PowerBuilder

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. PowerBuilder

integer li_rc
integer li_Success
oleobject loo_Crypt
string ls_OutputFile
string ls_InFile

li_Success = 0

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

loo_Crypt = create oleobject
li_rc = loo_Crypt.ConnectToNewObject("Chilkat.Crypt2")
if li_rc < 0 then
    destroy loo_Crypt
    MessageBox("Error","Connecting to COM object failed")
    return
end if

// What is a .p7m file?

ls_OutputFile = "/Users/chilkat/testData/pdf/sample.pdf"
ls_InFile = "/Users/chilkat/testData/p7m/sample.pdf.p7m"

// Verify and restore the original file:
li_Success = loo_Crypt.VerifyP7M(ls_InFile,ls_OutputFile)
if li_Success = 0 then
    Write-Debug loo_Crypt.LastErrorText
    destroy loo_Crypt
    return
end if

Write-Debug "Success!"


destroy loo_Crypt