On Thu, Aug 15, 2019 at 12:00:42PM +0300, Ard Biesheuvel wrote: > In my effort to remove crypto_alloc_cipher() invocations from non-crypto > code, i ran into a DES call in the CIFS driver. This is addressed in > patch #30. > > The other patches are cleanups for the quirky DES interface, and lots > of duplication of the weak key checks etc. > > Changes since v4: > - Use dedicated inline key verification helpers for skcipher, ablkcipher and > aead type transforms, as requested by Herbert > - Rebase onto cryptodev/master, and fix up the resulting fallout > - Drop tested-by tags due to code changes > - Rename local s390 routines as requested by Harald (and added his R-b) > > Changes since v3: > - rebase onto today's cryptodev/master > - update safexcel patch to address code that has been added in the mean time > - replace memzero_explicit() calls with memset() if they don't operate on > stack buffers > - add T-b's from Horia and Corentin > > Changes since v2: > - fixed another couple of build errors that I missed, apologies to the > reviewers for failing to spot these > - use/retain a simplified 'return verify() ?: setkey()' pattern where possible > (as suggested by Horia) > - ensure that the setkey() routines using the helpers return -EINVAL on weak > keys when disallowed by the tfm's weak key policy > - remove many pointless unlikely() annotations on ice-cold setkey() paths > > Changes since v1/RFC: > - fix build errors in various drivers that i failed to catch in my > initial testing > - put all caam changes into the correct patch > - fix weak key handling error flagged by the self tests, as reported > by Eric. > - add ack from Harald to patch #2 > > The KASAN error reported by Eric failed to reproduce for me, so I > didn't include a fix for that. Please check if it still reproduces for > you. > > Patch #1 adds new helpers to verify DES keys to crypto/internal.des.h > > The next 23 patches move all existing users of DES routines to the > new interface. > > Patch #25 and #26 are preparatory patches for the new DES library > introduced in patch #27, which replaces the various DES related > functions exported to other drivers with a sane library interface. > > Patch #28 switches the x86 asm code to the new librar interface. > > Patch #29 removes code that is no longer used at this point. > > Code can be found here: > https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git/log/?h=des-cleanup-v5 > > Ard Biesheuvel (30): > crypto: des/3des_ede - add new helpers to verify keys > crypto: s390/des - switch to new verification routines > crypto: sparc/des - switch to new verification routines > crypto: atmel/des - switch to new verification routines > crypto: bcm/des - switch to new verification routines > crypto: caam/des - switch to new verification routines > crypto: cpt/des - switch to new verification routines > crypto: nitrox/des - switch to new verification routines > crypto: ccp/des - switch to new verification routines > crypto: ccree/des - switch to new verification routines > crypto: hifn/des - switch to new verification routines > crypto: hisilicon/des - switch to new verification routines > crypto: safexcel/des - switch to new verification routines > crypto: ixp4xx/des - switch to new verification routines > crypto: cesa/des - switch to new verification routines > crypto: n2/des - switch to new verification routines > crypto: omap/des - switch to new verification routines > crypto: picoxcell/des - switch to new verification routines > crypto: qce/des - switch to new verification routines > crypto: rk3288/des - switch to new verification routines > crypto: stm32/des - switch to new verification routines > crypto: sun4i/des - switch to new verification routines > crypto: talitos/des - switch to new verification routines > crypto: ux500/des - switch to new verification routines > crypto: 3des - move verification out of exported routine > crypto: des - remove unused function > crypto: des - split off DES library from generic DES cipher driver > crypto: x86/des - switch to library interface > crypto: des - remove now unused __des3_ede_setkey() > fs: cifs: move from the crypto cipher API to the new DES library > interface > > arch/s390/crypto/des_s390.c | 25 +- > arch/sparc/crypto/des_glue.c | 37 +- > arch/x86/crypto/des3_ede_glue.c | 38 +- > crypto/Kconfig | 8 +- > crypto/des_generic.c | 945 +----------------- > drivers/crypto/Kconfig | 28 +- > drivers/crypto/atmel-tdes.c | 28 +- > drivers/crypto/bcm/cipher.c | 79 +- > drivers/crypto/caam/Kconfig | 2 +- > drivers/crypto/caam/caamalg.c | 49 +- > drivers/crypto/caam/caamalg_qi.c | 36 +- > drivers/crypto/caam/caamalg_qi2.c | 36 +- > drivers/crypto/caam/compat.h | 2 +- > drivers/crypto/cavium/cpt/cptvf_algs.c | 26 +- > drivers/crypto/cavium/nitrox/Kconfig | 2 +- > .../crypto/cavium/nitrox/nitrox_skcipher.c | 4 +- > drivers/crypto/ccp/ccp-crypto-des3.c | 7 +- > drivers/crypto/ccree/cc_aead.c | 24 +- > drivers/crypto/ccree/cc_cipher.c | 15 +- > drivers/crypto/hifn_795x.c | 32 +- > drivers/crypto/hisilicon/sec/sec_algs.c | 18 +- > .../crypto/inside-secure/safexcel_cipher.c | 26 +- > drivers/crypto/ixp4xx_crypto.c | 27 +- > drivers/crypto/marvell/cipher.c | 25 +- > drivers/crypto/n2_core.c | 32 +- > drivers/crypto/omap-des.c | 27 +- > drivers/crypto/picoxcell_crypto.c | 24 +- > drivers/crypto/qce/ablkcipher.c | 55 +- > drivers/crypto/rockchip/rk3288_crypto.h | 2 +- > .../rockchip/rk3288_crypto_ablkcipher.c | 21 +- > drivers/crypto/stm32/Kconfig | 2 +- > drivers/crypto/stm32/stm32-cryp.c | 30 +- > drivers/crypto/sunxi-ss/sun4i-ss-cipher.c | 26 +- > drivers/crypto/sunxi-ss/sun4i-ss.h | 2 +- > drivers/crypto/talitos.c | 37 +- > drivers/crypto/ux500/Kconfig | 2 +- > drivers/crypto/ux500/cryp/cryp_core.c | 31 +- > fs/cifs/Kconfig | 2 +- > fs/cifs/cifsfs.c | 1 - > fs/cifs/smbencrypt.c | 18 +- > include/crypto/des.h | 77 +- > include/crypto/internal/des.h | 152 +++ > lib/crypto/Makefile | 3 + > lib/crypto/des.c | 902 +++++++++++++++++ > 44 files changed, 1415 insertions(+), 1550 deletions(-) > create mode 100644 include/crypto/internal/des.h > create mode 100644 lib/crypto/des.c All applied. Thanks. I had to fix the ixp4xx patch to remove the key_len argument. Cheers, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
