(Xojo Plugin) Create CAdES Signature (.p7s) Compliant with ICP-Brazil Digital Signature Standard PA AD RB v2.2

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Demonstrates how to create a CMS signature w/ policy ID that is compliant with the ICP-Brazil Digital Signature Standard PA AD RB v2.2

For more information, see https://validar.iti.gov.br/

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

// ------------------------------------------------------------------------------------------------------
// Note: This example creates a CMS signature (.p7s) that contains the PDF.
// It is different than signing a PDF.  To sign a PDF where the resulting PDF contains the CMS signature,
// see this example:  Sign PDF for ICP-Brasil
// ------------------------------------------------------------------------------------------------------

Dim crypt As New Chilkat.Crypt2

Dim cert As New Chilkat.Cert
Dim success As Boolean
success = cert.LoadPfxFile("mySigningCert.pfx","pfxPassword")
If (success <> True) Then
    System.DebugLog(cert.LastErrorText)
    Return
End If

success = crypt.SetSigningCert(cert)

// Create JSON to indicate which signing attributes to include.
Dim attrs As New Chilkat.JsonObject
success = attrs.UpdateBool("contentType",True)
success = attrs.UpdateBool("signingTime",True)
success = attrs.UpdateBool("messageDigest",True)
success = attrs.UpdateBool("signingCertificateV2",True)

success = attrs.UpdateString("policyId.hashAlg","SHA256")

// 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 --> 2.16.76.1.7.1.5.1
// 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 --> 2.16.76.1.7.1.1.1
// 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 --> 2.16.76.1.7.1.4.1
// 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 --> 2.16.76.1.7.1.2.1
// 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 --> 2.16.76.1.7.1.3.1
// 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

// Set the policy OID and the profile name
// Typically you should use the latest version.
success = attrs.UpdateString("policyId.id","2.16.76.1.7.1.1.2.3")
success = attrs.UpdateString("policyId.profile","PA_AD_RB_v2_3")

// If you wish to use another, such as v2.2
success = attrs.UpdateString("policyId.id","2.16.76.1.7.1.1.2.2")
success = attrs.UpdateString("policyId.profile","PA_AD_RB_v2_2")

crypt.SigningAttributes = attrs.Emit()

// The input file can be any type of file.
Dim inFile As String
inFile = "toBeSigned.pdf"
Dim outFile As String
outFile = "signed.pdf.p7s"

success = crypt.CreateP7M(inFile,outFile)
If (success = False) Then
    System.DebugLog(crypt.LastErrorText)
    Return
End If

System.DebugLog("Success.")