1*4882a593Smuzhiyunconfig BR2_PACKAGE_FSCRYPTCTL 2*4882a593Smuzhiyun bool "fscryptctl" 3*4882a593Smuzhiyun help 4*4882a593Smuzhiyun fscryptctl is a low-level tool written in C that handles raw 5*4882a593Smuzhiyun keys and manages policies for Linux filesystem encryption. 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun Notice: Fscrypt support on EXT4 requires a kernel with 8*4882a593Smuzhiyun CONFIG_EXT4_ENCRYPTION=y and a file system with the 9*4882a593Smuzhiyun encryption option and block size equal to CPU page size 10*4882a593Smuzhiyun (BR2_TARGET_ROOTFS_EXT2_MKFS_OPTIONS="-O encrypt -b 4096") 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun https://github.com/google/fscryptctl 13