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2011-11-01Merge git://github.com/herbertx/cryptoLinus Torvalds
* git://github.com/herbertx/crypto: (48 commits) crypto: user - Depend on NET instead of selecting it crypto: user - Add dependency on NET crypto: talitos - handle descriptor not found in error path crypto: user - Initialise match in crypto_alg_match crypto: testmgr - add twofish tests crypto: testmgr - add blowfish test-vectors crypto: Make hifn_795x build depend on !ARCH_DMA_ADDR_T_64BIT crypto: twofish-x86_64-3way - fix ctr blocksize to 1 crypto: blowfish-x86_64 - fix ctr blocksize to 1 crypto: whirlpool - count rounds from 0 crypto: Add userspace report for compress type algorithms crypto: Add userspace report for cipher type algorithms crypto: Add userspace report for rng type algorithms crypto: Add userspace report for pcompress type algorithms crypto: Add userspace report for nivaead type algorithms crypto: Add userspace report for aead type algorithms crypto: Add userspace report for givcipher type algorithms crypto: Add userspace report for ablkcipher type algorithms crypto: Add userspace report for blkcipher type algorithms crypto: Add userspace report for ahash type algorithms ...
2011-11-01crypto: user - Depend on NET instead of selecting itHerbert Xu
Selecting NET causes all sorts of issues, including a dependency loop involving bluetooth. This patch makes it a dependency instead. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-26crypto: user - Add dependency on NETHerbert Xu
Since the configuration interface relies on netlink we need to select NET. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: user - Initialise match in crypto_alg_matchHerbert Xu
We need to default match to 0 as otherwise it may lead to a false positive. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: testmgr - add twofish testsJussi Kivilinna
Add tests for parallel twofish-x86_64-3way code paths. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: testmgr - add blowfish test-vectorsJussi Kivilinna
Add tests for parallel blowfish-x86_64 code paths. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: whirlpool - count rounds from 0Alexey Dobriyan
rc[0] is unused because rounds are counted from 1. Save an u64! Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: Add userspace report for compress type algorithmsSteffen Klassert
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: Add userspace report for cipher type algorithmsSteffen Klassert
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: Add userspace report for rng type algorithmsSteffen Klassert
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: Add userspace report for pcompress type algorithmsSteffen Klassert
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: Add userspace report for nivaead type algorithmsSteffen Klassert
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: Add userspace report for aead type algorithmsSteffen Klassert
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: Add userspace report for givcipher type algorithmsSteffen Klassert
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: Add userspace report for ablkcipher type algorithmsSteffen Klassert
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: Add userspace report for blkcipher type algorithmsSteffen Klassert
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: Add userspace report for ahash type algorithmsSteffen Klassert
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: Add userspace report for shash type algorithmsSteffen Klassert
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: Add userspace report for larval type algorithmsSteffen Klassert
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: Add a report function pointer to crypto_typeSteffen Klassert
We add a report function pointer to struct crypto_type. This function pointer is used from the crypto userspace configuration API to report crypto algorithms to userspace. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: Add userspace configuration APISteffen Klassert
This patch adds a basic userspace configuration API for the crypto layer. With this it is possible to instantiate, remove and to show crypto algorithms from userspace. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: Export crypto_remove_finalSteffen Klassert
The upcomming crypto usrerspace configuration api needs to remove the spawns on top on an algorithm, so export crypto_remove_final. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: Export crypto_remove_spawnsSteffen Klassert
The upcomming crypto usrerspace configuration api needs to remove the spawns on top on an algorithm, so export crypto_remove_spawns. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: Add a flag to identify crypto instancesSteffen Klassert
The upcomming crypto user configuration api needs to identify crypto instances. This patch adds a flag that is set if the algorithm is an instance that is build from templates. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: twofish - add 3-way parallel x86_64 assembler implementionJussi Kivilinna
Patch adds 3-way parallel x86_64 assembly implementation of twofish as new module. New assembler functions crypt data in three blocks chunks, improving cipher performance on out-of-order CPUs. Patch has been tested with tcrypt and automated filesystem tests. Summary of the tcrypt benchmarks: Twofish 3-way-asm vs twofish asm (128bit 8kb block ECB) encrypt: 1.3x speed decrypt: 1.3x speed Twofish 3-way-asm vs twofish asm (128bit 8kb block CBC) encrypt: 1.07x speed decrypt: 1.4x speed Twofish 3-way-asm vs twofish asm (128bit 8kb block CTR) encrypt: 1.4x speed Twofish 3-way-asm vs AES asm (128bit 8kb block ECB) encrypt: 1.0x speed decrypt: 1.0x speed Twofish 3-way-asm vs AES asm (128bit 8kb block CBC) encrypt: 0.84x speed decrypt: 1.09x speed Twofish 3-way-asm vs AES asm (128bit 8kb block CTR) encrypt: 1.15x speed Full output: http://koti.mbnet.fi/axh/kernel/crypto/tcrypt-speed-twofish-3way-asm-x86_64.txt http://koti.mbnet.fi/axh/kernel/crypto/tcrypt-speed-twofish-asm-x86_64.txt http://koti.mbnet.fi/axh/kernel/crypto/tcrypt-speed-aes-asm-x86_64.txt Tests were run on: vendor_id : AuthenticAMD cpu family : 16 model : 10 model name : AMD Phenom(tm) II X6 1055T Processor Also userspace test were run on: vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Xeon(R) CPU E7330 @ 2.40GHz stepping : 11 Userspace test results: Encryption/decryption of twofish 3-way vs x86_64-asm on AMD Phenom II: encrypt: 1.27x decrypt: 1.25x Encryption/decryption of twofish 3-way vs x86_64-asm on Intel Xeon E7330: encrypt: 1.36x decrypt: 1.36x Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: tcrypt - add ctr(twofish) speed testJussi Kivilinna
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-10-21crypto: ghash - Avoid null pointer dereference if no key is setNick Bowler
The ghash_update function passes a pointer to gf128mul_4k_lle which will be NULL if ghash_setkey is not called or if the most recent call to ghash_setkey failed to allocate memory. This causes an oops. Fix this up by returning an error code in the null case. This is trivially triggered from unprivileged userspace through the AF_ALG interface by simply writing to the socket without setting a key. The ghash_final function has a similar issue, but triggering it requires a memory allocation failure in ghash_setkey _after_ at least one successful call to ghash_update. BUG: unable to handle kernel NULL pointer dereference at 00000670 IP: [<d88c92d4>] gf128mul_4k_lle+0x23/0x60 [gf128mul] *pde = 00000000 Oops: 0000 [#1] PREEMPT SMP Modules linked in: ghash_generic gf128mul algif_hash af_alg nfs lockd nfs_acl sunrpc bridge ipv6 stp llc Pid: 1502, comm: hashatron Tainted: G W 3.1.0-rc9-00085-ge9308cf #32 Bochs Bochs EIP: 0060:[<d88c92d4>] EFLAGS: 00000202 CPU: 0 EIP is at gf128mul_4k_lle+0x23/0x60 [gf128mul] EAX: d69db1f0 EBX: d6b8ddac ECX: 00000004 EDX: 00000000 ESI: 00000670 EDI: d6b8ddac EBP: d6b8ddc8 ESP: d6b8dda4 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Process hashatron (pid: 1502, ti=d6b8c000 task=d6810000 task.ti=d6b8c000) Stack: 00000000 d69db1f0 00000163 00000000 d6b8ddc8 c101a520 d69db1f0 d52aa000 00000ff0 d6b8dde8 d88d310f d6b8a3f8 d52aa000 00001000 d88d502c d6b8ddfc 00001000 d6b8ddf4 c11676ed d69db1e8 d6b8de24 c11679ad d52aa000 00000000 Call Trace: [<c101a520>] ? kmap_atomic_prot+0x37/0xa6 [<d88d310f>] ghash_update+0x85/0xbe [ghash_generic] [<c11676ed>] crypto_shash_update+0x18/0x1b [<c11679ad>] shash_ahash_update+0x22/0x36 [<c11679cc>] shash_async_update+0xb/0xd [<d88ce0ba>] hash_sendpage+0xba/0xf2 [algif_hash] [<c121b24c>] kernel_sendpage+0x39/0x4e [<d88ce000>] ? 0xd88cdfff [<c121b298>] sock_sendpage+0x37/0x3e [<c121b261>] ? kernel_sendpage+0x4e/0x4e [<c10b4dbc>] pipe_to_sendpage+0x56/0x61 [<c10b4e1f>] splice_from_pipe_feed+0x58/0xcd [<c10b4d66>] ? splice_from_pipe_begin+0x10/0x10 [<c10b51f5>] __splice_from_pipe+0x36/0x55 [<c10b4d66>] ? splice_from_pipe_begin+0x10/0x10 [<c10b6383>] splice_from_pipe+0x51/0x64 [<c10b63c2>] ? default_file_splice_write+0x2c/0x2c [<c10b63d5>] generic_splice_sendpage+0x13/0x15 [<c10b4d66>] ? splice_from_pipe_begin+0x10/0x10 [<c10b527f>] do_splice_from+0x5d/0x67 [<c10b6865>] sys_splice+0x2bf/0x363 [<c129373b>] ? sysenter_exit+0xf/0x16 [<c104dc1e>] ? trace_hardirqs_on_caller+0x10e/0x13f [<c129370c>] sysenter_do_call+0x12/0x32 Code: 83 c4 0c 5b 5e 5f c9 c3 55 b9 04 00 00 00 89 e5 57 8d 7d e4 56 53 8d 5d e4 83 ec 18 89 45 e0 89 55 dc 0f b6 70 0f c1 e6 04 01 d6 <f3> a5 be 0f 00 00 00 4e 89 d8 e8 48 ff ff ff 8b 45 e0 89 da 0f EIP: [<d88c92d4>] gf128mul_4k_lle+0x23/0x60 [gf128mul] SS:ESP 0068:d6b8dda4 CR2: 0000000000000670 ---[ end trace 4eaa2a86a8e2da24 ]--- note: hashatron[1502] exited with preempt_count 1 BUG: scheduling while atomic: hashatron/1502/0x10000002 INFO: lockdep is turned off. [...] Signed-off-by: Nick Bowler <nbowler@elliptictech.com> Cc: stable@kernel.org [2.6.37+] Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-09-22crypto: blowfish - add x86_64 assembly implementationJussi Kivilinna
Patch adds x86_64 assembly implementation of blowfish. Two set of assembler functions are provided. First set is regular 'one-block at time' encrypt/decrypt functions. Second is 'four-block at time' functions that gain performance increase on out-of-order CPUs. Performance of 4-way functions should be equal to 1-way functions with in-order CPUs. Summary of the tcrypt benchmarks: Blowfish assembler vs blowfish C (256bit 8kb block ECB) encrypt: 2.2x speed decrypt: 2.3x speed Blowfish assembler vs blowfish C (256bit 8kb block CBC) encrypt: 1.12x speed decrypt: 2.5x speed Blowfish assembler vs blowfish C (256bit 8kb block CTR) encrypt: 2.5x speed Full output: http://koti.mbnet.fi/axh/kernel/crypto/tcrypt-speed-blowfish-asm-x86_64.txt http://koti.mbnet.fi/axh/kernel/crypto/tcrypt-speed-blowfish-c-x86_64.txt Tests were run on: vendor_id : AuthenticAMD cpu family : 16 model : 10 model name : AMD Phenom(tm) II X6 1055T Processor stepping : 0 Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-09-22crypto: tcrypt - add ctr(blowfish) speed testJussi Kivilinna
Add ctr(blowfish) speed test to receive results for blowfish x86_64 assembly patch. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-09-22crypto: blowfish - rename C-version to blowfish_genericJussi Kivilinna
Rename blowfish to blowfish_generic so that assembler versions of blowfish cipher can autoload. Module alias 'blowfish' is added. Also fix checkpatch warnings. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-09-22crypto: blowfish - split generic and common c codeJussi Kivilinna
Patch splits up the blowfish crypto routine into a common part (key setup) which will be used by blowfish crypto modules (x86_64 assembly and generic-c). Also fixes errors/warnings reported by checkpatch. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-08-20crypto: cryptd - Use subsys_initcall to prevent races with aesniHerbert Xu
As cryptd is depeneded on by other algorithms such as aesni-intel, it needs to be registered before them. When everything is built as modules, this occurs naturally. However, for this to work when they are built-in, we need to use subsys_initcall in cryptd. Tested-by: Josh Boyer <jwboyer@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-08-10crypto: sha1 - SSSE3 based SHA1 implementation for x86-64Mathias Krause
This is an assembler implementation of the SHA1 algorithm using the Supplemental SSE3 (SSSE3) instructions or, when available, the Advanced Vector Extensions (AVX). Testing with the tcrypt module shows the raw hash performance is up to 2.3 times faster than the C implementation, using 8k data blocks on a Core 2 Duo T5500. For the smalest data set (16 byte) it is still 25% faster. Since this implementation uses SSE/YMM registers it cannot safely be used in every situation, e.g. while an IRQ interrupts a kernel thread. The implementation falls back to the generic SHA1 variant, if using the SSE/YMM registers is not possible. With this algorithm I was able to increase the throughput of a single IPsec link from 344 Mbit/s to 464 Mbit/s on a Core 2 Quad CPU using the SSSE3 variant -- a speedup of +34.8%. Saving and restoring SSE/YMM state might make the actual throughput fluctuate when there are FPU intensive userland applications running. For example, meassuring the performance using iperf2 directly on the machine under test gives wobbling numbers because iperf2 uses the FPU for each packet to check if the reporting interval has expired (in the above test I got min/max/avg: 402/484/464 MBit/s). Using this algorithm on a IPsec gateway gives much more reasonable and stable numbers, albeit not as high as in the directly connected case. Here is the result from an RFC 2544 test run with a EXFO Packet Blazer FTB-8510: frame size sha1-generic sha1-ssse3 delta 64 byte 37.5 MBit/s 37.5 MBit/s 0.0% 128 byte 56.3 MBit/s 62.5 MBit/s +11.0% 256 byte 87.5 MBit/s 100.0 MBit/s +14.3% 512 byte 131.3 MBit/s 150.0 MBit/s +14.2% 1024 byte 162.5 MBit/s 193.8 MBit/s +19.3% 1280 byte 175.0 MBit/s 212.5 MBit/s +21.4% 1420 byte 175.0 MBit/s 218.7 MBit/s +25.0% 1518 byte 150.0 MBit/s 181.2 MBit/s +20.8% The throughput for the largest frame size is lower than for the previous size because the IP packets need to be fragmented in this case to make there way through the IPsec tunnel. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: Maxim Locktyukhin <maxim.locktyukhin@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-08-10crypto: sha1 - export sha1_update for reuseMathias Krause
Export the update function as crypto_sha1_update() to not have the need to reimplement the same algorithm for each SHA-1 implementation. This way the generic SHA-1 implementation can be used as fallback for other implementations that fail to run under certain circumstances, like the need for an FPU context while executing in IRQ context. Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-08-06crypto: Move md5_transform to lib/md5.cDavid S. Miller
We are going to use this for TCP/IP sequence number and fragment ID generation. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-26atomic: use <linux/atomic.h>Arun Sharma
This allows us to move duplicated code in <asm/atomic.h> (atomic_inc_not_zero() for now) to <linux/atomic.h> Signed-off-by: Arun Sharma <asharma@fb.com> Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Cc: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (43 commits) fs: Merge split strings treewide: fix potentially dangerous trailing ';' in #defined values/expressions uwb: Fix misspelling of neighbourhood in comment net, netfilter: Remove redundant goto in ebt_ulog_packet trivial: don't touch files that are removed in the staging tree lib/vsprintf: replace link to Draft by final RFC number doc: Kconfig: `to be' -> `be' doc: Kconfig: Typo: square -> squared doc: Konfig: Documentation/power/{pm => apm-acpi}.txt drivers/net: static should be at beginning of declaration drivers/media: static should be at beginning of declaration drivers/i2c: static should be at beginning of declaration XTENSA: static should be at beginning of declaration SH: static should be at beginning of declaration MIPS: static should be at beginning of declaration ARM: static should be at beginning of declaration rcu: treewide: Do not use rcu_read_lock_held when calling rcu_dereference_check Update my e-mail address PCIe ASPM: forcedly -> forcibly gma500: push through device driver tree ... Fix up trivial conflicts: - arch/arm/mach-ep93xx/dma-m2p.c (deleted) - drivers/gpio/gpio-ep93xx.c (renamed and context nearby) - drivers/net/r8169.c (just context changes)
2011-07-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (34 commits) crypto: caam - ablkcipher support crypto: caam - faster aead implementation crypto: caam - structure renaming crypto: caam - shorter names crypto: talitos - don't bad_key in ablkcipher setkey crypto: talitos - remove unused giv from ablkcipher methods crypto: talitos - don't set done notification in hot path crypto: talitos - ensure request ordering within a single tfm crypto: gf128mul - fix call to memset() crypto: s390 - support hardware accelerated SHA-224 crypto: algif_hash - Handle initial af_alg_make_sg error correctly crypto: sha1_generic - use SHA1_BLOCK_SIZE hwrng: ppc4xx - add support for ppc4xx TRNG crypto: crypto4xx - Perform read/modify/write on device control register crypto: caam - fix build warning when DEBUG_FS not configured crypto: arc4 - Fixed coding style issues crypto: crc32c - Fixed coding style issue crypto: omap-sham - do not schedule tasklet if there is no active requests crypto: omap-sham - clear device flags when finishing request crypto: omap-sham - irq handler must not clear error code ...
2011-07-11doc: Kconfig: `to be' -> `be'Michael Witten
Also, a comma was inserted to offset a modifier. Signed-off-by: Michael Witten <mfwitten@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2011-07-08crypto: gf128mul - fix call to memset()Mathias Krause
In gf128mul_lle() and gf128mul_bbe() r isn't completely initialized with zero because the size argument passed to memset() is the size of the pointer, not the structure it points to. Luckily there are no in-kernel users of those functions so the ABI change implied by this fix should break no existing code. Based on a patch by the PaX Team. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: PaX Team <pageexec@freemail.hu> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-07-05Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2011-06-30crypto: algif_hash - Handle initial af_alg_make_sg error correctlyHerbert Xu
When the first call to af_alg_make_sg fails, we may return garbage instead of the real error. This patch fixes it by setting the error if "copied" is zero. Based on a patch by Jesper Juhl. Reported-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-06-30crypto: sha1_generic - use SHA1_BLOCK_SIZEMandeep Singh Baines
Modify sha1_update to use SHA1_BLOCK_SIZE. Signed-off-by: Mandeep Singh Baines <msb@chromium.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-06-30crypto: arc4 - Fixed coding style issuesMati Vait
Fixed coding style issues: unnecessary spaces, parentheses on wrong lines. Signed-off-by: Mati Vait <mativait@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-06-30crypto: crc32c - Fixed coding style issueMati Vait
Removed coding style issue: space before tabs. Signed-off-by: Mati Vait <mativait@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-06-30crypto: UML build fixesRichard Weinberger
CRYPTO_GHASH_CLMUL_NI_INTEL and CRYPTO_AES_NI_INTEL cannot be used on UML. Commit 3e02e5cb and 54b6a1b enabled them by accident. Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-06-30crypto: testmgr - add xts-aes-256 self-testJarod Wilson
FIPS compliance requires a known-answer self-test for all approved cipher and mode combinations, for all valid key sizes. Presently, there are only self-tests for xts-aes-128. This adds a 256-bit one, pulled from the same reference document, which should satisfy the requirement. Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2011-06-29net+crypto: Use vmalloc for zlib inflate buffers.David S. Miller
They are 64K and result in order-4 allocations, even with SLUB. Therefore, just like we always have for the deflate buffers, use vmalloc. Reported-by: Martin Jackson <mjackson220.list@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-21net: remove mm.h inclusion from netdevice.hAlexey Dobriyan
Remove linux/mm.h inclusion from netdevice.h -- it's unused (I've checked manually). To prevent mm.h inclusion via other channels also extract "enum dma_data_direction" definition into separate header. This tiny piece is what gluing netdevice.h with mm.h via "netdevice.h => dmaengine.h => dma-mapping.h => scatterlist.h => mm.h". Removal of mm.h from scatterlist.h was tried and was found not feasible on most archs, so the link was cutoff earlier. Hope people are OK with tiny include file. Note, that mm_types.h is still dragged in, but it is a separate story. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (45 commits) crypto: caam - add support for sha512 variants of existing AEAD algorithms crypto: caam - remove unused authkeylen from caam_ctx crypto: caam - fix decryption shared vs. non-shared key setting crypto: caam - platform_bus_type migration crypto: aesni-intel - fix aesni build on i386 crypto: aesni-intel - Merge with fpu.ko crypto: mv_cesa - make count_sgs() null-pointer proof crypto: mv_cesa - copy remaining bytes to SRAM only when needed crypto: mv_cesa - move digest state initialisation to a better place crypto: mv_cesa - fill inner/outer IV fields only in HMAC case crypto: mv_cesa - refactor copy_src_to_buf() crypto: mv_cesa - no need to save digest state after the last chunk crypto: mv_cesa - print a warning when registration of AES algos fail crypto: mv_cesa - drop this call to mv_hash_final from mv_hash_finup crypto: mv_cesa - the descriptor pointer register needs to be set just once crypto: mv_cesa - use ablkcipher_request_cast instead of the manual container_of crypto: caam - fix printk recursion for long error texts crypto: caam - remove unused keylen from session context hwrng: amd - enable AMD hw rnd driver for Maple PPC boards hwrng: amd - manage resource allocation ...
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