AUTOMATIC PASSWORD INPUT PROGRAM FOR PDF FILE

Asked 2 years ago, Updated 2 years ago, 138 views

I am currently using Java to create a program that parses the passwords of PDF files in bulk.

I have a code that prints the half-width alphanumeric combination for n characters, but I don't know how to automatically enter the password for the file.

import java.util.Scanner;

class Analysis {

    static void recursive_increment(int digit, String[] an, String [ ] str) {
        if(digit==0){
                for(inti=0;i<ans.length;i++){
                    System.out.print(ans[i]);
                }
                System.out.print("\n");
        } else {
            for(inti=0;i<62;i++){
            an [digit-1] = str[i];
            recursive_increment(digit-1,ans,str);
            }
        }
    }

    public static void main(String args[]){
        Scanner scn = new Scanner (System.in);
        System.out.println("How many digits do you want to analyze?");
        int num=scn.nextInt();

        String str[] = {"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r",
                            "s", "t", "u", "v", "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K",
                            "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z",
                            "1","2","3","4","5","6","7","8","9","0"};
        Stringans[] = new String [num];

        int digit = num;
        recursive_increment(digit,ans,str);
    }
}

java pdf

2022-09-30 21:49

1 Answers

I don't know how to automatically enter a password.

Create a PDF called iText and set a password to the PDF using the conversion library. It seems that you can convert a PDF with a password to a PDF without a password.

https://kb.itextpdf.com/home/it7kb/faq/how-to-decrypt-a-pdf-document-with-the-owner-password


2022-09-30 21:49

If you have any answers or tips


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