"4012",
"VK_VERSION" => "008",
"VK_SND_ID" => "uid100052",
"VK_REC_ID" => "HP",
"VK_NONCE" => "1",
"VK_RETURN" => "http://127.0.0.1:58939/auth/complete/",
"VK_DATETIME" => "2021-02-18T09:16:54+0000",
"VK_ENCODING" => "UTF-8",
);
// STEP 3. Generate data to be signed
// ==================================
// Data to be signed is in the form of XXXYYYYY where XXX is 3 char
// zero padded length of the value and YYY the value itself
// NB! Swedbank expects symbol count, not byte count with UTF-8,
// so use `mb_strlen` instead of `strlen` to detect the length of a string
$data = str_pad (mb_strlen($fields["VK_SERVICE"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_SERVICE"] . /* 4012 */
str_pad (mb_strlen($fields["VK_VERSION"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_VERSION"] . /* 008 */
str_pad (mb_strlen($fields["VK_SND_ID"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_SND_ID"] . /* uid100052 */
str_pad (mb_strlen($fields["VK_REC_ID"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REC_ID"] . /* HP */
str_pad (mb_strlen($fields["VK_NONCE"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_NONCE"] . /* 1 */
str_pad (mb_strlen($fields["VK_RETURN"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_RETURN"] . /* http://127.0.0.1:58939/auth/complete/ */
str_pad (mb_strlen($fields["VK_DATETIME"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_DATETIME"] . /* 2021-02-18T09:16:54+0000 */
str_pad (mb_strlen($fields["VK_RID"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_RID"]; /* */
/* $data = "0044012003008009uid100052002HP0011037http://127.0.0.1:58939/auth/complete/0242021-02-18T09:16:54+0000000"; */
// STEP 4. Sign the data with RSA-SHA1 to generate MAC code
// ========================================================
openssl_sign ($data, $signature, $private_key, OPENSSL_ALGO_SHA1);
/* rcRfDl85YAUTV2+Am0lKgweztOY9Dx/ehvPHsZEq5Nf3WXwJe0AWqthUA9UcIjPlQgbB4bNkUxxT7QYNRpgaECGB1FRV7+zg7NdV6FzFA9rxuySQpndwz+HA89gaulUWrpQPz5gcTzt8v4XiRyKBYKTP+9R875VLQ3qmJ65sNDQf+a4hthRvYtWqDNCjpUtRnL3Zu2KkEGDWweyoOzh7am1vFDlqFAf3DNyMeU8mqgZCVnhQrVpjeX3P0U25wKkMFSxt1qBRVt+nTy8p5YYmK7gUXmCDyNTHm6bvleCPtmX1+1kLfNy+wm4f9UYQdUfp7YqIYfnjsnCXraDZWeAepg== */
$fields["VK_MAC"] = base64_encode($signature);
// STEP 5. Generate POST form with payment data that will be sent to the bank
// ==========================================================================
?>
Autentimise näidisrakendus "Swedbank"