"1911",
"VK_VERSION" => "008",
"VK_SND_ID" => "EYP",
"VK_REC_ID" => "uid100036",
"VK_STAMP" => "2908910",
"VK_REF" => "29089109",
"VK_MSG" => "Pangalink: 2908910",
"VK_ENCODING" => "UTF-8",
"VK_LANG" => "EST",
"VK_MAC" => "FEYus8u9Xt83N0rRxG7BL/avtRRCz37ZrgczmH8pad9+jCupBqrQgnUX8Mf1aGYsJOlg+LjXLSioWnAZd7RySIJXNmetaxq2exT5cYF3wIgQOweYZ85FatwXN1KXahjwpnLwbmJDa1+w+YHHb56L3ZlbNewApuGhC61+Hz1kxTuiHzn+xZpSTMoW5Xb0uLG7eF6hT0U5ERWmDc5EtNGJiO+JmdXCymcKHR88jG1w97IQ3KPeq3qpHMxF/fd0qr5hozuw4vwXgQNhXNLvWneciQsBKMq6JyL3uMbCLmsjjrhKLWEaAh7aZQ7qrMx60+0GeXkpxHBuIRlBI+YCP1vfzQ==",
"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! SEB 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) . $fields["VK_SND_ID"] . /* EYP */
str_pad (mb_strlen($fields["VK_REC_ID"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REC_ID"] . /* uid100036 */
str_pad (mb_strlen($fields["VK_STAMP"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_STAMP"] . /* 2908910 */
str_pad (mb_strlen($fields["VK_REF"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REF"] . /* 29089109 */
str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"]; /* Pangalink: 2908910 */
/* $data = "0041911003008003EYP009uid100036007290891000829089109018Pangalink: 2908910"; */
// STEP 4. Verify the data with RSA-SHA1
// =====================================
if (openssl_verify ($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: