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(PHP Extension) ITIDA Canonicalize JSON and Compute SHA256 HashSee more Egypt ITIDA ExamplesDemonstrates creating the canonical (ITIDA) version of a JSON document, and then computes the SHA256 hash of the canonicalized JSON. For more information, see https://sdk.invoicing.eta.gov.eg/signature-creation/
<?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. // Load the JSON containing the document to be signed. // The JSON file should look like this: // NOTE: The JSON should NOT begin with "{ "documents" : [ ..." // { // "issuer":{ // "address":{ // "branchID":"0", // "country":"EG", // "regionCity":"Cairo", // "postalCode":"", // "buildingNumber":"0", // "street":"123rd Street", // "governate":"GOVERNATE" // }, // "type":"B", // "id":"209999899", // "name":"Xyz SAE" // }, // ... // ... $sb = new CkStringBuilder(); $success = $sb->LoadFile('my_invoice.json','utf-8'); if ($success == false) { print 'Failed to load input file.' . "\n"; exit; } // Convert the contents of sb to the ITIDA canonical form. // Always pass utf-8 for the 2nd arg. $sb->Encode('itida','utf-8'); // Examine the canonicalized JSON print $sb->getAsString() . "\n"; // Compute the SHA256 hash and show the SHA256 in hex format print 'SHA256 hash: ' . $sb->getHash('sha256','hex','utf-8') . "\n"; ?> |
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