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f26b7b8052
linux/crypto
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Stephan Mueller f26b7b8052 crypto: algif_skcipher - initialize upon init request 
When using the algif_skcipher, the following call sequence causess a
re-initialization:

1. sendmsg with ALG_SET_OP and iov == NULL, iovlen == 0 (i.e
initializing the cipher, but not sending data)

2. sendmsg with msg->msg-controllen == 0 and iov != NULL (using the initalized
cipher handle by sending data)

In step 2, the cipher operation type (encryption or decryption) is reset
to always decryption, because the local variable of enc is put into
ctx->enc as ctx->user is still zero.

The same applies when all send data is processed and ctx->used falls to
zero followed by user space to send new data.

This patch changes the behavior to only reset the cipher operation type
(and the IV) if such configuration request is received.

Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2014-12-02 22:55:46 +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: ablk_helper - Replace memcpy with struct assignment 2013-10-07 14:16:57 +08:00
ablkcipher.c crypto: skcipher - Use eseqiv even on UP machines 2013-10-30 09:51:45 +08:00
aead.c crypto: user - fix info leaks in report API 2013-02-19 20:27:03 +08:00
aes_generic.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
af_alg.c crypto: af_alg - properly label AF_ALG socket 2014-07-31 21:54:00 +08:00
ahash.c crypto: hash - initialize entry len for null input in crypto hash sg list walk 2014-08-25 20:27:16 +08:00
algapi.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
algboss.c crypto: algboss - Hold ref count on larval 2013-06-25 19:15:17 +08:00
algif_hash.c crypto: algif - add and use sock_kzfree_s() instead of memzero_explicit() 2014-11-25 22:50:39 +08:00
algif_skcipher.c crypto: algif_skcipher - initialize upon init request 2014-12-02 22:55:46 +08:00
ansi_cprng.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
anubis.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
api.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +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
blowfish_generic.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
camellia_generic.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
cast_common.c crypto: make tables used from assembler __visible 2013-08-14 20:42:03 +10:00
cast5_generic.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
cast6_generic.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
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
cmac.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
compress.c
crc32.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
crc32c_generic.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
crct10dif_common.c crypto: crct10dif - Add fallback for broken initrds 2013-09-12 15:31:34 +10:00
crct10dif_generic.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
cryptd.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
crypto_null.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
crypto_user.c crypto: user - add MODULE_ALIAS 2014-11-26 20:06:29 +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: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
deflate.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
des_generic.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
drbg.c crypto: drbg - use memzero_explicit() for clearing sensitive data 2014-11-27 22:26:18 +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
ghash-generic.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
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 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2014-10-08 06:44:48 -04:00
khazad.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
krng.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +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: sha-mb - multibuffer crypto infrastructure 2014-08-25 20:32:25 +08:00
mcryptd.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +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
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: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
scatterwalk.c crypto: scatterwalk - Add support for calculating number of SG elements 2013-08-21 21:27:58 +10:00
seed.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
seqiv.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
serpent_generic.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
sha1_generic.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
sha256_generic.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
sha512_generic.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
shash.c crypto: LLVMLinux: aligned-attribute.patch 2014-06-07 11:44:39 -07:00
tcrypt.c crypto: Resolve shadow warnings 2014-08-01 22:35:55 +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: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
testmgr.c crypto: testmgr - Remove unnecessary KERN_INFO from testmgr.c 2014-10-24 22:49:36 +08:00
testmgr.h crypto: testmgr - add test for lz4 and lz4hc 2014-08-29 21:46:36 +08:00
tgr192.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
twofish_common.c
twofish_generic.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
vmac.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
wp512.c crypto: prefix module autoloading with "crypto-" 2014-11-24 22:43:57 +08:00
xcbc.c crypto: include crypto- module prefix in template 2014-11-26 20:06:30 +08:00
xor.c
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