Lua

Extract XML File from a .p7m (e.g. FATTURA ELETTRONICA, ITALY)

See more Digital Signatures Examples

_LANGUAGE_ example to extract the original file from a .p7m (Signed-Data PKCS7 Format) The .p7m contains the signed contents of the original file.

One use for this example is to extract the XML file from a Fattura Elettronica .p7m signature.

Lua

local chilkat = require("chilkat")

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

local crypt = chilkat.Crypt2.new()

local outputFile = "testData/xml/original.xml"
local inFile = "testData/p7m/fattura_signature.p7m"

-- Verify the signature and extract the XML file.
local success = crypt:verify_p7_m(inFile, outputFile)
if not success then
    print(crypt.last_error_text)
    return
end

print("Success!")