How to print PDF encrypted files

Case: Recently, the customer sent a PDF encrypted file, saying that the contents of the file were printed out, and the customer could not open the file by himself.

Steps to solve: First, download and install the Adobe Acrobat 9 Pro software, and then double-click to open the file sent by the customer, prompting the error: "You do not have permission to access this encrypted document". No hurry, we are downloading a certificate <;topsage.pfx” (Note: available on 45it.com website). After downloading, double-click the certificate file topsage.pfx, next → next → enter the password for the private key, the password is: www.topsage.com Note that it is lowercase, case sensitive, can be copied and pasted from here. After input, the next step → next → completed. At this point, you can see the content by opening the encrypted PDF file, but there are many functions that are limited, such as the printing function we need.

Next we continue to download "Foxit PDF Editor", after the download is complete, install this software. Then we use the Foxit PDF Editor to open the encrypted PDF file. The printing function can now be implemented. At this point, we basically cracked the limit function of encryption, if you want to crack it perfectly. That is, you need to save this file again so that others can open it and print it directly. To do this, all we have to do is click on Foxit PDF Editor's "Documents" to export the page "---&&&&&&&&&&&&&&&&&&&&&" The selection range is "page 1---the last page of the entire file".

Summary: Although there are many online methods and software for how to print PDF encrypted files and crack PDF encrypted files. I have found a lot on the Internet, but it is not very effective, such as cracking the software, prompting when used. This document is encrypted by Adobe.PubSec[adbe.pkcs7.s5] 128-bit security v.4” Program creation. This type of protection is not supported. ”. Therefore, I used the above method to successfully crack the problem that PDF encrypted files cannot be printed. Record this solution again for friends of the same question.