"1911",
"VK_VERSION" => "008",
"VK_SND_ID" => "HP",
"VK_REC_ID" => "uid100052",
"VK_STAMP" => "64",
"VK_REF" => "644",
"VK_MSG" => "Ref. 2101040004",
"VK_ENCODING" => "UTF-8",
"VK_LANG" => "EST",
"VK_MAC" => "lwFf/ig17nBupidzK5H9hEJ3rr0zit1Z8rwXc0e5JRuV2lsUFPxGVA8VMMuRDwY/bFRDVmITJ0gZWQJ/U/CJtFQpBshPN3ALQGvizOMkw0B4aAQrsrxw0qYJwdbA2bzeUhcGyDAbq+mL+ijNDNBDnVQgSQQWbhQe/Fp7K50kLOPSdHh1gmxKy29YY9AlTE5nmjqa0+bfGi3iphm7exD6kz+8fUZ43RSLrGqADleoTrl5pWoe4minV9R2tiilSu53RHdCT0vi6iGIxxGrLoq4Us2aw09D2wqA/EJmP2EECr0kcomcAfFCQn6xn1IjpW6rlTEjgVlq6AxHcDptvGbumQ==",
"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) . $fields["VK_REC_ID"] . /* uid100052 */
str_pad (mb_strlen($fields["VK_STAMP"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_STAMP"] . /* 64 */
str_pad (mb_strlen($fields["VK_REF"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REF"] . /* 644 */
str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"]; /* Ref. 2101040004 */
/* $data = "0041911003008002HP009uid10005200264003644015Ref. 2101040004"; */
// STEP 4. Verify the data with RSA-SHA1
// =====================================
if (openssl_verify ($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: