Verify .p7s and Extract Original File

Ruby example to verify and unpack the contents of a .p7s to restore the original file.

Downloads for Windows/Linux and Install Instructions

require 'rubygems'
require 'chilkat'

crypt = Chilkat::CkCrypt2.new()

#  Any string argument automatically begins the 30-day trial.
success = crypt.UnlockComponent("30-day trial")
if (success != true)
    print "Crypt component unlock failed" + "\n"
    exit
end

#  Find our digital certificate from the Current User certificate store.
ccs = Chilkat::CkCreateCS.new()

certStore = ccs.OpenCurrentUserStore()

cert = certStore.FindCertBySubjectCN("Chilkat Software, Inc.")
if (cert == nil )
    print cert.lastErrorText() + "\n"

    exit
end

#  Verify and restore the original file:
crypt.SetVerifyCert(cert)

success = crypt.VerifyP7S("license.p7s","license2.rtf")
if (success == false)
    print crypt.lastErrorText() + "\n"

    exit
end

print "Success!" + "\n"