"1111",
"VK_VERSION" => "008",
"VK_SND_ID" => "EYP",
"VK_REC_ID" => "uid100036",
"VK_STAMP" => "3513797",
"VK_T_NO" => "10338",
"VK_AMOUNT" => "37.24",
"VK_CURR" => "EUR",
"VK_REC_ACC" => "EE171010123456789017",
"VK_REC_NAME" => "Veebimajutus",
"VK_SND_ACC" => "EE171010123456789017",
"VK_SND_NAME" => "Tõõger Leõpäöld",
"VK_REF" => "35137977",
"VK_MSG" => "Pangalink: 3513797",
"VK_T_DATETIME" => "2025-02-07T16:32:39+0000",
"VK_ENCODING" => "UTF-8",
"VK_LANG" => "EST",
"VK_MAC" => "uvaQs7tG19yQW5oV0ekvjKBcX0rhuFv8ocokc5mSF/UjBQN0HPM/5dhlYJF1qDHDo7v51k4YBNyqvugHDqtE8eiOZltqmLV2DA5NNblRufmzMWv1OaG60MibNk9ppRvtl/D1Zfauxr+Tc0FDRsxum0ILNm0bYwnUnFu3oiWujcc+H9rFl2dX4bxhiFDMZXsKY8IKdKqnFbT9kT/VKk+nA3ga1YIO7KCqgtQAfCRF7i8vgk4Yl77qa89yRNytKpLX2JhiqnwNsZdfIONTcFduGlIiTvQv44qkzsZ02JhvwOVCx5FPSqA55R3vmXqPVEyPJ6iXUqsRiqgNYO6Xrj51Bw==",
"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) . $fields["VK_STAMP"] . /* 3513797 */
str_pad (mb_strlen($fields["VK_T_NO"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_T_NO"] . /* 10338 */
str_pad (mb_strlen($fields["VK_AMOUNT"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_AMOUNT"] . /* 37.24 */
str_pad (mb_strlen($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) . $fields["VK_REF"] . /* 35137977 */
str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"] . /* Pangalink: 3513797 */
str_pad (mb_strlen($fields["VK_T_DATETIME"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_T_DATETIME"]; /* 2025-02-07T16:32:39+0000 */
/* $data = "0041111003008003EYP009uid10003600735137970051033800537.24003EUR020EE171010123456789017012Veebimajutus020EE171010123456789017015Tõõger Leõpäöld00835137977018Pangalink: 35137970242025-02-07T16:32:39+0000"; */
// STEP 4. Verify the data with RSA-SHA1
// =====================================
if (openssl_verify ($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: