"1911",
"VK_VERSION" => "008",
"VK_SND_ID" => "HP",
"VK_REC_ID" => "uid100049",
"VK_STAMP" => "51464",
"VK_REF" => "",
"VK_MSG" => "51464-79321",
"VK_ENCODING" => "UTF-8",
"VK_LANG" => "EST",
"VK_MAC" => "gaSM7NgDajS4ciOH57abLALi4RkBR3PTIKD2BHVf5YCqJcZicU7GWv65URhUQwTpq0xRflNKhdqcvpIhqi1MPbdqVRqKLk1TlBFPuGaCmCHFpaSXHHcR5VZTBGfG8Ghhz0w7n3Vibup0m7r/0Xntm6NI7y4n9JqSW8o9FnDPzv9kBAPza60J9N0HckEjmS+czMCy2ty48+bh2yH2Bs5SrIFGLdRX8pTJsrehNxOi2v6qjdQb6C02yIAVjizbxUBWHNIzd8+Hm2ltFyJwG6OtkzOrdXb4uiumVgGaXwZ0UJl+oHoQAs1ISh5l+Po6XAWwp5ET1XRN8R2sm99KJrTC/Q==",
"VK_AUTO" => "N"
);
// STEP 3. Generate data to be verified
// ====================================
// Data to be verified 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) . $fields["VK_SERVICE"] . /* 1911 */
str_pad (mb_strlen($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) . $fields["VK_SND_ID"] . /* HP */
str_pad (mb_strlen($fields["VK_REC_ID"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REC_ID"] . /* uid100049 */
str_pad (mb_strlen($fields["VK_STAMP"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_STAMP"] . /* 51464 */
str_pad (mb_strlen($fields["VK_REF"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REF"] . /* */
str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"]; /* 51464-79321 */
/* $data = "0041911003008002HP009uid1000490055146400001151464-79321"; */
// STEP 4. Verify the data with RSA-SHA1
// =====================================
if (openssl_verify ($data, base64_decode($fields["VK_MAC"]), $public_key) !== 1) {
$signatureVerified = false;
}else{
$signatureVerified = true;
}
// STEP 5. Display output of the received payment
// ==============================================
?>
Payment results
Payment:
Signature: