"1901",
"VK_VERSION" => "008",
"VK_SND_ID" => "HP",
"VK_REC_ID" => "uid100010",
"VK_STAMP" => "2669",
"VK_REF" => "26699",
"VK_MSG" => "daf0b2aec131ff2e11c00f535c7e9cc2",
"VK_ENCODING" => "UTF-8",
"VK_LANG" => "LIT",
"VK_MAC" => "bR/XySeLMsowmiM63zOP8e54doOWpZbfzvX5fYJ++62kUQ4wfPBS8Tctk4wjxcdwMEjHiSrbOGjyT6Myr0P2XEnB1QtLwyyuKkQu9oTwr0AnKiMoR+CK2O/vvg8HT5fxXazyFNeArJFDMKOc2BVpkxE2wW9MvknX4kUwhi+u6w5VRKacPb1UaEvKyew+klQSnhvvNCw2+9VenKbH2nq7rPwxWorSxcst86O2vdRY5vD3rJEYHTgJ/fsPR4QfDR2PF9ARxMcfM81QV/W1VPtcfaOY3O3EfX9QmTChddz4R2Uo0llmgk0O7lTNUihPNz6MH8puLxl4l7abei0oaLBJwg==",
"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 Lithuania 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) . $fields["VK_SERVICE"] . /* 1901 */
str_pad (mb_strlen($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) . $fields["VK_REC_ID"] . /* uid100010 */
str_pad (mb_strlen($fields["VK_STAMP"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_STAMP"] . /* 2669 */
str_pad (mb_strlen($fields["VK_REF"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REF"] . /* 26699 */
str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"]; /* daf0b2aec131ff2e11c00f535c7e9cc2 */
/* $data = "0041901003008002HP009uid100010004266900526699032daf0b2aec131ff2e11c00f535c7e9cc2"; */
// STEP 4. Verify the data with RSA-SHA1
// =====================================
if (openssl_verify ($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: