Add session flags management and encryption key support

src/Socialbox/Classes/Cryptography.php

@@ -3,6 +3,7 @@
 namespace Socialbox\Classes;
 
 use InvalidArgumentException;
+use Random\RandomException;
 use Socialbox\Exceptions\CryptographyException;
 use Socialbox\Objects\KeyPair;
 
@@ -266,4 +267,24 @@ class Cryptography
 
         return true;
     }
+
+    /**
+     * Generates a random sequence of bytes with a length determined between the specified minimum and maximum.
+     *
+     * @param int $minLength The minimum length of the generated byte sequence.
+     * @param int $maxLength The maximum length of the generated byte sequence.
+     * @return string A hexadecimal string representing the random byte sequence.
+     * @throws CryptographyException If the random byte generation fails.
+     */
+    public static function randomBytes(int $minLength, int $maxLength): string
+    {
+        try
+        {
+            return bin2hex(random_bytes(random_int($minLength, $maxLength)));
+        }
+        catch(RandomException $e)
+        {
+            throw new CryptographyException('Failed to generate random bytes: ' . $e->getMessage());
+        }
+    }
 }