"1911",
"VK_VERSION" => "008",
"VK_SND_ID" => "HP",
"VK_REC_ID" => "uid100052",
"VK_STAMP" => "3513787",
"VK_REF" => "35137870",
"VK_MSG" => "Pangalink: 3513787",
"VK_ENCODING" => "UTF-8",
"VK_LANG" => "EST",
"VK_MAC" => "ZN3nAVfH9s6eu0vMkoP9ilRir+EqfEBaTdIqLmPK27m60PTS5T297drbJVzzHJmci2P2cFkipxm/wRE8g7DH/deN/SBrKkuJKSMXs5s4sg2NTV9dY54Dk4Qu4TMCDVD7QZH0dGUAkCrv538QPCu8Il+syBXqEfAGfgv19BylupkaZiS6dikjyHp1qCNRFuIHsvyPpjamfeosZzFubOAL+QUJt2qNxZTZZ8pJEV8IzMHAk0ie+ZBpndIv5uWJbH0ICBpMNHuNUi3PwxfmdF6Bn+LJYJfNOwLxNJ3k2w6jelZLkKttR8NaYfpUfVwHBhYcntSBj8O2nxbZiErhZSvgxw==",
"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) . $fields["VK_STAMP"] . /* 3513787 */
str_pad (mb_strlen($fields["VK_REF"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REF"] . /* 35137870 */
str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"]; /* Pangalink: 3513787 */
/* $data = "0041911003008002HP009uid100052007351378700835137870018Pangalink: 3513787"; */
// STEP 4. Verify the data with RSA-SHA1
// =====================================
if (openssl_verify ($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: