Assuming you're talking about a private key in your possession, I would suggest a brute force or rainbow tool. Kevin Sent from my Verizon Wireless BlackBerry -----Original Message----- From: Jeff Pitsch <jepitsch@xxxxxxxxx> Date: Mon, 27 Apr 2009 11:22:53 To: <thin@xxxxxxxxxxxxx> Subject: [THIN] Private key password on .PFX file So anybody know how to crack the private key password on a pfx file?