EFS encryption Profile
Public / private key generated
using the EFS, will first generate a pair of public / private key (referred to as key); domain environment, the domain controller generates dependency; otherwise their machines.Encryption
EFS is a public key encryption. When encrypting a file, a pseudo-random number to Mr. FEK (file encryption key), and then further calculated using FEK encrypted file. Then using a public key encryption FEK, and the encrypted FEK is stored in the same encrypted file.Decryption process
using the current user's private key to decrypt FEK, and then decrypt the file FEK.Key Backup
certmgr.msc open the Certificate Manager, right-export the private key, pfx file, save.Recovery key
pfx file backup before finding, double-click to install.