Tcl

Extract a File from a .p7m (PKCS7 Signed-Data)

See more Encryption 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. It can be verified and restored by calling VerifyP7M. Tcl

load ./chilkat.dll

set success 0

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

set crypt [new_CkCrypt2]

# What is a .p7m file?

set outputFile "/Users/chilkat/testData/pdf/sample.pdf"
set inFile "/Users/chilkat/testData/p7m/sample.pdf.p7m"

# Verify and restore the original file:
set success [CkCrypt2_VerifyP7M $crypt $inFile $outputFile]
if {$success == 0} then {
    puts [CkCrypt2_lastErrorText $crypt]
    delete_CkCrypt2 $crypt
    exit
}

puts "Success!"

delete_CkCrypt2 $crypt