PHP single_byte_xor_cipher Examples

Example #1

File: single_byte_xor_cipher.php Project: lucabro81/exercise-matasanocyptochallenge

<?php

include '../functions.php';
//################################# Single-byte XOR cipher #################################
echo "<strong>########### Single-byte XOR cipher ###########</strong><br>";
echo "<strong>input:</strong><br>";
echo "1b37373331363f78151b7f2b783431333d78397828372d363c78373e783a393b3736<br>";
echo "<strong>output:</strong><br>";
$risposte = single_byte_xor_cipher('1b37373331363f78151b7f2b783431333d78397828372d363c78373e783a393b3736', 16, array('min' => 0, 'max' => 255), array('total_letter' => 1, 'first_letter' => 0, 'second_letter' => 0));
foreach ($risposte as $value) {
    echo "<pre>";
    printf("\t %s \t %s", $value['string_decodificata'], $value['chiave']);
    //però non fornisce la chiave
    echo "</pre>";
}
echo "<br><br>";

Example #2

File: detect_single_character_xor.php Project: lucabro81/exercise-matasanocyptochallenge

<?php

include '../functions.php';
//################################# Detect single-character XOR #################################
echo "<strong>########### Detect single-character XOR ###########</strong><br>";
echo "<strong>input:</strong><br>";
echo "file: 4.txt<br>";
echo "<strong>output:</strong><br>";
$lines = file("text/4.txt", FILE_IGNORE_NEW_LINES);
set_time_limit(0);
foreach ($lines as $line) {
    $risposte = single_byte_xor_cipher($line, 16, array('min' => 0, 'max' => 255), array('total_letter' => 0, 'first_letter' => 0, 'second_letter' => 0));
    if (count($risposte) > 0) {
        foreach ($risposte as $value) {
            echo "<pre>";
            printf("\t %s \t %s", $value['string_decodificata'], $value['chiave']);
            //però non fornisce la chiave
            echo "</pre>";
        }
        echo "<br>";
    }
}
set_time_limit(30);
echo "<br><br>";