"1002",
"VK_VERSION" => "008",
"VK_SND_ID" => "uid100010",
"VK_STAMP" => "258",
"VK_AMOUNT" => "0.01",
"VK_CURR" => "EUR",
"VK_ACC" => "LT657300010135270430",
"VK_NAME" => "BIGBANK AS FILIALAS",
"VK_REF" => "2587",
"VK_MSG" => "57736dca022bbd37041db722a687dd10",
"VK_RETURN" => "https://dsm-banklink-frontend-lt-dev.dca.origin.big.local/r",
"VK_CANCEL" => "https://dsm-banklink-frontend-lt-dev.dca.origin.big.local/r",
"VK_LANG" => "LIT",
"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 Lithuania 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) . $fields["VK_SERVICE"] . /* 1002 */
str_pad (mb_strlen($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) . $fields["VK_SND_ID"] . /* uid100010 */
str_pad (mb_strlen($fields["VK_STAMP"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_STAMP"] . /* 258 */
str_pad (mb_strlen($fields["VK_AMOUNT"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_AMOUNT"] . /* 0.01 */
str_pad (mb_strlen($fields["VK_CURR"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_CURR"] . /* EUR */
str_pad (mb_strlen($fields["VK_REF"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REF"] . /* 2587 */
str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"]; /* 57736dca022bbd37041db722a687dd10 */
/* $data = "0041002003008009uid1000100032580040.01003EUR004258703257736dca022bbd37041db722a687dd10"; */
// STEP 4. Sign the data with RSA-SHA1 to generate MAC code
// ========================================================
openssl_sign ($data, $signature, $private_key, OPENSSL_ALGO_SHA1);
/* P2X4s16kJL+wR6UoEjjl9yUwV21ufAqy/5JKsHfJpkMLqJnTrlMCmdaGPBPlwwqQdaM5XMocuJ+taXQ2PMIcebGCU23pmqB9EaO89fBXieIPNa9htgkTnCjIcY7u6FNnoCt44Z0JOxoKayn2deiVXOWYiF9N8n+KIhS9d5MRA/lIa/1+zxAXqEmi4IEJO4VqmpX9oN8GIlpglLLwkXkWFb+2jHH9PeGuk+7u12PXPC2Haocev0kT7nNiGcnO8UzNtk4diOO7p3WTxEZuL4ITpnuU1f5vQ5Sf7ChGAZK+CUhVRyCkYyGFkuKv8y1+jLEbjGIXZJ+7ZHq4fL2hoIq/Jg== */
$fields["VK_MAC"] = base64_encode($signature);
// STEP 5. Generate POST form with payment data that will be sent to the bank
// ==========================================================================
?>
Makse teostamise näidisrakendus "Swedbank Lithuania"