1config BR2_PACKAGE_FSCRYPTCTL 2 bool "fscryptctl" 3 help 4 fscryptctl is a low-level tool written in C that handles raw 5 keys and manages policies for Linux filesystem encryption. 6 7 Notice: Fscrypt support on EXT4 requires a kernel with 8 CONFIG_EXT4_ENCRYPTION=y and a file system with the 9 encryption option and block size equal to CPU page size 10 (BR2_TARGET_ROOTFS_EXT2_MKFS_OPTIONS="-O encrypt -b 4096") 11 12 https://github.com/google/fscryptctl 13