AuxXxilium/linux_dsm_epyc7002
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76899a41f8
linux_dsm_epyc7002/crypto
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Stephan Mueller 76899a41f8 crypto: drbg - replace spinlock with mutex 
The creation of a shadow copy is intended to only hold a short term
lock. But the drawback is that parallel users have a very similar DRBG
state which only differs by a high-resolution time stamp.

The DRBG will now hold a long term lock. Therefore, the lock is changed
to a mutex which implies that the DRBG can only be used in process
context.

The lock now guards the instantiation as well as the entire DRBG
generation operation. Therefore, multiple callers are fully serialized
when generating a random number.

As the locking is changed to use a long-term lock to avoid such similar
DRBG states, the entire creation and maintenance of a shadow copy can be
removed.

Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-04-21 09:14:45 +08:00
..
asymmetric_keys Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2014-10-12 10:13:55 -04:00
async_tx dmaengine: fix xor sources continuation 2014-08-21 10:20:52 -07:00
842.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
ablk_helper.c crypto: cryptd - process CRYPTO_ALG_INTERNAL 2015-03-31 21:21:04 +08:00
ablkcipher.c crypto: replace scatterwalk_sg_next with sg_next 2015-01-26 11:34:22 +11:00
aead.c crypto: aead - fixed style error in aead.c 2014-12-22 23:02:35 +11:00
aes_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
af_alg.c crypto: af_alg - make exports consistant 2015-04-01 15:32:20 -04:00
ahash.c crypto: replace scatterwalk_sg_next with sg_next 2015-01-26 11:34:22 +11:00
algapi.c crypto: fix broken crypto_register_instance() module handling 2015-04-15 20:26:16 -07:00
algboss.c crypto: algboss - Hold ref count on larval 2013-06-25 19:15:17 +08:00
algif_aead.c crypto: fix mis-merge with the networking merge 2015-04-15 14:09:46 -07:00
algif_hash.c new helper: msg_data_left() 2015-04-11 15:53:35 -04:00
algif_rng.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2015-04-15 10:42:15 -07:00
algif_skcipher.c new helper: msg_data_left() 2015-04-11 15:53:35 -04:00
ansi_cprng.c crypto: rng - RNGs must return 0 in success case 2015-03-09 21:06:18 +11:00
anubis.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
api.c crypto: api - prevent helper ciphers from being used 2015-03-31 21:21:03 +08:00
arc4.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
authenc.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
authencesn.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
blkcipher.c crypto: allow blkcipher walks over AEAD data 2014-03-10 20:17:11 +08:00
blowfish_common.c crypto: blowfish - split generic and common c code 2011-09-22 21:25:25 +10:00
blowfish_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
camellia_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
cast5_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
cast6_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
cast_common.c crypto: make tables used from assembler __visible 2013-08-14 20:42:03 +10:00
cbc.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
ccm.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
chainiv.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
cipher.c crypto: cipher - Fix checkpatch errors 2010-02-16 20:31:37 +08:00
cmac.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
compress.c crypto: compress - Fix checkpatch errors 2010-02-16 20:31:04 +08:00
crc32.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
crc32c_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
crct10dif_common.c crypto: crct10dif - Add fallback for broken initrds 2013-09-12 15:31:34 +10:00
crct10dif_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
cryptd.c crypto: cryptd - process CRYPTO_ALG_INTERNAL 2015-03-31 21:21:04 +08:00
crypto_null.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
crypto_user.c crypto: user - Fix crypto_alg_match race 2015-04-08 22:20:06 +08:00
crypto_wq.c crypto: crypto_wq - Fix late crypto work queue initialization 2014-03-21 21:54:28 +08:00
ctr.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
cts.c crypto: cts - Weed out non-CBC algorithms 2015-01-20 14:44:15 +11:00
deflate.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
des_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
drbg.c crypto: drbg - replace spinlock with mutex 2015-04-21 09:14:45 +08:00
ecb.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
eseqiv.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
fcrypt.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
fips.c
gcm.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
gf128mul.c crypto: gf128mul - fix call to memset() 2011-07-08 17:21:21 +08:00
ghash-generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
hash_info.c crypto: provide single place for hash algo information 2013-10-25 17:14:03 -04:00
hmac.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
internal.h crypto: algboss - Hold ref count on larval 2013-06-25 19:15:17 +08:00
Kconfig crypto: serpent_sse2 - Fix a typo in Kconfig 2015-04-07 21:34:20 +08:00
khazad.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
krng.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
lrw.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
lz4.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
lz4hc.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
lzo.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
Makefile crypto: algif - enable AEAD interface compilation 2015-03-04 22:12:39 +13:00
mcryptd.c crypto: mcryptd - process CRYPTO_ALG_INTERNAL 2015-03-31 21:21:13 +08:00
md4.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
md5.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
memneq.c crypto: memneq - fix for archs without efficient unaligned access 2013-12-09 20:09:12 +08:00
michael_mic.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
pcbc.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
pcompress.c crypto: user - fix info leaks in report API 2013-02-19 20:27:03 +08:00
pcrypt.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
proc.c crypto: proc - identify internal ciphers 2015-03-31 21:21:04 +08:00
ripemd.h
rmd128.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
rmd160.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
rmd256.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
rmd320.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
rng.c crypto: user - fix info leaks in report API 2013-02-19 20:27:03 +08:00
salsa20_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
scatterwalk.c crypto: replace scatterwalk_sg_next with sg_next 2015-01-26 11:34:22 +11:00
seed.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
seqiv.c crypto: seqiv - Ensure that IV size is at least 8 bytes 2015-01-20 14:44:16 +11:00
serpent_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
sha1_generic.c crypto: sha1-generic - move to generic glue implementation 2015-04-10 21:39:40 +08:00
sha256_generic.c crypto: sha256-generic - move to generic glue implementation 2015-04-10 21:39:41 +08:00
sha512_generic.c crypto: sha512-generic - move to generic glue implementation 2015-04-10 21:39:41 +08:00
shash.c crypto: LLVMLinux: aligned-attribute.patch 2014-06-07 11:44:39 -07:00
tcrypt.c crypto: tcrypt - fix uninit sg entries in test_acipher_speed 2015-03-12 01:11:05 +11:00
tcrypt.h crypto: tcrypt - Added speed tests for AEAD crypto alogrithms in tcrypt test suite 2013-12-20 20:06:25 +08:00
tea.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
testmgr.c crypto: testmgr - use CRYPTO_ALG_INTERNAL 2015-03-31 21:21:03 +08:00
testmgr.h crypto: testmgr - add test for lz4 and lz4hc 2014-08-29 21:46:36 +08:00
tgr192.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
twofish_common.c crypto: twofish-x86_64-3way - add lrw support 2011-11-09 11:53:32 +08:00
twofish_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
vmac.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
wp512.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
xcbc.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
xor.c add further __init annotations to crypto/xor.c 2012-10-11 13:42:32 +11:00
xts.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
zlib.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00