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android_kernel_google_msm/crypto
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Neil Horman 4a4c6cd28a crypto: ansi_cprng - Fix off by one error in non-block size request 
commit 714b33d151 upstream.

Stephan Mueller reported to me recently a error in random number generation in
the ansi cprng. If several small requests are made that are less than the
instances block size, the remainder for loop code doesn't increment
rand_data_valid in the last iteration, meaning that the last bytes in the
rand_data buffer gets reused on the subsequent smaller-than-a-block request for
random data.

The fix is pretty easy, just re-code the for loop to make sure that
rand_data_valid gets incremented appropriately

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Reported-by: Stephan Mueller <stephan.mueller@atsec.com>
CC: Stephan Mueller <stephan.mueller@atsec.com>
CC: Petr Matousek <pmatouse@redhat.com>
CC: Herbert Xu <herbert@gondor.apana.org.au>
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Luis Henriques <luis.henriques@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-29 10:50:32 -08:00
..
async_tx crypto: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:16 +08:00
ablkcipher.c crypto: user - fix info leaks in report API 2013-03-14 11:29:50 -07:00
aead.c crypto: user - fix info leaks in report API 2013-03-14 11:29:50 -07:00
aes_generic.c crypto: aes_generic - Fix checkpatch errors 2010-02-16 20:34:59 +08:00
af_alg.c atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
ahash.c crypto: user - fix info leaks in report API 2013-03-14 11:29:50 -07:00
algapi.c crypto: sanitize argument for format string 2013-07-13 11:03:41 -07:00
algboss.c crypto: testmgr - Fix test disabling option 2010-08-06 09:40:28 +08:00
algif_hash.c crypto: algif - suppress sending source address information in recvmsg 2013-04-25 21:19:55 -07:00
algif_skcipher.c crypto: algif - suppress sending source address information in recvmsg 2013-04-25 21:19:55 -07:00
ansi_cprng.c crypto: ansi_cprng - Fix off by one error in non-block size request 2013-11-29 10:50:32 -08:00
anubis.c crypto: anubis - Fix checkpatch errors 2010-02-16 20:25:39 +08:00
api.c crypto: api - Fix race condition in larval lookup 2013-09-26 17:15:30 -07:00
arc4.c crypto: arc4 - Fixed coding style issues 2011-06-30 07:44:05 +08:00
authenc.c crypto: Use scatterwalk_crypto_chain 2010-12-02 14:47:16 +08:00
authencesn.c crypto: authencesn - Add algorithm to handle IPsec extended sequence numbers 2011-03-13 20:22:27 -07:00
blkcipher.c crypto: user - fix info leaks in report API 2013-03-14 11:29:50 -07:00
blowfish_common.c crypto: blowfish - split generic and common c code 2011-09-22 21:25:25 +10:00
blowfish_generic.c crypto: blowfish - rename C-version to blowfish_generic 2011-09-22 21:25:26 +10:00
camellia_generic.c crypto: camellia - rename camellia.c to camellia_generic.c 2012-03-14 17:25:55 +08:00
cast5.c crypto: cast5 - simplify if-statements 2010-11-13 21:47:55 +09:00
cast6.c crypto: cast6 - Fix checkpatch errors 2010-02-16 20:29:45 +08:00
cbc.c
ccm.c crypto: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:16 +08:00
chainiv.c
cipher.c crypto: cipher - Fix checkpatch errors 2010-02-16 20:31:37 +08:00
compress.c crypto: compress - Fix checkpatch errors 2010-02-16 20:31:04 +08:00
crc32c.c crypto: crc32c should use library implementation 2012-03-23 16:58:38 -07:00
cryptd.c crypto: cryptd - disable softirqs in cryptd_queue_worker to prevent data corruption 2012-11-26 11:37:41 -08:00
crypto_null.c crypto: crypto_null - Fix checkpatch errors 2010-02-16 20:31:54 +08:00
crypto_user.c crypto: user - fix info leaks in report API 2013-03-14 11:29:50 -07:00
crypto_wq.c crypto: add module.h to those files that are explicitly using it 2011-10-31 19:31:11 -04:00
ctr.c crypto: Use ERR_CAST 2010-05-26 10:36:51 +10:00
cts.c
deflate.c net+crypto: Use vmalloc for zlib inflate buffers. 2011-06-29 05:48:41 -07:00
des_generic.c Blackfin: Rename DES PC2() symbol to avoid collision 2010-10-07 14:08:50 +01:00
ecb.c crypto: ecb - Fix checkpatch errors 2010-02-16 20:33:49 +08:00
eseqiv.c crypto: Use scatterwalk_crypto_chain 2010-12-02 14:47:16 +08:00
fcrypt.c crypto: fcrypt - Fix checkpatch errors 2010-02-16 20:34:07 +08:00
fips.c
gcm.c crypto: gcm - fix assumption that assoc has one segment 2013-04-12 09:38:46 -07:00
gf128mul.c crypto: gf128mul - fix call to memset() 2011-07-08 17:21:21 +08:00
ghash-generic.c crypto: ghash - Avoid null pointer dereference if no key is set 2011-10-21 13:18:42 +02:00
hmac.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
internal.h crypto: Export crypto_remove_final 2011-10-21 14:24:03 +02:00
Kconfig um: several x86 hw-dependent crypto modules won't build on uml 2012-04-09 14:02:13 -04:00
khazad.c
krng.c
lrw.c crypto: lrw - add interface for parallelized cipher implementions 2011-11-09 11:50:31 +08:00
lzo.c
Makefile crypto: camellia - rename camellia.c to camellia_generic.c 2012-03-14 17:25:55 +08:00
md4.c crypto: add module.h to those files that are explicitly using it 2011-10-31 19:31:11 -04:00
md5.c crypto: Move md5_transform to lib/md5.c 2011-08-06 18:32:45 -07:00
michael_mic.c
pcbc.c
pcompress.c crypto: user - fix info leaks in report API 2013-03-14 11:29:50 -07:00
pcrypt.c crypto: pcrypt - Use the online cpumask as the default 2012-03-29 19:52:47 +08:00
proc.c crypto: add module.h to those files that are explicitly using it 2011-10-31 19:31:11 -04:00
ripemd.h
rmd128.c crypto: ripemd - Set module author and update email address 2011-01-04 23:34:03 +11:00
rmd160.c crypto: ripemd - Set module author and update email address 2011-01-04 23:34:03 +11:00
rmd256.c crypto: ripemd - Set module author and update email address 2011-01-04 23:34:03 +11:00
rmd320.c crypto: ripemd - Set module author and update email address 2011-01-04 23:34:03 +11:00
rng.c crypto: user - fix info leaks in report API 2013-03-14 11:29:50 -07:00
salsa20_generic.c
scatterwalk.c crypto: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:16 +08:00
seed.c
seqiv.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
serpent_generic.c crypto: serpent - rename serpent.c to serpent_generic.c 2011-11-30 16:12:44 +08:00
sha1_generic.c crypto: sha1 - export sha1_update for reuse 2011-08-10 19:00:28 +08:00
sha256_generic.c
sha512_generic.c crypto: sha512 - Fix byte counter overflow in SHA-512 2012-04-05 20:34:20 +08:00
shash.c crypto: user - fix info leaks in report API 2013-03-14 11:29:50 -07:00
tcrypt.c crypto: tcrypt - add more camellia tests 2012-03-14 17:25:55 +08:00
tcrypt.h crypto: tcrypt - add xts(serpent) tests 2011-11-09 11:57:56 +08:00
tea.c
testmgr.c crypto: testmgr - add more camellia test vectors 2012-03-14 17:25:54 +08:00
testmgr.h crypto: testmgr - add more camellia test vectors 2012-03-14 17:25:54 +08:00
tgr192.c
twofish_common.c crypto: twofish-x86_64-3way - add lrw support 2011-11-09 11:53:32 +08:00
twofish_generic.c crypto: twofish: Rename twofish to twofish_generic and add an alias 2010-06-03 21:02:51 +10:00
vmac.c crypto: add module.h to those files that are explicitly using it 2011-10-31 19:31:11 -04:00
wp512.c crypto: whirlpool - count rounds from 0 2011-10-21 14:24:16 +02:00
xcbc.c crypto: add module.h to those files that are explicitly using it 2011-10-31 19:31:11 -04:00
xor.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
xts.c crypto: xts: add interface for parallelized cipher implementations 2011-11-09 11:56:06 +08:00
zlib.c net+crypto: Use vmalloc for zlib inflate buffers. 2011-06-29 05:48:41 -07:00