"1911", "VK_VERSION" => "008", "VK_SND_ID" => "EYP", "VK_REC_ID" => "uid100036", "VK_STAMP" => "3513772", "VK_REF" => "35137728", "VK_MSG" => "Pangalink: 3513772", "VK_ENCODING" => "UTF-8", "VK_LANG" => "EST", "VK_MAC" => "IEmratnjyf/+APlOvAZv9dlt2jHKOR6hc6ASsVOrhTwl7Gyt6RSuO/sh+g1wm4S8mBlQUQaAhjvdEhxPe0ll/8BuN4yK2ZOTkaXLvwjP90KK1H2WqvwENJDgUybEAVMZEiatUOEvMf5P9CNOAt3PyscyjHkRbWd8E6FfIJMtneCkuehqJzFEjS1x0ApCwCn6GPpEURJLnTsiBF9NQrkP4zmP5T0lIQvnUuxJwCbIVcsRzg/lOrMCdEqIdOfqMRKUj6aQ6YrfTHOE2rQW5Lmx0uB+8GtBKWR5HZIYAptv8p9yD5TxapBEMFVof3343UrAGoYWakfmu2FJ0m4MGTe1YA==", "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) . $fields["VK_STAMP"] . /* 3513772 */ str_pad (mb_strlen($fields["VK_REF"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REF"] . /* 35137728 */ str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"]; /* Pangalink: 3513772 */ /* $data = "0041911003008003EYP009uid100036007351377200835137728018Pangalink: 3513772"; */ // STEP 4. Verify the data with RSA-SHA1 // ===================================== if (openssl_verify ($data, base64_decode($fields["VK_MAC"]), $public_key) !== 1) { $signatureVerified = false; }else{ $signatureVerified = true; } // STEP 5. Display output of the received payment // ============================================== ?>

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