"1111", "VK_VERSION" => "008", "VK_SND_ID" => "LHV", "VK_REC_ID" => "uid100049", "VK_STAMP" => "2429686", "VK_T_NO" => "10009", "VK_AMOUNT" => "22.5", "VK_CURR" => "EUR", "VK_REC_ACC" => "EE171010123456789017", "VK_REC_NAME" => "Veebimajutus", "VK_SND_ACC" => "EE597700771234567897", "VK_SND_NAME" => "Tõõger Leõpäöld", "VK_REF" => "24296861", "VK_MSG" => "Arve 2429686", "VK_T_DATETIME" => "2022-05-06T09:23:55+0000", "VK_ENCODING" => "UTF-8", "VK_LANG" => "EST", "VK_MAC" => "E4i93XKedFZl1T2jjelkK7MqAfnxRnsLoQALhpPAZIqp9yrlFcLv1cJxoFdj6VmyX1Pz7vIxH/xzRZwoUCAw92oQc1EAR5tbF0RSNe78zbqlIuqxQZ7NpOKN/KSc/7EZs78bD0F1d99t/UEW6h/8Kmr0JDLSB1I1YI+MvZCgco1NJ0QZqBybcfjFxo0yViibPMjVT5HodNwzYnzM5hLlSwckaNFeyPsmHl6mrclfsOccmb7kBDA8FXtNeBOd33jpP3s6MYZfgHOq2MhIsdVkIv0/vlXl07N5B16+yE5op3uslvb+N/gl4gXsprTvjtZBkK2rG9KZDZEV8a9BKmASiw==", "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! LHV 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) . $fields["VK_SND_ID"] . /* LHV */ str_pad (mb_strlen($fields["VK_REC_ID"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REC_ID"] . /* uid100049 */ str_pad (mb_strlen($fields["VK_STAMP"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_STAMP"] . /* 2429686 */ str_pad (mb_strlen($fields["VK_T_NO"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_T_NO"] . /* 10009 */ str_pad (mb_strlen($fields["VK_AMOUNT"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_AMOUNT"] . /* 22.5 */ str_pad (mb_strlen($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) . $fields["VK_SND_ACC"] . /* EE597700771234567897 */ str_pad (mb_strlen($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) . $fields["VK_REF"] . /* 24296861 */ str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"] . /* Arve 2429686 */ str_pad (mb_strlen($fields["VK_T_DATETIME"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_T_DATETIME"]; /* 2022-05-06T09:23:55+0000 */ /* $data = "0041111003008003LHV009uid10004900724296860051000900422.5003EUR020EE171010123456789017012Veebimajutus020EE597700771234567897015Tõõger Leõpäöld00824296861012Arve 24296860242022-05-06T09:23:55+0000"; */ // STEP 4. Verify the data with RSA-SHA1 // ===================================== if (openssl_verify ($data, base64_decode($fields["VK_MAC"]), $public_key) !== 1) { $signatureVerified = false; }else{ $signatureVerified = true; } // STEP 5. Display output of the received payment // ============================================== ?>

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