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linux/arch/powerpc/crypto
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Daniel Axtens aa2be9b3d6 crypto: powerpc - Fix initialisation of crc32c context 
Turning on crypto self-tests on a POWER8 shows:

    alg: hash: Test 1 failed for crc32c-vpmsum
    00000000: ff ff ff ff

Comparing the code with the Intel CRC32c implementation on which
ours is based shows that we are doing an init with 0, not ~0
as CRC32c requires.

This probably wasn't caught because btrfs does its own weird
open-coded initialisation.

Initialise our internal context to ~0 on init.

This makes the self-tests pass, and btrfs continues to work.

Fixes: 6dd7a82cc5 ("crypto: powerpc - Add POWER8 optimised crc32c")
Cc: Anton Blanchard <anton@samba.org>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Axtens <dja@axtens.net>
Acked-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-03-08 14:01:08 +08:00
..
aes-spe-core.S powerpc: Fix misspellings in comments. 2016-03-01 19:27:20 +11:00
aes-spe-glue.c powerpc updates for 4.6 2016-03-19 15:38:41 -07:00
aes-spe-keys.S crypto: powerpc/aes - key handling 2015-03-01 23:02:28 +13:00
aes-spe-modes.S crypto: powerpc/aes - ECB/CBC/CTR/XTS modes 2015-03-01 23:02:28 +13:00
aes-spe-regs.h crypto: powerpc - Fix typo 2016-05-31 16:41:55 +08:00
aes-tab-4k.S crypto: powerpc/aes - aes tables 2015-03-01 23:02:27 +13:00
crc32c-vpmsum_asm.S crypto: powerpc - Add POWER8 optimised crc32c 2016-07-05 23:05:19 +08:00
crc32c-vpmsum_glue.c crypto: powerpc - Fix initialisation of crc32c context 2017-03-08 14:01:08 +08:00
Makefile crypto: crc32c-vpmsum - Rename CRYPT_CRC32C_VPMSUM option 2016-11-28 21:23:17 +08:00
md5-asm.S crypto: powerpc/md5 - assembler 2015-03-04 22:12:40 +13:00
md5-glue.c crypto: powerpc/md5 - use md5 IV MD5_HX instead of their raw value 2015-05-18 12:20:20 +08:00
sha1-powerpc-asm.S crypto: sha1-powerpc - little-endian support 2016-10-02 22:31:53 +08:00
sha1-spe-asm.S crypto: powerpc - move files to fix build error 2015-03-09 21:06:19 +11:00
sha1-spe-glue.c powerpc: Create disable_kernel_{fp,altivec,vsx,spe}() 2015-12-01 13:52:25 +11:00
sha1.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
sha256-spe-asm.S crypto: ppc/sha256 - assembler 2015-02-27 22:48:45 +13:00
sha256-spe-glue.c powerpc: Create disable_kernel_{fp,altivec,vsx,spe}() 2015-12-01 13:52:25 +11:00