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(AutoIt) 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/
; 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" ; }, ; ... ; ... $oSb = ObjCreate("Chilkat_9_5_0.StringBuilder") Local $bSuccess = $oSb.LoadFile("my_invoice.json","utf-8") If ($bSuccess = False) Then ConsoleWrite("Failed to load input file." & @CRLF) Exit EndIf ; Convert the contents of sb to the ITIDA canonical form. ; Always pass utf-8 for the 2nd arg. $oSb.Encode("itida","utf-8") ; Examine the canonicalized JSON ConsoleWrite($oSb.GetAsString() & @CRLF) ; Compute the SHA256 hash and show the SHA256 in hex format ConsoleWrite("SHA256 hash: " & $oSb.GetHash("sha256","hex","utf-8") & @CRLF) |
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