PowerBuilder

Decrypt2

See more MIME Examples

Demonstrates how to decrypt MIME using a certificate and private key where the certificate and its corresponding private key are stored in separate files -- a .cer for the certificate, and a .pem for the private key. PowerBuilder

integer li_rc
integer li_Success
oleobject loo_Mime
oleobject loo_Cert
oleobject loo_PrivKey

li_Success = 0

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

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

// Load the certificate from a .cer file.
loo_Cert = create oleobject
li_rc = loo_Cert.ConnectToNewObject("Chilkat.Cert")

li_Success = loo_Cert.LoadFromFile("aaworkarea/myCert.cer")
if li_Success = 0 then
    Write-Debug loo_Cert.LastErrorText
    destroy loo_Mime
    destroy loo_Cert
    return
end if

// Load the private key from an encrypted PEM file.
// (A private key can be loaded from other file formats also..)
loo_PrivKey = create oleobject
li_rc = loo_PrivKey.ConnectToNewObject("Chilkat.PrivateKey")

li_Success = loo_PrivKey.LoadEncryptedPemFile("aaworkarea/myPrivateKey.pem","myPassword")
if li_Success = 0 then
    Write-Debug loo_PrivKey.LastErrorText
    destroy loo_Mime
    destroy loo_Cert
    destroy loo_PrivKey
    return
end if

li_Success = loo_Mime.LoadMimeFile("aaworkarea/encryptedMime.txt")
if li_Success = 0 then
    Write-Debug loo_Mime.LastErrorText
    destroy loo_Mime
    destroy loo_Cert
    destroy loo_PrivKey
    return
end if

// Decrypt using the cert and associated private key
li_Success = loo_Mime.Decrypt2(loo_Cert,loo_PrivKey)
if li_Success = 0 then
    Write-Debug loo_Mime.LastErrorText
    destroy loo_Mime
    destroy loo_Cert
    destroy loo_PrivKey
    return
end if

// Save the S/MIME to a file.
li_Success = loo_Mime.SaveMime("aaworkarea/decryptedMime.txt")
if li_Success = 0 then
    Write-Debug loo_Mime.LastErrorText
    destroy loo_Mime
    destroy loo_Cert
    destroy loo_PrivKey
    return
end if

Write-Debug "success!"


destroy loo_Mime
destroy loo_Cert
destroy loo_PrivKey