(Tcl) 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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load ./chilkat.dll

# 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
# ------------------------------------------------------------------------------------------------------

set crypt [new_CkCrypt2]

set cert [new_CkCert]

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

CkCrypt2_SetSigningCert $crypt $cert

# Create JSON to indicate which signing attributes to include.
set attrs [new_CkJsonObject]

CkJsonObject_UpdateBool $attrs "contentType" 1
CkJsonObject_UpdateBool $attrs "signingTime" 1
CkJsonObject_UpdateBool $attrs "messageDigest" 1
CkJsonObject_UpdateBool $attrs "signingCertificateV2" 1

CkJsonObject_UpdateString $attrs "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.
CkJsonObject_UpdateString $attrs "policyId.id" "2.16.76.1.7.1.1.2.3"
CkJsonObject_UpdateString $attrs "policyId.profile" "PA_AD_RB_v2_3"

# If you wish to use another, such as v2.2
CkJsonObject_UpdateString $attrs "policyId.id" "2.16.76.1.7.1.1.2.2"
CkJsonObject_UpdateString $attrs "policyId.profile" "PA_AD_RB_v2_2"

CkCrypt2_put_SigningAttributes $crypt [CkJsonObject_emit $attrs]

# The input file can be any type of file.
set inFile "toBeSigned.pdf"
set outFile "signed.pdf.p7s"

set success [CkCrypt2_CreateP7M $crypt $inFile $outFile]
if {$success == 0} then {
    puts [CkCrypt2_lastErrorText $crypt]
    delete_CkCrypt2 $crypt
    delete_CkCert $cert
    delete_CkJsonObject $attrs
    exit
}

puts "Success."

delete_CkCrypt2 $crypt
delete_CkCert $cert
delete_CkJsonObject $attrs