"1911",
"VK_VERSION" => "008",
"VK_SND_ID" => "HP",
"VK_REC_ID" => "uid100052",
"VK_STAMP" => "23",
"VK_REF" => "233",
"VK_MSG" => "Plastok order 18.02.2021 16:28",
"VK_ENCODING" => "UTF-8",
"VK_LANG" => "EST",
"VK_MAC" => "mCqf2XERfOFNief8nepIyse3U1QtfvP52poBbunyyfV6I+z/2mRgxhVr/o/YPc0qlqSHoZMkIFHqHIeon6+9pJhOGs1EysZtCyRhVhd496twejre6n7gNmIZOmBoDipxPgmXmn7hyRZVfKUxfC66JkF9Wr8Pmeglbet6V7LtZ9iobl00+N4ezbynOx/7T/tMcyW07mo99DcgnpMKVYSpG8q21ux5YfNOLuFV4+6HLL1F1ELYunOVk0gPND+B4jlZRUyr6HyXx7ktQiYAuwpRoMXK4u1P4yslOMhutfMcWB5Qi6SxTVpCU8dygY3hW8t5TCUVSdT+J0hHeiQ+pXx6Ag==",
"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) . $fields["VK_STAMP"] . /* 23 */
str_pad (mb_strlen($fields["VK_REF"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REF"] . /* 233 */
str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"]; /* Plastok order 18.02.2021 16:28 */
/* $data = "0041911003008002HP009uid10005200223003233030Plastok order 18.02.2021 16:28"; */
// STEP 4. Verify the data with RSA-SHA1
// =====================================
if (openssl_verify ($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: