(adding Johannes back to the cover letter cc) On Sun, 9 Jun 2019 at 13:55, Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> wrote: > > This is a follow-up to, and supersedes [0], which moved some WEP code from > the cipher to the skcipher interface, in order to reduce the use of the bare > cipher interface in non-crypto subsystem code. > > Since using the skcipher interface to invoke the generic C implementation of > an algorithm that is known at compile time is rather pointless, this series > moves those users to a new arc4 library interface instead, which is based on > the existing code. > > Along the way, the arc4 cipher implementation is removed entirely, and only > the ecb(arc4) code is preserved, which is used in a number of places in the > kernel, and is known to be used by at least 'iwd' from user space via the > algif_skcipher API. > > [0] https://lore.kernel.org/linux-crypto/20190607144944.13485-1-ard.biesheuvel@xxxxxxxxxx/ > > Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> > Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> > Cc: Eric Biggers <ebiggers@xxxxxxxxxx> > > Ard Biesheuvel (7): > crypto: arc4 - refactor arc4 core code into separate library > net/mac80211: move WEP handling to ARC4 library interface > net/lib80211: move WEP handling to ARC4 library code > net/lib80211: move TKIP handling to ARC4 library code > crypto: arc4 - remove cipher implementation > ppp: mppe: switch to RC4 library interface > fs: cifs: switch to RC4 library interface > > MAINTAINERS | 1 + > crypto/Kconfig | 4 + > crypto/arc4.c | 106 ++------------------ > drivers/net/ppp/Kconfig | 3 +- > drivers/net/ppp/ppp_mppe.c | 92 ++--------------- > fs/cifs/Kconfig | 2 +- > fs/cifs/cifsencrypt.c | 50 +++------ > include/crypto/arc4.h | 13 +++ > lib/Makefile | 2 +- > lib/crypto/Makefile | 3 + > lib/crypto/libarc4.c | 74 ++++++++++++++ > net/mac80211/Kconfig | 2 +- > net/mac80211/cfg.c | 3 - > net/mac80211/ieee80211_i.h | 4 +- > net/mac80211/key.h | 1 + > net/mac80211/main.c | 48 +-------- > net/mac80211/mlme.c | 2 - > net/mac80211/tkip.c | 8 +- > net/mac80211/tkip.h | 4 +- > net/mac80211/wep.c | 47 ++------- > net/mac80211/wep.h | 4 +- > net/mac80211/wpa.c | 4 +- > net/wireless/Kconfig | 1 + > net/wireless/lib80211_crypt_tkip.c | 42 +++----- > net/wireless/lib80211_crypt_wep.c | 43 ++------ > 25 files changed, 176 insertions(+), 387 deletions(-) > create mode 100644 lib/crypto/Makefile > create mode 100644 lib/crypto/libarc4.c > > -- > 2.20.1 >