linux/arch/powerpc/configs/83xx
Eric Biggers 1967bfaf7b crypto: pcbc - Remove support for PCBC mode
The only user of PCBC mode (Propagating Cipher Block Chaining mode) was
net/rxrpc/rxkad.c, which now uses local code instead.

While PCBC was an interesting cryptographic experiment, it has largely
been relegated to the history books and academic exercises.  It is
non-parallelizable (i.e., very slow) and doesn't actually achieve the
integrity properties it was apparently intended to achieve.

Remove support for it from the crypto API.

Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> # m68k
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Tested-by: Marc Dionne <marc.dionne@auristor.com>
Link: https://patch.msgid.link/20260522050740.84561-6-ebiggers@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-06-09 17:03:03 -07:00
..
asp8347_defconfig crypto: pcbc - Remove support for PCBC mode 2026-06-09 17:03:03 -07:00
kmeter1_defconfig mm/slab: rename CONFIG_SLAB to CONFIG_SLAB_DEPRECATED 2023-05-26 19:01:47 +02:00
mpc832x_rdb_defconfig crypto: pcbc - Remove support for PCBC mode 2026-06-09 17:03:03 -07:00
mpc834x_itx_defconfig crypto: pcbc - Remove support for PCBC mode 2026-06-09 17:03:03 -07:00
mpc834x_itxgp_defconfig crypto: pcbc - Remove support for PCBC mode 2026-06-09 17:03:03 -07:00
mpc836x_rdk_defconfig powerpc/configs: Remove useless UEVENT_HELPER_PATH 2019-07-03 15:19:36 +10:00
mpc837x_rdb_defconfig crypto: pcbc - Remove support for PCBC mode 2026-06-09 17:03:03 -07:00
mpc8313_rdb_defconfig crypto: pcbc - Remove support for PCBC mode 2026-06-09 17:03:03 -07:00
mpc8315_rdb_defconfig crypto: pcbc - Remove support for PCBC mode 2026-06-09 17:03:03 -07:00