(Tcl) 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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load ./chilkat.dll

# 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.

set crypt [new_CkCrypt2]

# Use a digital certificate and private key from a PFX file (.pfx or .p12).
set pfxPath "qa_data/pfx/cert_test123.pfx"
set pfxPassword "test123"

set cert [new_CkCert]

set success [CkCert_LoadPfxFile $cert $pfxPath $pfxPassword]
if {$success != 1} then {
    puts [CkCert_lastErrorText $cert]
    delete_CkCrypt2 $crypt
    delete_CkCert $cert
    exit
}

# Provide the signing cert (with associated private key).
set success [CkCrypt2_SetSigningCert $crypt $cert]
if {$success != 1} then {
    puts [CkCrypt2_lastErrorText $crypt]
    delete_CkCrypt2 $crypt
    delete_CkCert $cert
    exit
}

# Indicate that SHA-256 should be used.
CkCrypt2_put_HashAlgorithm $crypt "sha256"

# Specify the signed attributes to be included.
# (This is what makes it CAdES-BES compliant.)
set jsonSignedAttrs [new_CkJsonObject]

CkJsonObject_UpdateInt $jsonSignedAttrs "contentType" 1
CkJsonObject_UpdateInt $jsonSignedAttrs "signingTime" 1
CkJsonObject_UpdateInt $jsonSignedAttrs "messageDigest" 1
CkJsonObject_UpdateInt $jsonSignedAttrs "signingCertificateV2" 1
CkCrypt2_put_SigningAttributes $crypt [CkJsonObject_emit $jsonSignedAttrs]

set inFile "qa_data/xml/IT01234567890_11002.xml"
set sigFile "qa_output/IT01234567890_11002.xml.p7m"

# Create the CAdES-BES signature, which contains the original data.
set success [CkCrypt2_CreateP7M $crypt $inFile $sigFile]
if {$success == 0} then {
    puts [CkCrypt2_lastErrorText $crypt]
    delete_CkCrypt2 $crypt
    delete_CkCert $cert
    delete_CkJsonObject $jsonSignedAttrs
    exit
}

puts "Success."

delete_CkCrypt2 $crypt
delete_CkCert $cert
delete_CkJsonObject $jsonSignedAttrs