"1111", "VK_VERSION" => "008", "VK_SND_ID" => "EYP", "VK_REC_ID" => "uid100036", "VK_STAMP" => "3513736", "VK_T_NO" => "10311", "VK_AMOUNT" => "63.39", "VK_CURR" => "EUR", "VK_REC_ACC" => "EE171010123456789017", "VK_REC_NAME" => "Veebimajutus", "VK_SND_ACC" => "EE171010123456789017", "VK_SND_NAME" => "Tõõger Leõpäöld", "VK_REF" => "35137362", "VK_MSG" => "Pangalink: 3513736", "VK_T_DATETIME" => "2024-09-09T09:03:52+0000", "VK_ENCODING" => "UTF-8", "VK_LANG" => "EST", "VK_MAC" => "iI9iQgJibN8rseyAMiexHGz2IvK0k4iXr4CjGTgHE3Cr4xy41h/IvgMGUVEd9zzwglBT3PLeTH4l2f5CTw+Qi1AJoyMbzU1qiPXiC0+YnNbETznKbHrp9lKq8r9lU9dyd17MP9eboeJABTlXlvCBsJeH2bqleyXfkLvNPFIl8xJ/C5NBP66M52uIXg4y6c8l2VSaZ7y97S5AQHKLpbkk6BYdS8YkePzpIrWgG0MvlhDpQzFtrstG72KPIo7pWTFPQMBPmupvKRFyxzVjQzWsPZ+ACF6bH4aj3zB6qfGf1wpQ4kdKKk5Ywv5tJGilj4UxHP6vD9dum3b685jmHMKIpA==", "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) . $fields["VK_STAMP"] . /* 3513736 */ str_pad (mb_strlen($fields["VK_T_NO"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_T_NO"] . /* 10311 */ str_pad (mb_strlen($fields["VK_AMOUNT"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_AMOUNT"] . /* 63.39 */ str_pad (mb_strlen($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) . $fields["VK_REF"] . /* 35137362 */ str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"] . /* Pangalink: 3513736 */ str_pad (mb_strlen($fields["VK_T_DATETIME"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_T_DATETIME"]; /* 2024-09-09T09:03:52+0000 */ /* $data = "0041111003008003EYP009uid10003600735137360051031100563.39003EUR020EE171010123456789017012Veebimajutus020EE171010123456789017015Tõõger Leõpäöld00835137362018Pangalink: 35137360242024-09-09T09:03:52+0000"; */ // STEP 4. Verify the data with RSA-SHA1 // ===================================== if (openssl_verify ($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: