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Herbert Xu 8ff590903d crypto: algif_skcipher - User-space interface for skcipher operations 
This patch adds the af_alg plugin for symmetric key ciphers,
corresponding to the ablkcipher kernel operation type.

Keys can optionally be set through the setsockopt interface.

Once a sendmsg call occurs without MSG_MORE no further writes
may be made to the socket until all previous data has been read.

IVs and and whether encryption/decryption is performed can be
set through the setsockopt interface or as a control message
to sendmsg.

The interface is completely synchronous, all operations are
carried out in recvmsg(2) and will complete prior to the system
call returning.

The splice(2) interface support reading the user-space data directly
without copying (except that the Crypto API itself may copy the data
if alignment is off).

The recvmsg(2) interface supports directly writing to user-space
without additional copying, i.e., the kernel crypto interface will
receive the user-space address as its output SG list.

Thakns to Miloslav Trmac for reviewing this and contributing
fixes and improvements.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: David S. Miller <davem@davemloft.net>
 		2010-11-26 20:53:59 +08:00
..
async_tx Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx 2010-10-27 19:04:36 -07:00
Kconfig crypto: algif_skcipher - User-space interface for skcipher operations 2010-11-26 20:53:59 +08:00
Makefile crypto: algif_skcipher - User-space interface for skcipher operations 2010-11-26 20:53:59 +08:00
ablkcipher.c crypto: skcipher - avoid NULL dereference 2010-06-23 20:01:45 +10:00
aead.c crypto: aead - Fix checkpatch errors 2010-02-16 20:24:07 +08:00
aes_generic.c crypto: aes_generic - Fix checkpatch errors 2010-02-16 20:34:59 +08:00
af_alg.c crypto: af_alg - User-space interface for Crypto API 2010-11-19 17:47:57 +08:00
ahash.c crypto: hash - Fix handling of small unaligned buffers 2010-08-06 09:26:38 +08:00
algapi.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 2010-05-03 11:28:58 +08:00
algboss.c crypto: testmgr - Fix test disabling option 2010-08-06 09:40:28 +08:00
algif_hash.c crypto: algif_hash - User-space interface for hash operations 2010-11-19 17:47:58 +08:00
algif_skcipher.c crypto: algif_skcipher - User-space interface for skcipher operations 2010-11-26 20:53:59 +08:00
ansi_cprng.c crypto: ansi_cprng - Move FIPS functions under CONFIG_CRYPTO_FIPS 2009-11-23 20:25:50 +08:00
anubis.c crypto: anubis - Fix checkpatch errors 2010-02-16 20:25:39 +08:00
api.c crypto: api - Fix checkpatch errors 2010-02-16 20:26:46 +08:00
arc4.c [CRYPTO] api: Get rid of flags argument to setkey 2006-09-21 11:41:02 +10:00
authenc.c crypto: Use ERR_CAST 2010-05-26 10:36:51 +10:00
blkcipher.c mm: strictly nested kmap_atomic() 2010-10-26 16:52:08 -07:00
blowfish.c crypto: blowfish - Fix checkpatch errors 2010-02-16 20:24:30 +08:00
camellia.c crypto: camellia - Fix checkpatch errors 2010-02-16 20:27:57 +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 Convert ERR_PTR(PTR_ERR(p)) instances to ERR_CAST(p) 2008-02-07 08:42:26 -08:00
ccm.c crypto: ccm - Fix handling of null assoc data 2009-01-27 17:11:15 +11:00
chainiv.c crypto: chainiv - Use kcrypto_wq instead of keventd_wq 2009-02-19 14:44:02 +08:00
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: crc32 - Fix checkpatch errors 2010-02-16 20:31:19 +08:00
cryptd.c crypto: cryptd - Adding the AEAD interface type support to cryptd 2010-09-20 16:05:12 +08:00
crypto_null.c crypto: crypto_null - Fix checkpatch errors 2010-02-16 20:31:54 +08:00
crypto_wq.c crypto: api - Use dedicated workqueue for crypto subsystem 2009-02-19 14:33:40 +08:00
ctr.c crypto: Use ERR_CAST 2010-05-26 10:36:51 +10:00
cts.c [CRYPTO] cts: Init SG tables 2008-06-02 15:46:51 +10:00
deflate.c crypto: deflate - Fix checkpatch errors 2010-02-16 20:32:13 +08:00
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: eseqiv - Fix IV generation for sync algorithms 2009-04-15 20:45:03 +08:00
fcrypt.c crypto: fcrypt - Fix checkpatch errors 2010-02-16 20:34:07 +08:00
fips.c crypto: api - Add fips_enable flag 2008-08-29 15:50:02 +10:00
gcm.c crypto: gcm - Add RFC4543 wrapper for GCM 2010-01-17 21:52:11 +11:00
gf128mul.c crypto: Fix dead links 2009-03-04 14:43:52 +08:00
ghash-generic.c crypto: ghash - Add GHASH digest algorithm for GCM 2009-08-06 15:32:38 +10:00
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: internal - Fix checkpatch errors 2010-03-10 18:24:46 +08:00
khazad.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
krng.c crypto: rng - RNG interface and implementation 2008-08-29 15:50:04 +10:00
lrw.c crypto: lrw - Fix big endian support 2009-02-17 20:00:11 +08:00
lzo.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
md4.c crypto: md4 - Switch to shash 2008-12-25 11:02:16 +11:00
md5.c crypto: md5 - Set statesize 2010-03-02 21:58:16 +08:00
michael_mic.c crypto: michael_mic - Switch to shash 2008-12-25 11:02:24 +11:00
pcbc.c Convert ERR_PTR(PTR_ERR(p)) instances to ERR_CAST(p) 2008-02-07 08:42:26 -08:00
pcompress.c crypto: api - Remove frontend argument from extsize/init_tfm 2009-07-14 12:58:15 +08:00
pcrypt.c crypto: pcrypt - Update pcrypt cpumask according to the padata cpumask notifier 2010-07-31 19:53:06 +08:00
proc.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2009-12-08 15:55:13 -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: rmd128 - Switch to shash 2008-12-25 11:02:09 +11:00
rmd160.c crypto: rmd160 - Switch to shash 2008-12-25 11:02:10 +11:00
rmd256.c crypto: rmd256 - Switch to shash 2008-12-25 11:02:12 +11:00
rmd320.c crypto: rmd320 - Switch to shash 2008-12-25 11:02:13 +11:00
rng.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
salsa20_generic.c crypto: salsa20 - Remove private wrappers around various operations 2008-12-25 11:02:30 +11:00
scatterwalk.c crypto: scatterwalk - Fix scatterwalk_done() test 2010-05-19 14:06:29 +10:00
seed.c [CRYPTO] seed: New cipher algorithm 2007-10-10 16:55:38 -07:00
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.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
sha1_generic.c crypto: sha1_generic - Add export/import support 2009-07-11 18:23:33 +08:00
sha256_generic.c crypto: sha256_generic - Add export/import support 2009-07-11 18:23:34 +08:00
sha512_generic.c crypto: sha512_generic - Use 64-bit counters 2009-07-22 14:38:13 +08:00
shash.c crypto: hash - Fix async import on shash algorithm 2010-11-04 14:48:37 -04:00
tcrypt.c crypto: rfc4106 - Extending the RC4106 AES-GCM test vectors 2010-11-13 21:47:56 +09:00
tcrypt.h crypto: tcrypt - Speed testing support for ghash 2010-03-10 18:30:32 +08:00
tea.c [CRYPTO] all: Clean up init()/fini() 2008-04-21 10:19:34 +08:00
testmgr.c crypto: rfc4106 - Extending the RC4106 AES-GCM test vectors 2010-11-13 21:47:56 +09:00
testmgr.h crypto: rfc4106 - Extending the RC4106 AES-GCM test vectors 2010-11-13 21:47:56 +09:00
tgr192.c crypto: tgr192 - Switch to shash 2008-12-25 11:02:21 +11:00
twofish_common.c [CRYPTO] twofish: Do not unroll big stuff in twofish key setup 2008-01-11 08:16:06 +11:00
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: vmac - Fix big-endian support 2010-03-18 20:22:55 +08:00
wp512.c crypto: wp512 - Switch to shash 2008-12-25 11:02:22 +11:00
xcbc.c crypto: xcbc - Fix alignment calculation of xcbc_tfm_ctx 2009-08-20 17:58:04 +10:00
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: Use ERR_CAST 2010-05-26 10:36:51 +10:00
zlib.c crypto: compress - Return produced bytes in crypto_{,de}compress_{update,final} 2009-06-02 14:04:56 +10:00