Classic ASP
Sign PDF for ICP-Brasil

Sign a PDF to create a signed PDF compliant with the ICP-Brasil Digital Signature Standard Conformity Checker. (Verificador de Conformidade do Padrão de Assinatura Digital ICP-Brasil)
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Classic ASP
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

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

'  The signed PDF produced by this example should be verifiable at https://validar.iti.gov.br/
set pdf = Server.CreateObject("Chilkat.Pdf")

'  Load a PDF to be signed.
'  The "hello.pdf" is available at https://chilkatsoft.com/hello.pdf
success = pdf.LoadFile("qa_data/pdf/hello.pdf")
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( pdf.LastErrorText) & "</pre>"
    Response.End
End If

set json = Server.CreateObject("Chilkat.JsonObject")

'  Define the appearance and location of the signature.
success = json.UpdateInt("page",1)
success = json.UpdateString("appearance.y","bottom")
success = json.UpdateString("appearance.x","middle")
success = json.UpdateString("appearance.fontScale","9.0")
success = json.UpdateString("appearance.text[0]","Digitally signed by: cert_cn")
success = json.UpdateString("appearance.text[1]","current_dt")
success = json.UpdateString("appearance.image","document-accepted")
success = json.UpdateString("appearance.imagePlacement","left")
success = json.UpdateString("appearance.imageOpacity","100")

'  Add the CMS options required for ICP-Brasil
success = json.UpdateInt("contentType",1)
success = json.UpdateInt("messageDigest",1)
success = json.UpdateInt("signingCertificateV2",1)
success = json.UpdateBool("ltvOcsp",1)

'  Listed here are the currently existing profiles. (Chilkat will add additional ICP Brasil policy profiles in future versions as new ones are created.)
'  See https://www.gov.br/iti/pt-br/assuntos/repositorio/artefatos-de-assinatura-digital for more information.
'  
'  PA_AD_RA_v1_1 --> 2.16.76.1.7.1.5.1.1
'  PA_AD_RA_v1_2 --> 2.16.76.1.7.1.5.1.2
'  PA_AD_RA_v2_0 --> 2.16.76.1.7.1.5.2
'  PA_AD_RA_v2_1 --> 2.16.76.1.7.1.5.2.1
'  PA_AD_RA_v2_2 --> 2.16.76.1.7.1.5.2.2
'  PA_AD_RA_v2_3 --> 2.16.76.1.7.1.5.2.3
'  PA_AD_RA_v2_4 --> 2.16.76.1.7.1.5.2.4

'  PA_AD_RB_v1_1 --> 2.16.76.1.7.1.1.1.1
'  PA_AD_RB_v2_0 --> 2.16.76.1.7.1.1.2
'  PA_AD_RB_v2_1 --> 2.16.76.1.7.1.1.2.1
'  PA_AD_RB_v2_2 --> 2.16.76.1.7.1.1.2.2
'  PA_AD_RB_v2_3 --> 2.16.76.1.7.1.1.2.3

'  PA_AD_RC_v1_1 --> 2.16.76.1.7.1.4.1.1
'  PA_AD_RC_v2_0 --> 2.16.76.1.7.1.4.2
'  PA_AD_RC_v2_1 --> 2.16.76.1.7.1.4.2.1
'  PA_AD_RC_v2_2 --> 2.16.76.1.7.1.4.2.2
'  PA_AD_RC_v2_3 --> 2.16.76.1.7.1.4.2.3

'  PA_AD_RT_v1_1 --> 2.16.76.1.7.1.2.1.1
'  PA_AD_RT_v2_0 --> 2.16.76.1.7.1.2.2
'  PA_AD_RT_v2_1 --> 2.16.76.1.7.1.2.2.1
'  PA_AD_RT_v2_2 --> 2.16.76.1.7.1.2.2.2
'  PA_AD_RT_v2_3 --> 2.16.76.1.7.1.2.2.3

'  PA_AD_RV_v1_1 --> 2.16.76.1.7.1.3.1.1
'  PA_AD_RV_v2_0 --> 2.16.76.1.7.1.3.2
'  PA_AD_RV_v2_1 --> 2.16.76.1.7.1.3.2.1
'  PA_AD_RV_v2_2 --> 2.16.76.1.7.1.3.2.2
'  PA_AD_RV_v2_3 --> 2.16.76.1.7.1.3.2.3

'  PA_PAdES_AD_RA_v1_0 --> 2.16.76.1.7.1.14.1
'  PA_PAdES_AD_RA_v1_1 --> 2.16.76.1.7.1.14.1.1
'  PA_PAdES_AD_RA_v1_2 --> 2.16.76.1.7.1.14.1.2
'  PA_PAdES_AD_RB_v1_0 --> 2.16.76.1.7.1.11.1
'  PA_PAdES_AD_RB_v1_1 --> 2.16.76.1.7.1.11.1.1
'  PA_PAdES_AD_RC_v1_0 --> 2.16.76.1.7.1.13.1
'  PA_PAdES_AD_RC_v1_1 --> 2.16.76.1.7.1.13.1.1
'  PA_PAdES_AD_RC_v1_2 --> 2.16.76.1.7.1.13.1.2
'  PA_PAdES_AD_RT_v1_0 --> 2.16.76.1.7.1.12.1
'  PA_PAdES_AD_RT_v1_1 --> 2.16.76.1.7.1.12.1.1

'  Set the policy profile name
'  ---------------------------------------------------
'  Note: On 24-May-2024, I was informed that adding the "policyId.profile"
'  causes the PDF signature to fail validation at https://validar.iti.gov.br/
'  Perhaps something changed in the years since this example was originally written and tested to be working.
'  You may need to omit the "policyId.profile".
'  ---------------------------------------------------
success = json.UpdateString("policyId.profile","PA_PAdES_AD_RB_v1_1")

'  Load the signing certificate. (Use your own certificate.)
'  Note: If loading from a smart card, call LoadFromSmartcard instead, and make sure to use Chilkat v9.5.0.88 or later.
set cert = Server.CreateObject("Chilkat.Cert")
success = cert.LoadPfxFile("qa_data/pfx/myPdfSigningCert.pfx","pfx_password")
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( cert.LastErrorText) & "</pre>"
    Response.End
End If

'  Tell the pdf object to use the certificate for signing.
success = pdf.SetSigningCert(cert)
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( pdf.LastErrorText) & "</pre>"
    Response.End
End If

success = pdf.SignPdf(json,"qa_output/hello_signed.pdf")
If (success = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( pdf.LastErrorText) & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( "The PDF has been successfully cryptographically signed.") & "</pre>"

%>
</body>
</html>