"1911",
"VK_VERSION" => "008",
"VK_SND_ID" => "HP",
"VK_REC_ID" => "uid100052",
"VK_STAMP" => "2908991",
"VK_REF" => "29089918",
"VK_MSG" => "Pangalink: 2908991",
"VK_ENCODING" => "UTF-8",
"VK_LANG" => "EST",
"VK_MAC" => "UnuYUB3oXG4AtV5aKrrCvpWkonaa4X4/Ien1HJkztun4hgVc9hAlL8jseBTLvnO+76gLYr0hWJ290MToY9vk9iHxNVm53jdY60e4UvtUFbOmfO0Hzztke+dcDJDNOCbvTpI6qETr3hu4/8fJcD9HQLVkMpBvcKGEmrKhBzODMei5ubLPyEf4SAvwOPUzCeQib+iPQx5Jz91g9BDrtLE9OC47jz0D4ZvgSqTf6L6YZCQ0VpvhchNDK+GTIGQrcw+90/dwBpXSU6AThOMaaQbir70RJchXf6WzZsOznvJ//n3AXJmeu4Jyvc4o7q4YnvkSZr3gl2i6FuEGOLpC7iliHg==",
"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) . $fields["VK_STAMP"] . /* 2908991 */
str_pad (mb_strlen($fields["VK_REF"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REF"] . /* 29089918 */
str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"]; /* Pangalink: 2908991 */
/* $data = "0041911003008002HP009uid100052007290899100829089918018Pangalink: 2908991"; */
// STEP 4. Verify the data with RSA-SHA1
// =====================================
if (openssl_verify ($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: