[OTHER] Java Implementation of Playfair Cipher

[enrico-zini]

What would you like to share?

Issue: https://github.com/TheAlgorithms/Java/blob/master/src/main/java/com/thealgorithms/ciphers/ProductCipher.java The shifting of the characters is constant, but it should be determined by user input.

Solution: Substitute '5' for 'n'

Additional information

`System.out.println("Enter a number: "); int n = sc.nextInt();

    // Substitution encryption
    StringBuffer substitutionOutput = new StringBuffer();
    for (int i = 0; i < substitutionInput.length(); i++) {
        char c = substitutionInput.charAt(i);
        substitutionOutput.append((char) (c + 5)); // <---- should be n instead of 5
    } ...
    StringBuffer plaintext = new StringBuffer();
    for (int i = 0; i < transpositionPlaintext.length(); i++) {
        char c = transpositionPlaintext.charAt(i);
        plaintext.append((char) (c - 5)); // <---- same here
    }

[SarthakChaudhary46]

Is it still open? Shall I work on it?

[shrvya-shetty]

hie are you working on it? is it open?

[github-actions[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contribution!

[github-actions[bot]]

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