Add a PFX File as a Decryption Source

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Loads a CMS/PKCS #7 encrypted S/MIME message and decrypts it back to the original MIME content.

AddPfxSourceFile registers a PFX/P12 file as a source of certificates and private keys used by subsequent decryption operations.

The file paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

load ./chilkat.dll

set success 0

set mime [new_CkMime]

set success [CkMime_LoadMimeFile $mime "qa_data/encrypted.eml"]
if {$success == 0} then {
    puts [CkMime_lastErrorText $mime]
    delete_CkMime $mime
    exit
}

#  Add a PFX/P12 file as a source of certificates and private keys for later decryption.  The 1st
#  argument is the PFX path and the 2nd is its password (from a secure source).  Call once per
#  source file.
set pfxPassword "myPfxPassword"
set success [CkMime_AddPfxSourceFile $mime "qa_data/recipient.pfx" $pfxPassword]
if {$success == 0} then {
    puts [CkMime_lastErrorText $mime]
    delete_CkMime $mime
    exit
}

#  Decrypt using the keys from the added PFX source(s).
set success [CkMime_Decrypt $mime]
if {$success == 0} then {
    puts [CkMime_lastErrorText $mime]
    delete_CkMime $mime
    exit
}

puts "Decrypted."

delete_CkMime $mime