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CADES-BES Signature using ePass2003 Token
See more Egypt ITIDA Examples
Demonstrates using a certificate and private key located on an ePass2003 USB token to create a CADES-BES signature.(Demonstrates how to create a .p7s signature that fits Egypt's ITIDA requirements where Chilkat automatically does the ITIDA JSON canonicalization.)
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Local $bSuccess = False
; This example requires the Chilkat API to have been previously unlocked.
; See Global Unlock Sample for sample code.
$oScmd = ObjCreate("Chilkat.ScMinidriver")
; Reader names (smart card readers or USB tokens) can be discovered
; via List Readers or Find Smart Cards
Local $sReaderName = "FS USB Token 0"
$bSuccess = $oScmd.AcquireContext($sReaderName)
If ($bSuccess = False) Then
ConsoleWrite($oScmd.LastErrorText & @CRLF)
Exit
EndIf
; If successful, the name of the currently inserted smart card is available:
ConsoleWrite("Card name: " & $oScmd.CardName & @CRLF)
; If desired, perform regular PIN authentication with the smartcard.
; For more details about smart card PIN authentication, see the Smart Card PIN Authentication Example
Local $iRetval = $oScmd.PinAuthenticate("user","12345678")
If ($iRetval <> 0) Then
ConsoleWrite("PIN Authentication failed." & @CRLF)
EndIf
; You can find a cerficate using any of the following certificate parts:
; "subjectDN" -- The full distinguished name of the cert.
; "subjectDN_withTags" -- Same as above, but in a format that includes the subject part tags, such as the "CN=" in "CN=something"
; "subjectCN" -- The common name part (CN) of the certificate's subject.
; "serial" -- The certificate serial number.
; "serial:issuerCN" -- The certificate serial number + the issuer's common name, delimited with a colon char.
; These are the same certificate parts that can be retrieved by listing certificates on the smart card (or USB token).
; See List Certificates on Smart Card Example
Local $sCertPart = "subjectCN"
Local $sPartValue = "Matt"
; If the certificate is found, it is loaded into the cert object.
; Note: We imported this certificate from a .p12/.pfx using code such as this Example to Import a .pfx/.p12 onto a Smart Card
$oCert = ObjCreate("Chilkat.Cert")
$bSuccess = $oScmd.FindCert($sCertPart,$sPartValue,$oCert)
If ($bSuccess = False) Then
ConsoleWrite("Failed to find the certificate." & @CRLF)
$oScmd.DeleteContext()
Exit
EndIf
ConsoleWrite("Successfully loaded the cert object from the smart card / USB token." & @CRLF)
; Note: When successful, the cert object is internally linked to the ScMinidriver object's authenticated session.
; The cert object can now be used to sign or do other cryptographic operations that occur on the smart card / USB token.
; If your application calls PinDeauthenticate or DeleteContext, the cert will no longer be able to sign on the smart card
; because the smart card ScMinidriver session will no longer be authenticated or deleted.
; ------------------------------------------------------------------------------------------------------------
; Here we have to code to create the CADES-BES signature using Chilkat Crypt2..
$oCrypt = ObjCreate("Chilkat.Crypt2")
; Tell the crypt class to use the cert on the ePass2003 token.
$bSuccess = $oCrypt.SetSigningCert($oCert)
If ($bSuccess <> True) Then
ConsoleWrite($oCrypt.LastErrorText & @CRLF)
Exit
EndIf
$oCmsOptions = ObjCreate("Chilkat.JsonObject")
; Setting "DigestData" causes OID 1.2.840.113549.1.7.5 (digestData) to be used.
$oCmsOptions.UpdateBool("DigestData",True)
$oCmsOptions.UpdateBool("OmitAlgorithmIdNull",True)
; Indicate that we are passing normal JSON and we want Chilkat do automatically
; do the ITIDA JSON canonicalization:
$oCmsOptions.UpdateBool("CanonicalizeITIDA",True)
$oCrypt.CmsOptions = $oCmsOptions.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.
$oCrypt.CadesEnabled = True
$oCrypt.HashAlgorithm = "sha256"
$oJsonSigningAttrs = ObjCreate("Chilkat.JsonObject")
$oJsonSigningAttrs.UpdateInt("contentType",1)
$oJsonSigningAttrs.UpdateInt("signingTime",1)
$oJsonSigningAttrs.UpdateInt("messageDigest",1)
$oJsonSigningAttrs.UpdateInt("signingCertificateV2",1)
$oCrypt.SigningAttributes = $oJsonSigningAttrs.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:
$oCrypt.IncludeCertChain = False
; 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,
; }
;
$oJson = ObjCreate("Chilkat.JsonObject")
$bSuccess = $oJson.LoadFile("qa_data/itida/sdk.invoicing.eta.gov.eg/files/one-doc.json")
If ($bSuccess = False) Then
ConsoleWrite($oJson.LastErrorText & @CRLF)
Exit
EndIf
$oJson.EmitCompact = False
; Create the CAdES-BES signature.
$oCrypt.EncodingMode = "base64"
; Make sure we sign the utf-8 byte representation of the JSON string
$oCrypt.Charset = "utf-8"
Local $sigBase64 = $oCrypt.SignStringENC($oJson.Emit())
If ($oCrypt.LastMethodSuccess = False) Then
ConsoleWrite($oCrypt.LastErrorText & @CRLF)
Exit
EndIf
ConsoleWrite("Base64 signature:" & @CRLF)
ConsoleWrite($sigBase64 & @CRLF)
; Add the signature to the JSON.
$oJson.UpdateString("signatures[0].signatureType","I")
$oJson.UpdateString("signatures[0].value",$sigBase64)
ConsoleWrite("JSON with signature added:" & @CRLF)
ConsoleWrite($oJson.Emit() & @CRLF)
; ------------------------------------------------------------------------------------------------------------
; Cleanup our ScMinidriver session...
; When finished with operations that required authentication, you may if you wish, deauthenticate the session.
$bSuccess = $oScmd.PinDeauthenticate("user")
If ($bSuccess = False) Then
ConsoleWrite($oScmd.LastErrorText & @CRLF)
EndIf
; Delete the context when finished with the card.
$bSuccess = $oScmd.DeleteContext()
If ($bSuccess = False) Then
ConsoleWrite($oScmd.LastErrorText & @CRLF)
EndIf