"1911", "VK_VERSION" => "008", "VK_SND_ID" => "HP", "VK_REC_ID" => "uid100052", "VK_STAMP" => "2908951", "VK_REF" => "29089510", "VK_MSG" => "Pangalink: 2908951", "VK_ENCODING" => "UTF-8", "VK_LANG" => "EST", "VK_MAC" => "l2rhokXi7ovHCgzc97Fz6eDzNqMb1vESddCt/Ff56HXwefkEFoFnkRGV8qrQmXSzXTDP3W7XISjS0FOhqhOJVfMU0sugkCsnvxPUIYLHFoswcOLyntqAFZLx+qejHfg0dsIRoSKqyNtPv859L1lY5DjpEG2BhKp5HM2ovzDfromxwujtpbfqWPZCaNxmOHCBcuylh61ZzODFtEflDMT4FHRIn2KpxCNzkVc1HkNxvDQdKYx7IxUmScV3Q6qUjjiHBlPd2PKmvgboB2+lqoz8LO65lHsM4gm6bv82Ym3cS+4cChHMnv6aw0JVbD10Mke0q6xb8loKcKLj/h19YU3UMg==", "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) . $fields["VK_REC_ID"] . /* uid100052 */ str_pad (mb_strlen($fields["VK_STAMP"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_STAMP"] . /* 2908951 */ str_pad (mb_strlen($fields["VK_REF"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REF"] . /* 29089510 */ str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"]; /* Pangalink: 2908951 */ /* $data = "0041911003008002HP009uid100052007290895100829089510018Pangalink: 2908951"; */ // STEP 4. Verify the data with RSA-SHA1 // ===================================== if (openssl_verify ($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: