(Lianja) Create CAdES-BES .p7m for FatturaPA XML Invoice

Demonstrates how to create a CAdES BES invoice.xml.p7m for the Italian FatturaPA exchange system.

Note: This example requires Chilkat v9.5.0.75.

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//  Note: Requires Chilkat v9.5.0.75 or greater.

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

loCrypt = createobject("CkCrypt2")

//  Use a digital certificate and private key from a PFX file (.pfx or .p12).
lcPfxPath = "qa_data/pfx/cert_test123.pfx"
lcPfxPassword = "test123"

loCert = createobject("CkCert")
llSuccess = loCert.LoadPfxFile(lcPfxPath,lcPfxPassword)
if (llSuccess <> .T.) then
    ? loCert.LastErrorText
    release loCrypt
    release loCert
    return
endif

//  Provide the signing cert (with associated private key).
llSuccess = loCrypt.SetSigningCert(loCert)
if (llSuccess <> .T.) then
    ? loCrypt.LastErrorText
    release loCrypt
    release loCert
    return
endif

//  Indicate that SHA-256 should be used.
loCrypt.HashAlgorithm = "sha256"

//  Specify the signed attributes to be included.
//  (This is what makes it CAdES-BES compliant.)
loJsonSignedAttrs = createobject("CkJsonObject")
loJsonSignedAttrs.UpdateInt("contentType",1)
loJsonSignedAttrs.UpdateInt("signingTime",1)
loJsonSignedAttrs.UpdateInt("messageDigest",1)
loJsonSignedAttrs.UpdateInt("signingCertificateV2",1)
loCrypt.SigningAttributes = loJsonSignedAttrs.Emit()

lcInFile = "qa_data/xml/IT01234567890_11002.xml"
lcSigFile = "qa_output/IT01234567890_11002.xml.p7m"

//  Create the CAdES-BES signature, which contains the original data.
llSuccess = loCrypt.CreateP7M(lcInFile,lcSigFile)
if (llSuccess = .F.) then
    ? loCrypt.LastErrorText
    release loCrypt
    release loCert
    release loJsonSignedAttrs
    return
endif

? "Success."


release loCrypt
release loCert
release loJsonSignedAttrs