"1911",
"VK_VERSION" => "008",
"VK_SND_ID" => "HP",
"VK_REC_ID" => "uid100052",
"VK_STAMP" => "175",
"VK_REF" => "1753",
"VK_MSG" => "Vaheajatellimus 2303070001 10.03.2023 18:00",
"VK_ENCODING" => "UTF-8",
"VK_LANG" => "EST",
"VK_MAC" => "D1mRB31ApyogfSQW444ZovNsTxMsU6U5R6NwVecthtQTGXe3nB3WqJtNbAB/JzrMd1qHuHuPogmiqohpxYVK3oDjqDiKGu6bX/hppH9er5wEfPPZzI+ROnGQDk62DTRwV1vbyg56SnABa+lmSG0ZaLCiragqF/75MN7lBqaTzB6KdApo3dIx4onFLzc3TpLzvfF5yfFdGBuE7ItKbDo3DdGr5NEIt3Kjrq13oUXAP8Ovt1Fq0SuBCfjP9UbCIxpIxU6tKFySAtDOgNl8D7BGRLMUNUlPbllWZ931LQzXruJnN4JkX/H2gyHNsW9gdzKks+EoXURoJhehvMw5/4R3rg==",
"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) . $fields["VK_STAMP"] . /* 175 */
str_pad (mb_strlen($fields["VK_REF"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REF"] . /* 1753 */
str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"]; /* Vaheajatellimus 2303070001 10.03.2023 18:00 */
/* $data = "0041911003008002HP009uid1000520031750041753043Vaheajatellimus 2303070001 10.03.2023 18:00"; */
// STEP 4. Verify the data with RSA-SHA1
// =====================================
if (openssl_verify ($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: