Ok, to the point, I need to scan my partition for my old NTFS EFS private key. Can anyone help by giving a clue about any format of the file that windows stores it in that would give it away? Like, ...

Microsoft’s Encrypting File System, which is used to encrypt data on Windows 2000, XP and Server 2003 computers, relies on a public key certificate. If you don’t have a public-key infrastructure, EFS ...