buildroot/package/aespipe/Config.in

config BR2_PACKAGE_AESPIPE
	bool "aespipe"
	depends on BR2_USE_MMU # fork()
	help
	  aespipe program is AES encrypting or decrypting pipe. It reads
	  from standard input and writes to standard output. It can be
	  used to create and restore encrypted tar or cpio archives.
	  It can be used to encrypt and decrypt loop-AES compatible
	  encrypted disk images.

	  http://koti.tnnet.fi/jari.ruusu/linux/