How to lock and protect PDF files on a special USB disk or a hard disk? How to protect your PDF files on a USB disk drive?

How about USB stick distribution, how does this work?

"Yes, VeryPDF Cloud DocSafe can be locked on special USB disk, it will read USB Disk's serial number, if current USB Disk's serial number is not equal to predefined USB Disk's serial number, you will not able to view this VPDF file."

I've put a Kingstom USB stick in my computer to test the ability to lock VPDF to USB stick, it's not working.

Program does not provide me with USB neither it doesn't lock VPDF to that USB stick if I manually insert it's ID:

Can you please help me to test locking VPDF to USB?

Another question: if I want to lock VPD to Hard disk ID, is there any utility that I can send to customer in order for him to provide me with his HD ID?

Customer
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>>I've put a Kingstom USB stick in my computer to test the ability to lock VPDF to USB stick, it's not working. Program does not provide me with USB neither it doesn't lock VPDF to that USB stick if I manually insert it's ID:
>>Can you please help me to test locking VPDF to USB?

Thanks for your message, in order to lock a VPDF file to a USB disk or a Hard disk, you need get the USB Disk or Hard Disk series number first, you may run following command line in a CMD window by manual to get series numbers for USB Disk and Hard Disk,

wmic diskdrive get PNPDeviceID
--------------------
PNPDeviceID
IDE\DISKHITACHI_HTS725050A7E630_________________GH2ZB390\4&15A50E0B&0&0.0.0
USBSTOR\DISK&VEN_GENERIC&PROD_EXTERNAL&REV_1.14\365644413254395620202020&0
--------------------

If you are using drmpdf.exe command line application, you can run following command lines to lock the VPDF file to a special USB disk or hard disk or IP address,

drmpdf.exe -limit-disk-id "IDE\DISKHITACHI_HTS725050A7E630_________________GH2ZB390\4&15A50E0B&0&0.0.0" D:\in.pdf D:\out.vpdf

drmpdf.exe -limit-ip "216.58.221.78" D:\in.pdf D:\out.vpdf

drmpdf.exe -limit-usb-id "USBSTOR\DISK&VEN_GENERIC&PROD_EXTERNAL&REV_1.14\365644413254395620202020&0" D:\in.pdf D:\out.vpdf

You may also look at more options from this web page,

http://drm.verypdf.com/verypdf-drm-creator-command-line-command-line-options/

>>Another question: if I want to lock VPD to Hard disk ID, is there any utility that I can send to customer in order for him to provide me with his HD ID?

You can write a simple script to run following command line in user's system,

wmic diskdrive get PNPDeviceID

then your script can get the series numbers for USB Disk and Hard Disk easily.

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