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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI="6"
inherit eutils linux-mod
MY_P="${PN/aes/AES}-v${PV}"
DESCRIPTION="Linux kernel module to encrypt disk partitions with AES cipher"
HOMEPAGE="http://loop-aes.sourceforge.net/loop-AES.README"
SRC_URI="mirror://sourceforge/${PN}/${MY_P}.tar.bz2"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~arm ~hppa ~ppc ~sparc ~x86"
IUSE="cpu_flags_x86_aes extra-ciphers keyscrub cpu_flags_x86_padlock"
DEPEND="app-crypt/loop-aes-losetup"
RDEPEND=""
S="${WORKDIR}/${MY_P}"
pkg_setup() {
linux-mod_pkg_setup
CONFIG_CHECK="!BLK_DEV_LOOP"
MODULE_NAMES="loop(block::tmp-d-kbuild)"
BUILD_TARGETS="all"
BUILD_PARAMS=" \
V=1 \
LINUX_SOURCE=\"${KERNEL_DIR}\" \
KBUILD_OUTPUT=\"${KBUILD_OUTPUT}\" \
USE_KBUILD=y MODINST=n RUNDM=n"
use cpu_flags_x86_aes && BUILD_PARAMS="${BUILD_PARAMS} INTELAES=y"
use keyscrub && BUILD_PARAMS="${BUILD_PARAMS} KEYSCRUB=y"
use cpu_flags_x86_padlock && BUILD_PARAMS="${BUILD_PARAMS} PADLOCK=y"
if use extra-ciphers; then
MODULE_NAMES="${MODULE_NAMES}
loop_blowfish(block::tmp-d-kbuild)
loop_serpent(block::tmp-d-kbuild)
loop_twofish(block::tmp-d-kbuild)"
BUILD_PARAMS="${BUILD_PARAMS} EXTRA_CIPHERS=y"
fi
}
src_install() {
linux-mod_src_install
dodoc README
dobin loop-aes-keygen
doman loop-aes-keygen.1
}
pkg_postinst() {
linux-mod_pkg_postinst
einfo
einfo "For more instructions take a look at examples in README at:"
einfo "'${EPREFIX}/usr/share/doc/${PF}'"
einfo
einfo "If you have a newer Intel processor (i5, i7), and you use AES"
einfo "you may want to consider using the aes-ni use flag. It will"
einfo "use your processors native AES instructions giving quite a speed"
einfo "increase."
einfo
ewarn
ewarn "Please consider using loop-aes-losetup package instead of"
ewarn "util-linux[loop-aes], it will enable all loop-aes services"
ewarn "without patching util-linux package"
ewarn
ewarn "In future only loop-aes-losetup will be available in portage"
ewarn
}
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