"1911", "VK_VERSION" => "008", "VK_SND_ID" => "LHV", "VK_REC_ID" => "uid100049", "VK_STAMP" => "66352", "VK_REF" => "663528", "VK_MSG" => "Order nr. 66352", "VK_ENCODING" => "UTF-8", "VK_LANG" => "EST", "VK_MAC" => "ijzpu0abn6UwjCtrm90ggwaSddLTEZ0/BQ8X7LpKFsMwVm3w7O1tGQDee8OfGJLgTYt6Yw/OQ/wYzebtpa+o+t9i+GSyIHbl1pR0Py6zB+StJcT166KdhNqFLGKhsGSAGFZjBj7X6SJT4cplr5yLtrH4LPjHfk0VFebmC1bSOFiBrm8C/oBwDBR15/8UUMMWBiJu1RLNfTT2IbYP2bLU/8bbDLE8QYNGtgyfYH/0s36T9odA1pV+mbAmVTaR1j77n0R1/5xBhnEqmQQjhHwL0lr40S5YFA7H0cnT+g0fheNhZ2BylYKL+h2cxB+B5UnQwuqLEPmH0qYdp6xk6By0fw==", "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) . $fields["VK_SERVICE"] . /* 1911 */ str_pad (mb_strlen($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) . $fields["VK_SND_ID"] . /* LHV */ str_pad (mb_strlen($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) . $fields["VK_STAMP"] . /* 66352 */ str_pad (mb_strlen($fields["VK_REF"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_REF"] . /* 663528 */ str_pad (mb_strlen($fields["VK_MSG"], "UTF-8"), 3, "0", STR_PAD_LEFT) . $fields["VK_MSG"]; /* Order nr. 66352 */ /* $data = "0041911003008003LHV009uid10004900566352006663528015Order nr. 66352"; */ // STEP 4. Verify the data with RSA-SHA1 // ===================================== if (openssl_verify ($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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