"1911",
"VK_VERSION" => "008",
"VK_SND_ID" => "HP",
"VK_REC_ID" => "uid100052",
"VK_STAMP" => "11",
"VK_REF" => "110",
"VK_MSG" => "Plastok tellimus 26.02.2021 12:41 Ref.:11",
"VK_ENCODING" => "UTF-8",
"VK_LANG" => "EST",
"VK_MAC" => "UI5CaOnAQ0PUPlVV/EHIbWDvXH5GKysJfBtm9eJ/6Ed/aeCRhnQfLPlRIw3xLBZuv9grj2wUiVRvRiU8leDmsxGzQHG8zLXYBLFMdRGR2qwTnY4gZIxEYWESaTMrtNM05YXrQ0f1VFtQy0pp1cseMcZYgKmYWHd5B1Ai0bww4PZjMwr8geX6xW4xRksEeyBByS8cb/EErxGhMs2C1UIM4Dt8hdfCxYh9Ef4QGT3xeAvfHy0i6huh46fstTEClU/PEPK2flAKnrOxeZLeAnkL3l/e0RMObXfJDjMnatscYEBUH2Yov18GV367z92CeiRmZzOkGPf7z0gWlMP6JcSWeA==",
"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) . $fields["VK_STAMP"] . /* 11 */
str_pad (mb_strlen($fields["VK_REF"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REF"] . /* 110 */
str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"]; /* Plastok tellimus 26.02.2021 12:41 Ref.:11 */
/* $data = "0041911003008002HP009uid10005200211003110041Plastok tellimus 26.02.2021 12:41 Ref.:11"; */
// STEP 4. Verify the data with RSA-SHA1
// =====================================
if (openssl_verify ($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: