(Lianja) Sign PDF using ARSS (Aruba Remote Signing Service)

See more Signing in the Cloud Examples

Demonstrates how to sign a PDF using the Aruba Remote Signing Service (ARSS).

Note: This example requires Chilkat v9.5.0.96 or greater.

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

loPdf = createobject("CkPdf")

// Load a PDF to be signed.
llSuccess = loPdf.LoadFile("qa_data/pdf/hello.pdf")
if (llSuccess = .F.) then
    ? loPdf.LastErrorText
    release loPdf
    return
endif

// Options for signing are specified in JSON.
loJson = createobject("CkJsonObject")

// Indicate that we want an LTV-enabled signature
loJson.UpdateBool("ltvOcsp",.T.)

// Define the appearance of the signature.
loJson.UpdateInt("page",1)
loJson.UpdateString("appearance.y","top")
loJson.UpdateString("appearance.x","left")
loJson.UpdateString("appearance.fontScale","10.0")
loJson.UpdateString("appearance.text[0]","Digitally signed by: cert_cn")
loJson.UpdateString("appearance.text[1]","current_dt")
loJson.UpdateString("appearance.text[2]","This is an LTV-enabled signature.")

// 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).
loCert = createobject("CkCert")
llSuccess = loCert.LoadFromFile("qa_data/certs/myCert.cer")
if (llSuccess = .F.) then
    ? loCert.LastErrorText
    release loPdf
    release loJson
    release loCert
    return
endif

// 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.
loJsonArss = createobject("CkJsonObject")

// Set the "service" equal to "ARSS" to tell Chilkat to use ARSS for signing.
loJsonArss.UpdateString("service","ARSS")
// Specify the certificate ID, such as "AS0"
// This certificate should match the certificate loaded in the above code.
loJsonArss.UpdateString("certID","YOUR_ARSS_CERT_ID")
loJsonArss.UpdateString("otpPwd","YOUR_OTP_PWD")
loJsonArss.UpdateString("typeOtpAuth","demoprod")
loJsonArss.UpdateString("user","YOUR_ARSS_USERNAME")
loJsonArss.UpdateString("userPWD","YOUR_ARSS_PASSWORD")
llSuccess = loCert.SetCloudSigner(loJsonArss)

// Tell the pdf object to use the certificate for signing.
llSuccess = loPdf.SetSigningCert(loCert)
if (llSuccess = .F.) then
    ? loPdf.LastErrorText
    release loPdf
    release loJson
    release loCert
    release loJsonArss
    return
endif

// Chilkat will build the signed PDF locally, but will (internally) use ARSS
// to do the RSA sign hash operation.
llSuccess = loPdf.SignPdf(loJson,"qa_output/hello_ltv_signed.pdf")
if (llSuccess = .F.) then
    ? loPdf.LastErrorText
    release loPdf
    release loJson
    release loCert
    release loJsonArss
    return
endif

? "The PDF has been successfully cryptographically signed with long-term validation."


release loPdf
release loJson
release loCert
release loJsonArss