Re: Secured txt file

[Charles Wilt <charles.wilt@xxxxxxxxx>]

Have you asked about a direct transfer?

The banks I've worked with supported it.

Any method that involves a user is prone to error.

And if a plain text file is sitting on thier PC, there's no way to prevent
them from being able to modify it.

Encrypting it would work, but I bet the banks software already does that
and they won't be able to handle a double encryption.

Checksum would let you detect if it was changed, but again, the bank would
have to have the functionality to report back to you the checksum of the
file received.

I suspect, if you have to use the PC software, the best you'll be able to
do is have somebody else audit what was supposed to be sent vs. what was
receieved by the bank.

Charles

On Tue, Aug 15, 2017 at 11:28 PM, Gad Miron <gadmiron@xxxxxxxxx> wrote:

> Hello pundits
>
> Need advice with the following:
>
> I'm asked to create on the i a "payment instructions" text file to be sent
> to our bank.
> The actual uploading of the file to the bank is done by a special secured
> *PC based* software.
>
> When testing the process someone pointed to me the need to prevent any user
> (i user or domain user) from changing the content of this text file.
>
> I can create a txt file on the IFS and deny i users access to it (using
> CHGAUT)
> BUT when the file is copied from the IFS to the user's PC in order to send
> it to the bank
> then the access restrictions on the i are no longer valid.
>
> I guess it is worth mentioning that we do not use SSO (Single sign on) for
> accessing the i
>
>
> TIA
>
> Gad
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