Encrypt & Decrypt data using AES algorithm
Ø Encryption: function encrypt($action, $string) { $output = false; $encrypt_method = "AES-256-CBC"; $secret_key = 'This is my secret key'; $secret_iv = 'This is my secret iv'; // hash $key = hash('sha256', $secret_key); // iv - encrypt method AES-256-CBC expects 16 bytes - else you will get a warning $iv = substr(hash('sha256', $secret_iv), 0, 16); $output = openssl_encrypt($string, $encrypt_method, $key, 0, $iv); $output = base64_encode($output); return $output; } $plain_txt = "This is my plain text"; echo "Plain Text =" .$plain_txt; $encrypted_txt = encrypt('encrypt', $plain_txt); echo "Encrypted Text =". $encrypted_txt; Ø Decryption: function decrypt($action, $string) { $output = false; $encrypt_method = "AES-256-CBC"...

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