"1911", "VK_VERSION" => "008", "VK_SND_ID" => "EYP", "VK_REC_ID" => "uid100036", "VK_STAMP" => "2908995", "VK_REF" => "29089950", "VK_MSG" => "Pangalink: 2908995", "VK_ENCODING" => "UTF-8", "VK_LANG" => "EST", "VK_MAC" => "Ud8WyKS5ilHDU2ux4Sz9ysguZkXeBYqTmz+b2JqdyEcL5wX5pr1Y1GyG39pux/jY2QRGBF2CZ0GLVCo59oxZrFevzpElqHQpYHqPs+pbZ5ZZJ4L4RVAuMos4sKJ3rXS5JvTOTsTVXEnWmHziH+yxxV7jH+ILVVzxjdUkd/9RgHVrn3aaBNLK23gY33OVCp8SAZwC1bazvevvOkr/9nBjUc+lzEG8vEXA4Ep8fGpDz/qmKXPcIr8aYJOONDPAjK6RzRREVvprkJ2q103gpTOJ3rOdPl77SI+l/uerhpj6bLQN4Xk1bVvKXOVvTc40iZKUXcVnOYXIhlj1aemRXFc4ow==", "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) . $fields["VK_STAMP"] . /* 2908995 */ str_pad (mb_strlen($fields["VK_REF"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REF"] . /* 29089950 */ str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"]; /* Pangalink: 2908995 */ /* $data = "0041911003008003EYP009uid100036007290899500829089950018Pangalink: 2908995"; */ // STEP 4. Verify the data with RSA-SHA1 // ===================================== if (openssl_verify ($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: