"1111",
"VK_VERSION" => "008",
"VK_SND_ID" => "EYP",
"VK_REC_ID" => "uid100036",
"VK_STAMP" => "2429402",
"VK_T_NO" => "10162",
"VK_AMOUNT" => "7.5",
"VK_CURR" => "EUR",
"VK_REC_ACC" => "EE171010123456789017",
"VK_REC_NAME" => "Veebimajutus",
"VK_SND_ACC" => "EE171010123456789017",
"VK_SND_NAME" => "Tõõger Leõpäöld",
"VK_REF" => "24294025",
"VK_MSG" => "Arve 2429402",
"VK_T_DATETIME" => "2022-08-19T13:52:52+0000",
"VK_ENCODING" => "UTF-8",
"VK_LANG" => "EST",
"VK_MAC" => "teR/2SQbkqJHBXmNGkn+z98ngwYO5oeH+xRSumWLvYYwRvBk0XaC9dvIXaXjRZbHNTmo4VZJy23lByr2XLMAoU+4Bq9ps1KRr1U447N09MAY17+/qooxVsN/OZQ+1dI5/t02dW2xZvIbx4o3nON3fy7J0f46mNRxAUdQf5dSsd2rbvZXzhHfcGuV/ExC6r7UgeZ6erH59kb2r3bloaOzflQjFEbI4lTCFJV04BtZ/1vIg+1PLiu3u+qSl8cBXT/5PDslmpEw1Tp03kBWVX1Y9KlVb6DSLvWjy+EV5tH+fdC+hJ5PYj594SY4SPt2Q31xjNvRcErPeXfWBQPya0Uoow==",
"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) . $fields["VK_SERVICE"] . /* 1111 */
str_pad (mb_strlen($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) . $fields["VK_STAMP"] . /* 2429402 */
str_pad (mb_strlen($fields["VK_T_NO"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_T_NO"] . /* 10162 */
str_pad (mb_strlen($fields["VK_AMOUNT"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_AMOUNT"] . /* 7.5 */
str_pad (mb_strlen($fields["VK_CURR"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_CURR"] . /* EUR */
str_pad (mb_strlen($fields["VK_REC_ACC"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REC_ACC"] . /* EE171010123456789017 */
str_pad (mb_strlen($fields["VK_REC_NAME"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REC_NAME"] . /* Veebimajutus */
str_pad (mb_strlen($fields["VK_SND_ACC"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_SND_ACC"] . /* EE171010123456789017 */
str_pad (mb_strlen($fields["VK_SND_NAME"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_SND_NAME"] . /* Tõõger Leõpäöld */
str_pad (mb_strlen($fields["VK_REF"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REF"] . /* 24294025 */
str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"] . /* Arve 2429402 */
str_pad (mb_strlen($fields["VK_T_DATETIME"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_T_DATETIME"]; /* 2022-08-19T13:52:52+0000 */
/* $data = "0041111003008003EYP009uid1000360072429402005101620037.5003EUR020EE171010123456789017012Veebimajutus020EE171010123456789017015Tõõger Leõpäöld00824294025012Arve 24294020242022-08-19T13:52:52+0000"; */
// STEP 4. Verify the data with RSA-SHA1
// =====================================
if (openssl_verify ($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: