| Commit message (Collapse) | Author | Age | Files | Lines |
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Pull crypto fixes from Herbert Xu:
- Fix for CPU hotplug hang in padata.
- Avoid using cpu_active inappropriately in pcrypt and padata.
- Fix for user-space algorithm lookup hang with IV generators.
- Fix for netlink dump of algorithms where stuff went missing due to
incorrect calculation of message size.
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: user - Fix size of netlink dump message
crypto: user - Fix lookup of algorithms with IV generator
crypto: pcrypt - Use the online cpumask as the default
padata: Fix cpu hotplug
padata: Use the online cpumask as the default
padata: Add a reference to the api documentation
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The default netlink message size limit might be exceeded when dumping a
lot of algorithms to userspace. As a result, not all of the instantiated
algorithms dumped to userspace. So calculate an upper bound on the message
size and call netlink_dump_start() with that value.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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We lookup algorithms with crypto_alg_mod_lookup() when instantiating via
crypto_add_alg(). However, algorithms that are wrapped by an IV genearator
(e.g. aead or genicv type algorithms) need special care. The userspace
process hangs until it gets a timeout when we use crypto_alg_mod_lookup()
to lookup these algorithms. So export the lookup functions for these
algorithms and use them in crypto_add_alg().
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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We use the active cpumask to determine the superset of cpus
to use for parallelization. However, the active cpumask is
for internal usage of the scheduler and therefore not the
appropriate cpumask for these purposes. So use the online
cpumask instead.
Reported-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Since lib/crc32.c now provides crc32c, remove the software implementation
here and call the library function instead.
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Bob Pearson <rpearson@systemfabricworks.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull crypto update from Herbert Xu:
"* sha512 bug fixes (already in your tree).
* SHA224/SHA384 AEAD support in caam.
* X86-64 optimised version of Camellia.
* Tegra AES support.
* Bulk algorithm registration interface to make driver registration easier.
* padata race fixes.
* Misc fixes."
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (31 commits)
padata: Fix race on sequence number wrap
padata: Fix race in the serialization path
crypto: camellia - add assembler implementation for x86_64
crypto: camellia - rename camellia.c to camellia_generic.c
crypto: camellia - fix checkpatch warnings
crypto: camellia - rename camellia module to camellia_generic
crypto: tcrypt - add more camellia tests
crypto: testmgr - add more camellia test vectors
crypto: camellia - simplify key setup and CAMELLIA_ROUNDSM macro
crypto: twofish-x86_64/i586 - set alignmask to zero
crypto: blowfish-x86_64 - set alignmask to zero
crypto: serpent-sse2 - combine ablk_*_init functions
crypto: blowfish-x86_64 - use crypto_[un]register_algs
crypto: twofish-x86_64-3way - use crypto_[un]register_algs
crypto: serpent-sse2 - use crypto_[un]register_algs
crypto: serpent-sse2 - remove dead code from serpent_sse2_glue.c::serpent_sse2_init()
crypto: twofish-x86 - Remove dead code from twofish_glue_3way.c::init()
crypto: In crypto_add_alg(), 'exact' wants to be initialized to 0
crypto: caam - fix gcc 4.6 warning
crypto: Add bulk algorithm registration interface
...
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Patch adds x86_64 assembler implementation of Camellia block cipher. Two set of
functions are provided. First set is regular 'one-block at time' encrypt/decrypt
functions. Second is 'two-block at time' functions that gain performance increase
on out-of-order CPUs. Performance of 2-way functions should be equal to 1-way
functions with in-order CPUs.
Patch has been tested with tcrypt and automated filesystem tests.
Tcrypt benchmark results:
AMD Phenom II 1055T (fam:16, model:10):
camellia-asm vs camellia_generic:
128bit key: (lrw:256bit) (xts:256bit)
size ecb-enc ecb-dec cbc-enc cbc-dec ctr-enc ctr-dec lrw-enc lrw-dec xts-enc xts-dec
16B 1.27x 1.22x 1.30x 1.42x 1.30x 1.34x 1.19x 1.05x 1.23x 1.24x
64B 1.74x 1.79x 1.43x 1.87x 1.81x 1.87x 1.48x 1.38x 1.55x 1.62x
256B 1.90x 1.87x 1.43x 1.94x 1.94x 1.95x 1.63x 1.62x 1.67x 1.70x
1024B 1.96x 1.93x 1.43x 1.95x 1.98x 2.01x 1.67x 1.69x 1.74x 1.80x
8192B 1.96x 1.96x 1.39x 1.93x 2.01x 2.03x 1.72x 1.64x 1.71x 1.76x
256bit key: (lrw:384bit) (xts:512bit)
size ecb-enc ecb-dec cbc-enc cbc-dec ctr-enc ctr-dec lrw-enc lrw-dec xts-enc xts-dec
16B 1.23x 1.23x 1.33x 1.39x 1.34x 1.38x 1.04x 1.18x 1.21x 1.29x
64B 1.72x 1.69x 1.42x 1.78x 1.81x 1.89x 1.57x 1.52x 1.56x 1.65x
256B 1.85x 1.88x 1.42x 1.86x 1.93x 1.96x 1.69x 1.65x 1.70x 1.75x
1024B 1.88x 1.86x 1.45x 1.95x 1.96x 1.95x 1.77x 1.71x 1.77x 1.78x
8192B 1.91x 1.86x 1.42x 1.91x 2.03x 1.98x 1.73x 1.71x 1.78x 1.76x
camellia-asm vs aes-asm (8kB block):
128bit 256bit
ecb-enc 1.15x 1.22x
ecb-dec 1.16x 1.16x
cbc-enc 0.85x 0.90x
cbc-dec 1.20x 1.23x
ctr-enc 1.28x 1.30x
ctr-dec 1.27x 1.28x
lrw-enc 1.12x 1.16x
lrw-dec 1.08x 1.10x
xts-enc 1.11x 1.15x
xts-dec 1.14x 1.15x
Intel Core2 T8100 (fam:6, model:23, step:6):
camellia-asm vs camellia_generic:
128bit key: (lrw:256bit) (xts:256bit)
size ecb-enc ecb-dec cbc-enc cbc-dec ctr-enc ctr-dec lrw-enc lrw-dec xts-enc xts-dec
16B 1.10x 1.12x 1.14x 1.16x 1.16x 1.15x 1.02x 1.02x 1.08x 1.08x
64B 1.61x 1.60x 1.17x 1.68x 1.67x 1.66x 1.43x 1.42x 1.44x 1.42x
256B 1.65x 1.73x 1.17x 1.77x 1.81x 1.80x 1.54x 1.53x 1.58x 1.54x
1024B 1.76x 1.74x 1.18x 1.80x 1.85x 1.85x 1.60x 1.59x 1.65x 1.60x
8192B 1.77x 1.75x 1.19x 1.81x 1.85x 1.86x 1.63x 1.61x 1.66x 1.62x
256bit key: (lrw:384bit) (xts:512bit)
size ecb-enc ecb-dec cbc-enc cbc-dec ctr-enc ctr-dec lrw-enc lrw-dec xts-enc xts-dec
16B 1.10x 1.07x 1.13x 1.16x 1.11x 1.16x 1.03x 1.02x 1.08x 1.07x
64B 1.61x 1.62x 1.15x 1.66x 1.63x 1.68x 1.47x 1.46x 1.47x 1.44x
256B 1.71x 1.70x 1.16x 1.75x 1.69x 1.79x 1.58x 1.57x 1.59x 1.55x
1024B 1.78x 1.72x 1.17x 1.75x 1.80x 1.80x 1.63x 1.62x 1.65x 1.62x
8192B 1.76x 1.73x 1.17x 1.78x 1.80x 1.81x 1.64x 1.62x 1.68x 1.64x
camellia-asm vs aes-asm (8kB block):
128bit 256bit
ecb-enc 1.17x 1.21x
ecb-dec 1.17x 1.20x
cbc-enc 0.80x 0.82x
cbc-dec 1.22x 1.24x
ctr-enc 1.25x 1.26x
ctr-dec 1.25x 1.26x
lrw-enc 1.14x 1.18x
lrw-dec 1.13x 1.17x
xts-enc 1.14x 1.18x
xts-dec 1.14x 1.17x
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Fix checkpatch warnings before renaming file.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Rename camellia module to camellia_generic to allow optimized assembler
implementations to autoload with module-alias.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add tests for CTR, LRW and XTS modes.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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New ECB, CBC, CTR, LRW and XTS test vectors for camellia. Larger ECB/CBC test
vectors needed for parallel 2-way camellia implementation.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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camellia_setup_tail() applies 'inverse of the last half of P-function' to
subkeys, which is unneeded if keys are applied directly to yl/yr in
CAMELLIA_ROUNDSM.
Patch speeds up key setup and should speed up CAMELLIA_ROUNDSM as applying
key to yl/yr early has less register dependencies.
Quick tcrypt camellia results:
x86_64, AMD Phenom II, ~5% faster
x86_64, Intel Core 2, ~0.5% faster
i386, Intel Atom N270, ~1% faster
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Merge crypto tree as it has cherry-picked the ror64 patch from cryptodev.
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We declare 'exact' without initializing it and then do:
[...]
if (strlen(p->cru_driver_name))
exact = 1;
if (priority && !exact)
return -EINVAL;
[...]
If the first 'if' is not true, then the second will test an
uninitialized 'exact'.
As far as I can tell, what we want is for 'exact' to be initialized to
0 (zero/false).
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Hardware crypto engines frequently need to register a selection of
different algorithms with the core. Simplify their code slightly,
especially the error handling, by providing functions to register a
number of algorithms in a single call.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use standard ror64() instead of hand-written.
There is no standard ror64, so create it.
The difference is shift value being "unsigned int" instead of uint64_t
(for which there is no reason). gcc starts to emit native ROR instructions
which it doesn't do for some reason currently. This should make the code
faster.
Patch survives in-tree crypto test and ping flood with hmac(sha512) on.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Pull kmap_atomic cleanup from Cong Wang.
It's been in -next for a long time, and it gets rid of the (no longer
used) second argument to k[un]map_atomic().
Fix up a few trivial conflicts in various drivers, and do an "evil
merge" to catch some new uses that have come in since Cong's tree.
* 'kmap_atomic' of git://github.com/congwang/linux: (59 commits)
feature-removal-schedule.txt: schedule the deprecated form of kmap_atomic() for removal
highmem: kill all __kmap_atomic() [swarren@nvidia.com: highmem: Fix ARM build break due to __kmap_atomic rename]
drbd: remove the second argument of k[un]map_atomic()
zcache: remove the second argument of k[un]map_atomic()
gma500: remove the second argument of k[un]map_atomic()
dm: remove the second argument of k[un]map_atomic()
tomoyo: remove the second argument of k[un]map_atomic()
sunrpc: remove the second argument of k[un]map_atomic()
rds: remove the second argument of k[un]map_atomic()
net: remove the second argument of k[un]map_atomic()
mm: remove the second argument of k[un]map_atomic()
lib: remove the second argument of k[un]map_atomic()
power: remove the second argument of k[un]map_atomic()
kdb: remove the second argument of k[un]map_atomic()
udf: remove the second argument of k[un]map_atomic()
ubifs: remove the second argument of k[un]map_atomic()
squashfs: remove the second argument of k[un]map_atomic()
reiserfs: remove the second argument of k[un]map_atomic()
ocfs2: remove the second argument of k[un]map_atomic()
ntfs: remove the second argument of k[un]map_atomic()
...
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Signed-off-by: Cong Wang <amwang@redhat.com>
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Davem considers that the argument list of this interface is getting
out of control. This patch tries to address this issue following
his proposal:
struct netlink_dump_control c = { .dump = dump, .done = done, ... };
netlink_dump_start(..., &c);
Suggested by David S. Miller.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: sha512 - use standard ror64()
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Use standard ror64() instead of hand-written.
There is no standard ror64, so create it.
The difference is shift value being "unsigned int" instead of uint64_t
(for which there is no reason). gcc starts to emit native ROR instructions
which it doesn't do for some reason currently. This should make the code
faster.
Patch survives in-tree crypto test and ping flood with hmac(sha512) on.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This updates the sha512 fix so that it doesn't cause excessive stack
usage on i386. This is done by reverting to the original code, and
avoiding the W duplication by moving its initialisation into the loop.
As the underlying code is in fact the one that we have used for years,
I'm pushing this now instead of postponing to the next cycle.
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: sha512 - Avoid stack bloat on i386
crypto: sha512 - Use binary and instead of modulus
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Unfortunately in reducing W from 80 to 16 we ended up unrolling
the loop twice. As gcc has issues dealing with 64-bit ops on
i386 this means that we end up using even more stack space (>1K).
This patch solves the W reduction by moving LOAD_OP/BLEND_OP
into the loop itself, thus avoiding the need to duplicate it.
While the stack space still isn't great (>0.5K) it is at least
in the same ball park as the amount of stack used for our C sha1
implementation.
Note that this patch basically reverts to the original code so
the diff looks bigger than it really is.
Cc: stable@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The previous patch used the modulus operator over a power of 2
unnecessarily which may produce suboptimal binary code. This
patch changes changes them to binary ands instead.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: sha512 - reduce stack usage to safe number
crypto: sha512 - make it work, undo percpu message schedule
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For rounds 16--79, W[i] only depends on W[i - 2], W[i - 7], W[i - 15] and W[i - 16].
Consequently, keeping all W[80] array on stack is unnecessary,
only 16 values are really needed.
Using W[16] instead of W[80] greatly reduces stack usage
(~750 bytes to ~340 bytes on x86_64).
Line by line explanation:
* BLEND_OP
array is "circular" now, all indexes have to be modulo 16.
Round number is positive, so remainder operation should be
without surprises.
* initial full message scheduling is trimmed to first 16 values which
come from data block, the rest is calculated before it's needed.
* original loop body is unrolled version of new SHA512_0_15 and
SHA512_16_79 macros, unrolling was done to not do explicit variable
renaming. Otherwise it's the very same code after preprocessing.
See sha1_transform() code which does the same trick.
Patch survives in-tree crypto test and original bugreport test
(ping flood with hmac(sha512).
See FIPS 180-2 for SHA-512 definition
http://csrc.nist.gov/publications/fips/fips180-2/fips180-2withchangenotice.pdf
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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commit f9e2bca6c22d75a289a349f869701214d63b5060
aka "crypto: sha512 - Move message schedule W[80] to static percpu area"
created global message schedule area.
If sha512_update will ever be entered twice, hash will be silently
calculated incorrectly.
Probably the easiest way to notice incorrect hashes being calculated is
to run 2 ping floods over AH with hmac(sha512):
#!/usr/sbin/setkey -f
flush;
spdflush;
add IP1 IP2 ah 25 -A hmac-sha512 0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000025;
add IP2 IP1 ah 52 -A hmac-sha512 0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000052;
spdadd IP1 IP2 any -P out ipsec ah/transport//require;
spdadd IP2 IP1 any -P in ipsec ah/transport//require;
XfrmInStateProtoError will start ticking with -EBADMSG being returned
from ah_input(). This never happens with, say, hmac(sha1).
With patch applied (on BOTH sides), XfrmInStateProtoError does not tick
with multiple bidirectional ping flood streams like it doesn't tick
with SHA-1.
After this patch sha512_transform() will start using ~750 bytes of stack on x86_64.
This is OK for simple loads, for something more heavy, stack reduction will be done
separatedly.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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* 'for-linus' of git://selinuxproject.org/~jmorris/linux-security:
capabilities: remove __cap_full_set definition
security: remove the security_netlink_recv hook as it is equivalent to capable()
ptrace: do not audit capability check when outputing /proc/pid/stat
capabilities: remove task_ns_* functions
capabitlies: ns_capable can use the cap helpers rather than lsm call
capabilities: style only - move capable below ns_capable
capabilites: introduce new has_ns_capabilities_noaudit
capabilities: call has_ns_capability from has_capability
capabilities: remove all _real_ interfaces
capabilities: introduce security_capable_noaudit
capabilities: reverse arguments to security_capable
capabilities: remove the task from capable LSM hook entirely
selinux: sparse fix: fix several warnings in the security server cod
selinux: sparse fix: fix warnings in netlink code
selinux: sparse fix: eliminate warnings for selinuxfs
selinux: sparse fix: declare selinux_disable() in security.h
selinux: sparse fix: move selinux_complete_init
selinux: sparse fix: make selinux_secmark_refcount static
SELinux: Fix RCU deref check warning in sel_netport_insert()
Manually fix up a semantic mis-merge wrt security_netlink_recv():
- the interface was removed in commit fd7784615248 ("security: remove
the security_netlink_recv hook as it is equivalent to capable()")
- a new user of it appeared in commit a38f7907b926 ("crypto: Add
userspace configuration API")
causing no automatic merge conflict, but Eric Paris pointed out the
issue.
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* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (54 commits)
crypto: gf128mul - remove leftover "(EXPERIMENTAL)" in Kconfig
crypto: serpent-sse2 - remove unneeded LRW/XTS #ifdefs
crypto: serpent-sse2 - select LRW and XTS
crypto: twofish-x86_64-3way - remove unneeded LRW/XTS #ifdefs
crypto: twofish-x86_64-3way - select LRW and XTS
crypto: xts - remove dependency on EXPERIMENTAL
crypto: lrw - remove dependency on EXPERIMENTAL
crypto: picoxcell - fix boolean and / or confusion
crypto: caam - remove DECO access initialization code
crypto: caam - fix polarity of "propagate error" logic
crypto: caam - more desc.h cleanups
crypto: caam - desc.h - convert spaces to tabs
crypto: talitos - convert talitos_error to struct device
crypto: talitos - remove NO_IRQ references
crypto: talitos - fix bad kfree
crypto: convert drivers/crypto/* to use module_platform_driver()
char: hw_random: convert drivers/char/hw_random/* to use module_platform_driver()
crypto: serpent-sse2 - should select CRYPTO_CRYPTD
crypto: serpent - rename serpent.c to serpent_generic.c
crypto: serpent - cleanup checkpatch errors and warnings
...
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CRYPTO_GF128MUL does not select EXPERIMENTAL anymore so remove the
"(EXPERIMENTAL)" from its name.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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serpent-sse2 uses functions from LRW and XTS modules, so selecting would appear
to be better option than using #ifdefs in serpent_sse2_glue.c to enable/disable
LRW and XTS features.
This also fixes build problem when serpent-sse2 would be build into kernel but
XTS/LRW are build as modules.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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twofish-x86_64-3way uses functions from LRW and XTS modules, so selecting would
appear to be better option than using #ifdefs in twofish_glue_3way.c to
enable/disable LRW and XTS features.
This also fixes build problem when twofish-x86_64-3way would be build into
kernel but XTS/LRW are build as modules.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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XTS has been EXPERIMENTAL since it was introduced in 2007. I'd say by now
it has seen enough testing to justify removal of EXPERIMENTAL tag.
CC: Rik Snel <rsnel@cube.dyndns.org>
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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LRW has been EXPERIMENTAL since it was introduced in 2006. I'd say by now
it has seen enough testing to justify removal of EXPERIMENTAL tag.
CC: Rik Snel <rsnel@cube.dyndns.org>
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Since serpent_sse2_glue.c uses cryptd, CRYPTO_SERPENT_SSE2_X86_64 and
CRYPTO_SERPENT_SSE2_586 should be selecting CRYPTO_CRYPTD.
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Now that serpent.c has been cleaned from checkpatch warnings,
we can do clean rename.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Do checkpatch fixes before rename to keep rename patch simple and clean.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Patch adds LRW support for serpent-sse2 by using lrw_crypt(). Patch has been
tested with tcrypt and automated filesystem tests.
Tcrypt benchmarks results (serpent-sse2/serpent_generic speed ratios):
Benchmark results with tcrypt:
Intel Celeron T1600 (x86_64) (fam:6, model:15, step:13):
size lrw-enc lrw-dec
16B 1.00x 0.96x
64B 1.01x 1.01x
256B 3.01x 2.97x
1024B 3.39x 3.33x
8192B 3.35x 3.33x
AMD Phenom II 1055T (x86_64) (fam:16, model:10):
size lrw-enc lrw-dec
16B 0.98x 1.03x
64B 1.01x 1.04x
256B 2.10x 2.14x
1024B 2.28x 2.33x
8192B 2.30x 2.33x
Intel Atom N270 (i586):
size lrw-enc lrw-dec
16B 0.97x 0.97x
64B 1.47x 1.50x
256B 1.72x 1.69x
1024B 1.88x 1.81x
8192B 1.84x 1.79x
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Patch adds i586/SSE2 assembler implementation of serpent cipher. Assembler
functions crypt data in four block chunks.
Patch has been tested with tcrypt and automated filesystem tests.
Tcrypt benchmarks results (serpent-sse2/serpent_generic speed ratios):
Intel Atom N270:
size ecb-enc ecb-dec cbc-enc cbc-dec ctr-enc ctr-dec
16 0.95x 1.12x 1.02x 1.07x 0.97x 0.98x
64 1.73x 1.82x 1.08x 1.82x 1.72x 1.73x
256 2.08x 2.00x 1.04x 2.07x 1.99x 2.01x
1024 2.28x 2.18x 1.05x 2.23x 2.17x 2.20x
8192 2.28x 2.13x 1.05x 2.23x 2.18x 2.20x
Full output:
http://koti.mbnet.fi/axh/kernel/crypto/atom-n270/serpent-generic.txt
http://koti.mbnet.fi/axh/kernel/crypto/atom-n270/serpent-sse2.txt
Userspace test results:
Encryption/decryption of sse2-i586 vs generic on Intel Atom N270:
encrypt: 2.35x
decrypt: 2.54x
Encryption/decryption of sse2-i586 vs generic on AMD Phenom II:
encrypt: 1.82x
decrypt: 2.51x
Encryption/decryption of sse2-i586 vs generic on Intel Xeon E7330:
encrypt: 2.99x
decrypt: 3.48x
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Patch adds x86_64/SSE2 assembler implementation of serpent cipher. Assembler
functions crypt data in eigth block chunks (two 4 block chunk SSE2 operations
in parallel to improve performance on out-of-order CPUs). Glue code is based
on one from AES-NI implementation, so requests from irq context are redirected
to cryptd.
v2:
- add missing include of linux/module.h
(appearently crypto.h used to include module.h, which changed for 3.2 by
commit 7c926402a7e8c9b279968fd94efec8700ba3859e)
Patch has been tested with tcrypt and automated filesystem tests.
Tcrypt benchmarks results (serpent-sse2/serpent_generic speed ratios):
AMD Phenom II 1055T (fam:16, model:10):
size ecb-enc ecb-dec cbc-enc cbc-dec ctr-enc ctr-dec
16B 1.03x 1.01x 1.03x 1.05x 1.00x 0.99x
64B 1.00x 1.01x 1.02x 1.04x 1.02x 1.01x
256B 2.34x 2.41x 0.99x 2.43x 2.39x 2.40x
1024B 2.51x 2.57x 1.00x 2.59x 2.56x 2.56x
8192B 2.50x 2.54x 1.00x 2.55x 2.57x 2.57x
Intel Celeron T1600 (fam:6, model:15, step:13):
size ecb-enc ecb-dec cbc-enc cbc-dec ctr-enc ctr-dec
16B 0.97x 0.97x 1.01x 1.01x 1.01x 1.02x
64B 1.00x 1.00x 1.00x 1.02x 1.01x 1.01x
256B 3.41x 3.35x 1.00x 3.39x 3.42x 3.44x
1024B 3.75x 3.72x 0.99x 3.74x 3.75x 3.75x
8192B 3.70x 3.68x 0.99x 3.68x 3.69x 3.69x
Full output:
http://koti.mbnet.fi/axh/kernel/crypto/phenom-ii-1055t/serpent-generic.txt
http://koti.mbnet.fi/axh/kernel/crypto/phenom-ii-1055t/serpent-sse2.txt
http://koti.mbnet.fi/axh/kernel/crypto/celeron-t1600/serpent-generic.txt
http://koti.mbnet.fi/axh/kernel/crypto/celeron-t1600/serpent-sse2.txt
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Fix a typo in the Kconfig file help text.
Signed-off-by: Valdis Kletnieks <valdis.kletnieks@vt.edu>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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We leak the crypto instance when we unregister an instance with
crypto_del_alg(). Therefore we introduce crypto_unregister_instance()
to unlink the crypto instance from the template's instances list and
to free the recources of the instance properly.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Apparently, NIST is tightening up its requirements for FIPS validation
with respect to RNGs. Its always been required that in fips mode, the
ansi cprng not be fed key and seed material that was identical, but
they're now interpreting FIPS 140-2, section AS07.09 as requiring that
the implementation itself must enforce the requirement. Easy fix, we
just do a memcmp of key and seed in fips_cprng_reset and call it a day.
v2: Per Neil's advice, ensure slen is sufficiently long before we
compare key and seed to avoid looking at potentially unallocated mem.
CC: Stephan Mueller <smueller@atsec.com>
CC: Steve Grubb <sgrubb@redhat.com>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add test vectors for xts(twofish). These are generated from xts(twofish) test vectors.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add test vectors for xts(serpent). These are generated from xts(aes) test vectors.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add xts_crypt() function that can be used by cipher implementations that can
benefit from parallelized cipher operations.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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XTS has fixed blocksize of 16. Define XTS_BLOCK_SIZE and use in place of
crypto_cipher_blocksize().
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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