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(Classic ASP) CADES-BES Signature using ePass2003 TokenSee more Egypt ITIDA ExamplesDemonstrates 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.)
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% ' This example requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.ScMinidriver") set scmd = Server.CreateObject("Chilkat.ScMinidriver") ' Reader names (smart card readers or USB tokens) can be discovered ' via List Readers or Find Smart Cards readerName = "FS USB Token 0" success = scmd.AcquireContext(readerName) If (success = 0) Then Response.Write "<pre>" & Server.HTMLEncode( scmd.LastErrorText) & "</pre>" Response.End End If ' If successful, the name of the currently inserted smart card is available: Response.Write "<pre>" & Server.HTMLEncode( "Card name: " & scmd.CardName) & "</pre>" ' If desired, perform regular PIN authentication with the smartcard. ' For more details about smart card PIN authentication, see the Smart Card PIN Authentication Example retval = scmd.PinAuthenticate("user","12345678") If (retval <> 0) Then Response.Write "<pre>" & Server.HTMLEncode( "PIN Authentication failed.") & "</pre>" End If ' 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 certPart = "subjectCN" partValue = "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 ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Cert") set cert = Server.CreateObject("Chilkat.Cert") success = scmd.FindCert(certPart,partValue,cert) If (success = 0) Then Response.Write "<pre>" & Server.HTMLEncode( "Failed to find the certificate.") & "</pre>" success = scmd.DeleteContext() Response.End End If Response.Write "<pre>" & Server.HTMLEncode( "Successfully loaded the cert object from the smart card / USB token.") & "</pre>" ' 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.. ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Crypt2") set crypt = Server.CreateObject("Chilkat.Crypt2") ' Tell the crypt class to use the cert on the ePass2003 token. success = crypt.SetSigningCert(cert) If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( crypt.LastErrorText) & "</pre>" Response.End End If ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject") set cmsOptions = Server.CreateObject("Chilkat.JsonObject") ' Setting "DigestData" causes OID 1.2.840.113549.1.7.5 (digestData) to be used. success = cmsOptions.UpdateBool("DigestData",1) success = cmsOptions.UpdateBool("OmitAlgorithmIdNull",1) ' Indicate that we are passing normal JSON and we want Chilkat do automatically ' do the ITIDA JSON canonicalization: success = cmsOptions.UpdateBool("CanonicalizeITIDA",1) crypt.CmsOptions = 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. crypt.CadesEnabled = 1 crypt.HashAlgorithm = "sha256" ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject") set jsonSigningAttrs = Server.CreateObject("Chilkat.JsonObject") success = jsonSigningAttrs.UpdateInt("contentType",1) success = jsonSigningAttrs.UpdateInt("signingTime",1) success = jsonSigningAttrs.UpdateInt("messageDigest",1) success = jsonSigningAttrs.UpdateInt("signingCertificateV2",1) crypt.SigningAttributes = 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: 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, ' } ' ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject") set json = Server.CreateObject("Chilkat.JsonObject") success = json.LoadFile("qa_data/itida/sdk.invoicing.eta.gov.eg/files/one-doc.json") If (success = 0) Then Response.Write "<pre>" & Server.HTMLEncode( json.LastErrorText) & "</pre>" Response.End End If json.EmitCompact = 0 ' Create the CAdES-BES signature. crypt.EncodingMode = "base64" ' Make sure we sign the utf-8 byte representation of the JSON string crypt.Charset = "utf-8" sigBase64 = crypt.SignStringENC(json.Emit()) If (crypt.LastMethodSuccess = 0) Then Response.Write "<pre>" & Server.HTMLEncode( crypt.LastErrorText) & "</pre>" Response.End End If Response.Write "<pre>" & Server.HTMLEncode( "Base64 signature:") & "</pre>" Response.Write "<pre>" & Server.HTMLEncode( sigBase64) & "</pre>" ' Add the signature to the JSON. success = json.UpdateString("signatures[0].signatureType","I") success = json.UpdateString("signatures[0].value",sigBase64) Response.Write "<pre>" & Server.HTMLEncode( "JSON with signature added:") & "</pre>" Response.Write "<pre>" & Server.HTMLEncode( json.Emit()) & "</pre>" ' ------------------------------------------------------------------------------------------------------------ ' Cleanup our ScMinidriver session... ' When finished with operations that required authentication, you may if you wish, deauthenticate the session. success = scmd.PinDeauthenticate("user") If (success = 0) Then Response.Write "<pre>" & Server.HTMLEncode( scmd.LastErrorText) & "</pre>" End If ' Delete the context when finished with the card. success = scmd.DeleteContext() If (success = 0) Then Response.Write "<pre>" & Server.HTMLEncode( scmd.LastErrorText) & "</pre>" End If %> </body> </html> |
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