"1911", "VK_VERSION" => "008", "VK_SND_ID" => "HP", "VK_REC_ID" => "uid100049", "VK_STAMP" => "51478", "VK_REF" => "", "VK_MSG" => "51478-79334", "VK_ENCODING" => "UTF-8", "VK_LANG" => "EST", "VK_MAC" => "r6/1xKTLFpEjFQ8KwzgDGVNL3UlBw3eH6NHEcYcqSbpWQ2HFJXmTNKj/gjDbxhMnZsnIEF1JpvEWvgfIIy5GAWnW/gK0wXkwytFnyAJqqSeMlvwT7p47sjFmXhDwHJW2rzcAz6E85kLN9Nmy+mN93u4BmYO1LUmsk9ML0cRbTwiAUQBRzoNv6tmOvceRX7DY0yDm0Vhf7hGffR4bmcCR5aQ5pbJDCwLTVpjh8Tv6K3N4MCuR7vdQDUkzu4P3hPQN+ocJ+i6h/YIwZZe8S9G5vP/eeHwk6Mm7v88mNzo6nWMWMZRP1UXMki+w1V0JjXK2832TTyO1S5/2Yq3GVVeGmw==", "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! 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) . $fields["VK_SERVICE"] . /* 1911 */ str_pad (mb_strlen($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) . $fields["VK_SND_ID"] . /* HP */ str_pad (mb_strlen($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) . $fields["VK_STAMP"] . /* 51478 */ str_pad (mb_strlen($fields["VK_REF"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REF"] . /* */ str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"]; /* 51478-79334 */ /* $data = "0041911003008002HP009uid1000490055147800001151478-79334"; */ // STEP 4. Verify the data with RSA-SHA1 // ===================================== if (openssl_verify ($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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