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

Ruby 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.

Downloads for Windows/Linux and Install Instructions

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.lastErrorText() + "\n";
    exit
end

outFile = "/Users/chilkat/testData/pdf/sample.pdf"
inFile = "/Users/chilkat/testData/p7m/sample.pdf.p7m"

#  Verify and restore the original file:
success = crypt.VerifyP7M(inFile,outFile)
if (success == false)
    print crypt.lastErrorText() + "\n";
    exit
end

print "Success!" + "\n"