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b8ec5ba42c
linux/crypto
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Stephan Mueller b8ec5ba42c crypto: drbg - use Jitter RNG to obtain seed 
During initialization, the DRBG now tries to allocate a handle of the
Jitter RNG. If such a Jitter RNG is available during seeding, the DRBG
pulls the required entropy/nonce string from get_random_bytes and
concatenates it with a string of equal size from the Jitter RNG. That
combined string is now the seed for the DRBG.

Written differently, the initial seed of the DRBG is now:

get_random_bytes(entropy/nonce) || jitterentropy (entropy/nonce)

If the Jitter RNG is not available, the DRBG only seeds from
get_random_bytes.

CC: Andreas Steffen <andreas.steffen@strongswan.org>
CC: Theodore Ts'o <tytso@mit.edu>
CC: Sandy Harris <sandyinchina@gmail.com>
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-05-27 17:51:53 +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: 842 - change 842 alg to use software 2015-05-11 15:06:43 +08:00
ablk_helper.c crypto: cryptd - process CRYPTO_ALG_INTERNAL 2015-03-31 21:21:04 +08:00
ablkcipher.c crypto: skcipher - Use tmpl->create 2015-05-25 18:41:28 +08:00
aead.c crypto: aead - Remove unused cryptoff parameter 2015-05-25 18:41:32 +08:00
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: api - Add crypto_grab_spawn primitive 2015-05-13 10:31:25 +08:00
algboss.c crypto: algboss - Hold ref count on larval 2013-06-25 19:15:17 +08:00
algif_aead.c crypto: algif_aead - Include crypto/aead.h 2015-04-23 14:18:10 +08:00
algif_hash.c new helper: msg_data_left() 2015-04-11 15:53:35 -04:00
algif_rng.c crypto: algif_rng - Remove obsolete const-removal cast 2015-04-22 09:30:21 +08:00
algif_skcipher.c new helper: msg_data_left() 2015-04-11 15:53:35 -04:00
ansi_cprng.c crypto: ansi_cprng - Convert to new rng interface 2015-04-22 09:30:18 +08:00
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: authenc - Use crypto_aead_set_reqsize helper 2015-05-13 10:31:37 +08:00
authencesn.c crypto: authencesn - Use crypto_aead_set_reqsize helper 2015-05-13 10:31:38 +08:00
blkcipher.c crypto: blkcipher - Include crypto/aead.h 2015-05-13 10:31:34 +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: ccm - Use crypto_aead_set_reqsize helper 2015-05-13 10:31:39 +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 - Use crypto_grab_aead 2015-05-22 11:25:49 +08:00
crypto_null.c crypto: null - Add default null skcipher 2015-05-22 11:25:55 +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 - use Jitter RNG to obtain seed 2015-05-27 17:51:53 +08:00
ecb.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
echainiv.c crypto: aead - Remove unused cryptoff parameter 2015-05-25 18:41:32 +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 crypto: fips - Move fips_enabled sysctl into fips.c 2015-04-23 14:18:09 +08:00
gcm.c crypto: gcm - Use default null skcipher 2015-05-22 11:25:55 +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: api - Remove linux/fips.h from internal.h 2015-04-23 14:18:10 +08:00
Kconfig crypto: echainiv - Add encrypted chain IV generator 2015-05-22 11:25:56 +08:00
khazad.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
krng.c crypto: krng - Convert to new rng interface 2015-04-22 09:30:18 +08:00
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: echainiv - Add encrypted chain IV generator 2015-05-22 11:25:56 +08:00
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: md5 - use md5 IV MD5_HX instead of their raw value 2015-05-18 12:20:18 +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: pcomp - Use crypto_alg_extsize helper 2015-04-21 10:19:55 +08:00
pcrypt.c crypto: pcrypt - Make tfm_count an atomic_t 2015-05-25 18:41:25 +08:00
proc.c crypto: fips - Move fips_enabled sysctl into fips.c 2015-04-23 14:18:09 +08:00
ripemd.h [CRYPTO] ripemd: Put all common RIPEMD values in header file 2008-07-10 20:35:12 +08:00
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: rng - Zero seed in crypto_rng_reset 2015-04-22 09:30:21 +08:00
salsa20_generic.c crypto: add missing crypto module aliases 2015-01-13 22:29:11 +11:00
scatterwalk.c crypto: scatterwalk - Check for same address in map_and_copy 2015-05-22 11:25:55 +08:00
seed.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
seqiv.c crypto: aead - Remove unused cryptoff parameter 2015-05-25 18:41:32 +08:00
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: shash - Use crypto_alg_extsize helper 2015-04-21 10:19:54 +08:00
tcrypt.c crypto: tcrypt - Include crypto/aead.h 2015-04-23 14:18:11 +08:00
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 - add test cases for CRC32 2015-05-11 15:06:36 +08:00
testmgr.h crypto: testmgr - Added one larger ghash testvector (400 bytes) to the testmgr. 2015-05-25 18:41:22 +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: pcomp - Constify (de)compression parameters 2015-05-01 11:16:37 +08:00