Time Sensitive Password for PDFs

I sell PDF downloads on the topic of how to play musical instruments.

You can see an example here:

[url removed, login to view]

My problem is that teachers will download the book and make copies to give to their students.

This is OK for one batch of students, but I want a method of controlling how many students can get copies.

I'm thinking of a password controller, that prevents the PDF from being opened more than a certain number of times, or a password that expires after a set time.

I know that PDFs can be saved with a requirement that the user must enter a password, but that password can be shared and lasts indefinitely.

Is there any way to control the behavior of the password?

Kemahiran: Perisian Terbenam, Kejuruteraan Perisian, Sekuriti Web

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Tentang Majikan:
( 32 ulasan ) Aldgate, Australia

ID Projek: #1571103

1 pekerja bebas membida secara purata $350 untuk pekerjaan ini


I can protect your files with changing passwords.

$350 USD dalam 15 hari
(0 Ulasan)