PowerBuilder
PowerBuilder
Create Egypt ITIDA CAdES-BES Signature with Automatic JSON Canonicalization
See more Egypt ITIDA Examples
Demonstrates how to create a .p7s signature that fits Egypt's ITIDA requirements where Chilkat automatically does the ITIDA JSON canonicalization.Note: This example requires Chilkat v9.5.0.75 or greater.
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integer li_rc
long li_Success
oleobject loo_Crypt
oleobject loo_Cert
oleobject loo_CmsOptions
oleobject loo_JsonSigningAttrs
oleobject loo_Json
string ls_SigBase64
li_Success = 0
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
loo_Crypt = create oleobject
li_rc = loo_Crypt.ConnectToNewObject("Chilkat.Crypt2")
if li_rc < 0 then
destroy loo_Crypt
MessageBox("Error","Connecting to COM object failed")
return
end if
loo_Crypt.VerboseLogging = 1
loo_Cert = create oleobject
li_rc = loo_Cert.ConnectToNewObject("Chilkat.Cert")
loo_Cert.VerboseLogging = 1
// Set the smart card PIN, which will be needed for signing.
loo_Cert.SmartCardPin = "12345678"
// There are many ways to load the certificate.
// This example was created for a customer using an ePass2003 USB token.
// Assuming the USB token is the only source of a hardware-based private key..
li_Success = loo_Cert.LoadFromSmartcard("")
if li_Success <> 1 then
Write-Debug loo_Cert.LastErrorText
destroy loo_Crypt
destroy loo_Cert
return
end if
// Tell the crypt class to use this cert.
li_Success = loo_Crypt.SetSigningCert(loo_Cert)
if li_Success <> 1 then
Write-Debug loo_Crypt.LastErrorText
destroy loo_Crypt
destroy loo_Cert
return
end if
loo_CmsOptions = create oleobject
li_rc = loo_CmsOptions.ConnectToNewObject("Chilkat.JsonObject")
// Setting "DigestData" causes OID 1.2.840.113549.1.7.5 (digestData) to be used.
loo_CmsOptions.UpdateBool("DigestData",1)
loo_CmsOptions.UpdateBool("OmitAlgorithmIdNull",1)
// Indicate that we are passing normal JSON and we want Chilkat do automatically
// do the ITIDA JSON canonicalization:
loo_CmsOptions.UpdateBool("CanonicalizeITIDA",1)
loo_Crypt.CmsOptions = loo_CmsOptions.Emit()
// The CadesEnabled property applies to all methods that create CMS/PKCS7 signatures.
// To create a CAdES-BES signature, set this property equal to true.
loo_Crypt.CadesEnabled = 1
loo_Crypt.HashAlgorithm = "sha256"
loo_JsonSigningAttrs = create oleobject
li_rc = loo_JsonSigningAttrs.ConnectToNewObject("Chilkat.JsonObject")
loo_JsonSigningAttrs.UpdateInt("contentType",1)
loo_JsonSigningAttrs.UpdateInt("signingTime",1)
loo_JsonSigningAttrs.UpdateInt("messageDigest",1)
loo_JsonSigningAttrs.UpdateInt("signingCertificateV2",1)
loo_Crypt.SigningAttributes = loo_JsonSigningAttrs.Emit()
// By default, all the certs in the chain of authentication are included in the signature.
// If desired, we can choose to only include the signing certificate:
loo_Crypt.IncludeCertChain = 0
// Pass a JSON document such as the following. Chilkat will do the ITIDA canonicalization.
// (It is the canonicalized JSON that gets signed.)
// {
// "issuer":{
// "address":{
// "branchID":"0",
// "country":"EG",
// "regionCity":"Cairo",
// "postalCode":"",
// "buildingNumber":"0",
// "street":"123rd Street",
// "governate":"GOVERNATE"
// },
// "type":"B",
// "id":"209999899",
// "name":"Xyz SAE"
// },
// "receiver":{
// "address":{
// "country":"EG",
// "regionCity":"CAIRO",
// "postalCode":"11435",
// "buildingNumber":"0",
// "street":"Autostrad Road Abc",
// "governate":"GOVERNATE"
// },
// "type":"B",
// "id":"999999999",
// "name":"XYZ EGYPT FOR TRADE"
// },
// "documentType":"I",
// "documentTypeVersion":"1.0",
// "dateTimeIssued":"2020-11-15T11:04:53Z",
// "taxpayerActivityCode":"1073",
// "internalID":"ZZZZ999",
// "purchaseOrderReference":"2009199918",
// "salesOrderReference":"",
// "payment":{
// "bankName":"",
// "bankAddress":"",
// "bankAccountNo":"",
// "bankAccountIBAN":"",
// "swiftCode":"",
// "terms":""
// },
// "delivery":{
// "approach":"",
// "packaging":"",
// "dateValidity":"",
// "exportPort":"",
// "countryOfOrigin":"EG",
// "grossWeight":0,
// "netWeight":0,
// "terms":""
// },
// "invoiceLines":[
// {
// "description":"CDM Widget 48GX99X12BA",
// "itemType":"GS1",
// "itemCode":"7622213335056",
// "unitType":"CS",
// "quantity":1.00,
// "unitValue":{
// "currencySold":"EGP",
// "amountEGP":588.67,
// "amountSold":0,
// "currencyExchangeRate":0
// },
// "salesTotal":588.67,
// "total":603.97,
// "valueDifference":0,
// "totalTaxableFees":0,
// "netTotal":529.8,
// "itemsDiscount":0,
// "discount":{
// "rate":10.00,
// "amount":58.87
// },
// "taxableItems":[
// {
// "taxType":"T1",
// "amount":74.17,
// "subType":"No sub",
// "rate":14.00
// }
// ],
// "internalCode":"9099994"
// }
// ],
// "totalSales":588.67,
// "totalSalesAmount":588.67,
// "totalDiscountAmount":58.87,
// "netAmount":529.80,
// "taxTotals":[
// {
// "taxType":"T1",
// "amount":74.17
// }
// ],
// "extraDiscountAmount":0,
// "totalItemsDiscountAmount":0,
// "totalAmount":603.97,
// }
//
loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")
li_Success = loo_Json.LoadFile("qa_data/itida/sdk.invoicing.eta.gov.eg/files/one-doc.json")
if li_Success = 0 then
Write-Debug loo_Json.LastErrorText
destroy loo_Crypt
destroy loo_Cert
destroy loo_CmsOptions
destroy loo_JsonSigningAttrs
destroy loo_Json
return
end if
loo_Json.EmitCompact = 0
// Create the CAdES-BES signature.
loo_Crypt.EncodingMode = "base64"
// Make sure we sign the utf-8 byte representation of the JSON string
loo_Crypt.Charset = "utf-8"
ls_SigBase64 = loo_Crypt.SignStringENC(loo_Json.Emit())
if loo_Crypt.LastMethodSuccess = 0 then
Write-Debug loo_Crypt.LastErrorText
destroy loo_Crypt
destroy loo_Cert
destroy loo_CmsOptions
destroy loo_JsonSigningAttrs
destroy loo_Json
return
end if
Write-Debug "Base64 signature:"
Write-Debug ls_SigBase64
// Add the signature to the JSON.
loo_Json.UpdateString("signatures[0].signatureType","I")
loo_Json.UpdateString("signatures[0].value",ls_SigBase64)
Write-Debug "JSON with signature added:"
Write-Debug loo_Json.Emit()
destroy loo_Crypt
destroy loo_Cert
destroy loo_CmsOptions
destroy loo_JsonSigningAttrs
destroy loo_Json