribute, and was deleted after execution.
So the security was no very hight, but sufficient for me.

Bye
Venerdì

Venerdì