"3013", "VK_VERSION" => "008", "VK_DATETIME" => "2020-12-29T13:49:09+0000", "VK_SND_ID" => "HP", "VK_REC_ID" => "uid100052", "VK_RID" => "", "VK_NONCE" => "1", "VK_USER_NAME" => "Tõõgera Leõpäöldi", "VK_USER_ID" => "51001091072", "VK_COUNTRY" => "EE", "VK_OTHER" => "", "VK_TOKEN" => "5", "VK_ENCODING" => "UTF-8", "VK_MAC" => "t5za7K+c2ooBHnLZp9wgx5OLJAt+qsKzP/RFG/fDbE5Bw0xHWGyo2eqXVDkTap6P7FFmHwb0mySE+7Oh58PTpLdK7S9HO7bUx5clNozORH0Mhu38wNSu8tRO4T/A6KaD6HThqVLI7ICQ9TzMzbs2QPck9UxZt8/sx4u0m6ncez4HD1dzP/+qOS1JTDdmGgbLJZ+auoypCZ/MElMDnfJ1sA1yr/tSgg259/2X9OWa48vbE0T5wBSYJwXy2ndt7B91eaO87sG8HRMPZbYVGB0i8Cv+INs1koYjxYjJCk6iBIn2qq7ifgQY9QFKNu7aXfzFJBqKYVEv7sTuq6Y+G/Fxnw==" ); // 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! Swedbank 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) . $fields["VK_SERVICE"] . /* 3013 */ str_pad (mb_strlen($fields["VK_VERSION"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_VERSION"] . /* 008 */ str_pad (mb_strlen($fields["VK_DATETIME"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_DATETIME"] . /* 2020-12-29T13:49:09+0000 */ str_pad (mb_strlen($fields["VK_SND_ID"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_SND_ID"] . /* HP */ str_pad (mb_strlen($fields["VK_REC_ID"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REC_ID"] . /* uid100052 */ str_pad (mb_strlen($fields["VK_NONCE"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_NONCE"] . /* 1 */ str_pad (mb_strlen($fields["VK_USER_NAME"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_USER_NAME"] . /* Tõõgera Leõpäöldi */ str_pad (mb_strlen($fields["VK_USER_ID"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_USER_ID"] . /* 51001091072 */ str_pad (mb_strlen($fields["VK_COUNTRY"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_COUNTRY"] . /* EE */ str_pad (mb_strlen($fields["VK_OTHER"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_OTHER"] . /* */ str_pad (mb_strlen($fields["VK_TOKEN"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_TOKEN"] . /* 5 */ str_pad (mb_strlen($fields["VK_RID"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_RID"]; /* */ /* $data = "00430130030080242020-12-29T13:49:09+0000002HP009uid1000520011017Tõõgera Leõpäöldi01151001091072002EE0000015000"; */ // STEP 4. Verify the data with RSA-SHA1 // ===================================== if (openssl_verify ($data, base64_decode($fields["VK_MAC"]), $public_key) !== 1) { $signatureVerified = false; }else{ $signatureVerified = true; } // STEP 5. Display output of the received payment // ============================================== // Define device names $tokens = array( "1" => "ID card", "2" => "mobile ID", "5" => "one-off codes", "6" => "PIN calculator", "7" => "reusable card" ); ?>
Authentication results
User name
Country
User's personal identification code
Other user information
Authentication device
Signature: