"1002",
"VK_VERSION" => "008",
"VK_SND_ID" => "uid100010",
"VK_STAMP" => "6623",
"VK_AMOUNT" => "0.01",
"VK_CURR" => "EUR",
"VK_ACC" => "LT657300010135270430",
"VK_NAME" => "BIGBANK AS FILIALAS",
"VK_REF" => "66235",
"VK_MSG" => "0b1c113c95d6a8f7c508985f6e08eb2f",
"VK_RETURN" => "https://bank-link-frontend.core.development.dev.os3.big.local/r",
"VK_CANCEL" => "https://bank-link-frontend.core.development.dev.os3.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) . $fields["VK_STAMP"] . /* 6623 */
str_pad (mb_strlen($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) . $fields["VK_REF"] . /* 66235 */
str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"]; /* 0b1c113c95d6a8f7c508985f6e08eb2f */
/* $data = "0041002003008009uid10001000466230040.01003EUR005662350320b1c113c95d6a8f7c508985f6e08eb2f"; */
// STEP 4. Sign the data with RSA-SHA1 to generate MAC code
// ========================================================
openssl_sign ($data, $signature, $private_key, OPENSSL_ALGO_SHA1);
/* Bv/CBjFyfvSeRGGVLjdeumYDZHAnj8oxGODR6OmU651jPkCAzGo4ZopDGMLA/XS0UJiJEAuwitkn34wzlGjBMuX6pBLqz4Upc4D2HwlBbHgmPGdOw+7/hjXdE5SiDQLu69ey5CGqLqvFsnxdNNkkcAwZl6I6s7amSD9MbdYPzzfLf2M19hKgM+LpLW9Zv/nLUNMJgaDO4kfMxIVi1CQLEBE/7dpaD1JIMbUSEZE7zJtGvRhVM5hsRNBCUp/VPnanAgF1fk1xEI/LEP0Eh+rist4RPGtoKK3BAyX07gaFNN0lv3T+9brtfcWJUvB8hhrE7VfNbGYby8yUWyhIhTYW1Q== */
$fields["VK_MAC"] = base64_encode($signature);
// STEP 5. Generate POST form with payment data that will be sent to the bank
// ==========================================================================
?>
Makse teostamise näidisrakendus "Swedbank Lithuania"