Go Requires Chilkat v11.5.0+

Create CAdES (p7m) Signature using ARSS (Aruba Remote Signing Service)

See more Signing in the Cloud Examples

Demonstrates creating a CAdES (p7m) signature using the Aruba Remote Signing Service. Go

    success := false

    //  This example assumes the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    //  Load the certificate used for signing.  The certificate's private key is stored on 
    //  the Aruba.it server and the signing will happen remotely using the
    //  ARSS (Aruba Remote Signing Service).
    //  However, we still need the certificate locally (without private key).
    cert := chilkat.NewCert()
    success = cert.LoadFromFile("qa_data/certs/myCert.cer")
    if success == false {
        fmt.Println(cert.LastErrorText())
        cert.DisposeCert()
        return
    }

    //  To sign using the Aruba Remote Signing Service, 
    //  add the following lines of code to specify your authentication credentials,
    //  and the ID of the certificate w/ private key on the server to be used.
    jsonArss := chilkat.NewJsonObject()

    //  Set the "service" equal to "ARSS" to tell Chilkat to use ARSS for signing.
    jsonArss.UpdateString("service","ARSS")
    //  Specify the certificate ID, such as "AS0"
    //  This certificate should match the certificate loaded in the above code.
    jsonArss.UpdateString("certID","YOUR_ARSS_CERT_ID")
    jsonArss.UpdateString("otpPwd","YOUR_OTP_PWD")

    //  Specifies the OTP authentication environment.
    //  
    //  Common values are:
    //    "demoprod" - Demo/Test environment
    //    "prod"     - Production environment
    //  
    //  This value is sent to the ARSS service and determines how the OTP
    //  authentication is validated.  The correct value depends on the type
    //  of Aruba account and environment that has been provisioned.
    //  
    //  If signing fails with an authentication-related error, verify that
    //  the typeOtpAuth value matches the environment associated with the
    //  ARSS account credentials being used.
    jsonArss.UpdateString("typeOtpAuth","demoprod")

    jsonArss.UpdateString("user","YOUR_ARSS_USERNAME")
    jsonArss.UpdateString("userPWD","YOUR_ARSS_PASSWORD")

    //  The "endpoint" can be specified starting in Chilkat v11.5.0
    jsonArss.UpdateString("endpoint","https://app1.firma-remota.it/ArubaSignerService/webresources/signerservice")

    success = cert.SetCloudSigner(jsonArss)

    crypt := chilkat.NewCrypt2()

    success = crypt.SetSigningCert(cert)
    if success == false {
        fmt.Println(crypt.LastErrorText())
        cert.DisposeCert()
        jsonArss.DisposeJsonObject()
        crypt.DisposeCrypt2()
        return
    }

    //  The CadesEnabled property applies to all methods that create PKCS7 signatures. 
    //  To create a CAdES-BES signature, set this property equal to true.
    crypt.SetCadesEnabled(true)

    crypt.SetHashAlgorithm("sha256")

    signedAttrs := chilkat.NewJsonObject()
    signedAttrs.UpdateInt("contentType",1)
    signedAttrs.UpdateInt("signingTime",1)
    signedAttrs.UpdateInt("messageDigest",1)
    signedAttrs.UpdateInt("signingCertificateV2",1)
    crypt.SetSigningAttributes(signedAttrs.Emit())

    //  You can sign any type of file..
    inputXmlPath := "qa_data/e-Invoice.xml"
    outputP7mPath := "qa_output/signed.p7m"

    //  Create the CAdES-BES attached signature, which contains the original data.
    //  Chilkat will build the .p7m locally, but will (internally) use ARSS
    //  to do the RSA signing remotely.
    success = crypt.CreateP7M(inputXmlPath,outputP7mPath)
    if success == false {
        fmt.Println(crypt.LastErrorText())
        cert.DisposeCert()
        jsonArss.DisposeJsonObject()
        crypt.DisposeCrypt2()
        signedAttrs.DisposeJsonObject()
        return
    }

    fmt.Println("Success.")

    cert.DisposeCert()
    jsonArss.DisposeJsonObject()
    crypt.DisposeCrypt2()
    signedAttrs.DisposeJsonObject()