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(PHP Extension) Hungary NAV Invoicing Signature CalculationDemonstrates the requestSignature calculation for the Hungarian NAV Online Invoicing System REST API v2.0. Note: This example requires Chilkat v9.5.0.83 or greater. For more information, see https://onlineszamla.nav.gov.hu/api/files/container/download/Online%20Szamla_Interfesz%20specifik%C3%A1ci%C3%B3_EN_v2.0.pdf
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // This example performs the following calculation: // 1.5.1 Calculations for manageInvoice and manageAnnulment operations // // For the manageInvoice and manageAnnulment operations comprising the core of requestSignature, // requestSignature is calculated using partial authentication, concatenating the hash values for // indices 1-100 as well as additional SHA3-512 hash operations. The partial authentication can be // derived by concatenating the following values: // // - requestId value // - UTC timestamp tag value using a YYYYMMDDhhmmss mask // - string literal of the technical users signature key // // When concatenating, the date and time separators as well as the time zone must be removed for timestamp masking. // // The index hash value can be derived from the uppercase SHA3-512 hash values following the concatenation of the // operation and base64 content for the individual indices: // // - literal value of invoiceOperation or annulmentOperation // - base64 content in the invoiceData or invoiceAnnulment tag // // The calculated hash values should be appended after the partial hash, in the order corresponding to the indices. // The SHA3-512 hash result (capitals) of the string thus concatenated yields the requestSignature value. // // A fictitious example for request data: // // - requestId = TSTKFT1222564 // - timestamp = 2017-12-30T18:25:45.000Z // - technical users signature key = ce-8f5e-215119fa7dd621DLMRHRLH2S // - the index#1 invoice data items // - invoiceOperation = CREATE // - invoiceData = QWJjZDEyMzQ= // - the index#2 invoice data items // - invoiceOperation = MODIFY // - invoiceData = RGNiYTQzMjE= // - partial authentication value = TSTKFT122256420171230182545ce-8f5e-215119fa7dd621DLMRHRLH2S // - the first index hash = // - hash base = CREATEQWJjZDEyMzQ= // - lowercase hash = 4317798460962869bc67f07c48ea7e4a3afa301513ceb87b8eb94ecf92bc220a89c480f87f0860e85e29a3b6c0463d4f29712c5ad48104a6486ce839dc2f24cb // - uppercase hash = 4317798460962869BC67F07C48EA7E4A3AFA301513CEB87B8EB94ECF92BC220A89C480F87F0860E85E29A3B6C0463D4F29712C5AD48104A6486CE839DC2F24CB // - the second index hash = // - hash base = MODIFYRGNiYTQzMjE= // - lowercase hash = a881218238933f6ffb9e167445cb4daa9749bcf484fde48ab7649fd25e8b634a4736a65a7c4a8e2831119f739837e006566f97370415aad55e268605206f2a6c // - uppercase hash = A881218238933F6FFB9E167445CB4DAA9749BCF484FDE48AB7649FD25E8B634A4736A65A7C4A8E2831119F739837E006566F97370415AAD55E268605206F2A6C // // Thus, the base for the entire requestSignature is: // TSTKFT122256420171230182545ce-8f5e-215119fa7dd621DLMRHRLH2S4317798460962869BC67F07C48EA7E4A3AFA301513CEB87B8EB94ECF92BC220A89C480F87F0860E85E29A3B6C0463D4F29712C5AD48104A6486CE839DC2F24CBA881218238933F6FFB9E167445CB4DAA9749BCF484FDE48AB7649FD25E8B634A4736A65A7C4A8E2831119F739837E006566F97370415AAD55E268605206F2A6C // // Value of requestSignature after SHA3-512 hashing and converting to uppercase: // 60BC80609EE3B8F42FE904200A49A1921A1DADA08D55319ACD40C59F626514B74EEA49011D372600A10DBCF8199D590DA9C2841D987308F2D83DAE17C2470C42 // // ------------------- $crypt = new CkCrypt2(); // IMPORTANT: This example requires Chilkat v9.5.0.83 or greater. The SHA3 hash algorithm is implemented in Chilkat v9.5.0.83, but not in earlier versions. // IMPORTANT: This example requires Chilkat v9.5.0.83 or greater. The SHA3 hash algorithm is implemented in Chilkat v9.5.0.83, but not in earlier versions. // IMPORTANT: This example requires Chilkat v9.5.0.83 or greater. The SHA3 hash algorithm is implemented in Chilkat v9.5.0.83, but not in earlier versions. // IMPORTANT: This example requires Chilkat v9.5.0.83 or greater. The SHA3 hash algorithm is implemented in Chilkat v9.5.0.83, but not in earlier versions. // IMPORTANT: This example requires Chilkat v9.5.0.83 or greater. The SHA3 hash algorithm is implemented in Chilkat v9.5.0.83, but not in earlier versions. $crypt->put_HashAlgorithm('sha3-512'); $crypt->put_EncodingMode('hex'); $requestId = 'TSTKFT1222564'; $timestamp = '2017-12-30T18:25:45.000Z'; $signatureKey = 'ce-8f5e-215119fa7dd621DLMRHRLH2S'; // Step 1: Concatenate requestId, UTC timestamp, and user's signature key. $sbFinalHashBase = new CkStringBuilder(); // First append the timestamp because we are going to remove certain chars/parts. $sbFinalHashBase->Append($timestamp); $numReplaced = $sbFinalHashBase->Replace('.000Z',''); $numReplaced = $sbFinalHashBase->Replace('-',''); $numReplaced = $sbFinalHashBase->Replace(':',''); $numReplaced = $sbFinalHashBase->Replace('T',''); // Prepend the requestId and append the signatureKey $sbFinalHashBase->Prepend($requestId); $sbFinalHashBase->Append($signatureKey); // Step 2: Calculate first index hash. $invoiceOperation = 'CREATE'; $invoiceData = 'QWJjZDEyMzQ='; $sbHashBase = new CkStringBuilder(); $sbHashBase->Append($invoiceOperation); $sbHashBase->Append($invoiceData); print 'first hash base = ' . $sbHashBase->getAsString() . "\n"; $firstHash = $crypt->hashStringENC($sbHashBase->getAsString()); print 'first hash = ' . $firstHash . "\n"; // Output should be: // first hash base = CREATEQWJjZDEyMzQ= // first hash = 4317798460962869BC67F07C48EA7E4A3AFA301513CEB87B8EB94ECF92BC220A89C480F87F0860E85E29A3B6C0463D4F29712C5AD48104A6486CE839DC2F24CB // Step 3: Calculate second index hash. $invoiceOperation = 'MODIFY'; $invoiceData = 'RGNiYTQzMjE='; $sbHashBase->Clear(); $sbHashBase->Append($invoiceOperation); $sbHashBase->Append($invoiceData); print 'second hash base = ' . $sbHashBase->getAsString() . "\n"; $secondHash = $crypt->hashStringENC($sbHashBase->getAsString()); print 'second hash = ' . $secondHash . "\n"; // Output should be: // second hash base = MODIFYRGNiYTQzMjE= // second hash = A881218238933F6FFB9E167445CB4DAA9749BCF484FDE48AB7649FD25E8B634A4736A65A7C4A8E2831119F739837E006566F97370415AAD55E268605206F2A6C // Step 4: Append the uppercase hex hashes to the sbFinalHashBase $sbFinalHashBase->Append($firstHash); $sbFinalHashBase->Append($secondHash); print 'sbFinalHashBase = ' . $sbFinalHashBase->getAsString() . "\n"; // Step 5: SHA3-512 hash to get the requestSignature $requestSignature = $crypt->hashStringENC($sbFinalHashBase->getAsString()); print 'requestSignature = ' . $requestSignature . "\n"; // Output should be: // requestSignature = 60BC80609EE3B8F42FE904200A49A1921A1DADA08D55319ACD40C59F626514B74EEA49011D372600A10DBCF8199D590DA9C2841D987308F2D83DAE17C2470C42 ?> |
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