root@wmp-pc:/home/wmp# ecryptfs-add-passphrase --fnek
Passphrase: 
Inserted auth tok with sig [CUT] into the user session keyring
Inserted auth tok with sig [CUT2] into the user session keyring
root@wmp-pc:/home/wmp# mount -t ecryptfs /mnt/home/.ecryptfs/wmp/.Private/ /mnt/home/wmp_no_encrypt/
Select key type to use for newly created files: 
 1) tspi
 2) passphrase
Selection: 2
Passphrase: 
Select cipher: 
 1) aes: blocksize = 16; min keysize = 16; max keysize = 32
 2) blowfish: blocksize = 8; min keysize = 16; max keysize = 56
 3) des3_ede: blocksize = 8; min keysize = 24; max keysize = 24
 4) twofish: blocksize = 16; min keysize = 16; max keysize = 32
 5) cast6: blocksize = 16; min keysize = 16; max keysize = 32
 6) cast5: blocksize = 8; min keysize = 5; max keysize = 16
Selection [aes]: 
Select key bytes: 
 1) 16
 2) 32
 3) 24
Selection [16]: 
Enable plaintext passthrough (y/n) [n]: 
Enable filename encryption (y/n) [n]: y
Filename Encryption Key (FNEK) Signature [CUT3]: CUT2
Attempting to mount with the following options:
  ecryptfs_unlink_sigs
  ecryptfs_fnek_sig=CUT2
  ecryptfs_key_bytes=16
  ecryptfs_cipher=aes
  ecryptfs_sig=CUT3
Mounted eCryptfs
root@wmp-pc:/home/wmp# ls /mnt/home/wmp_no_encrypt/
ECRYPTFS_FNEK_ENCRYPTED.FabseHVyeIFAnER-CUT
ECRYPTFS_FNEK_ENCRYPTED.FWbseHVyeIFAnER-CUT
ECRYPTFS_FNEK_ENCRYPTED.FWbseHVyeIFAnER-CUT
ECRYPTFS_FNEK_ENCRYPTED.FWbseHVyeIFAnER-CUT