1. 根目录:
2. security
3. keys
4. encrypted-keys
5. Makefile

#
# Makefile for encrypted keys
#

obj-$(CONFIG_ENCRYPTED_KEYS) += encrypted-keys.o

encrypted-keys-y := encrypted.o ecryptfs_format.o
masterkey-$(CONFIG_TRUSTED_KEYS) := masterkey_trusted.o
masterkey-$(CONFIG_TRUSTED_KEYS)-$(CONFIG_ENCRYPTED_KEYS) := masterkey_trusted.o
encrypted-keys-y += $(masterkey-y) $(masterkey-m-m)